The essentials

Overall, this property presents no notable defects, but it is located in an area with a health or regulatory aspect that should be noted.

ATTENTION: REGULATIONS AND HEALTH

One of the 17 checks remains unconfirmed, the zona de flujo preferente. The official service that publishes it has been down since 17 July 2026, it has already been reported to the ministry and it is retried on every report. Each one explains this in its own module, and as soon as the service is back we will send you the report with that part resolved, at no cost.

None of this replaces a viewing or an in-person survey. The methodology, source and limitations of each point are set out below, and at the end there is a list of items to check → with what to ask for, request or review.

The report at a glance

01	Ground movement	✓ STABLE	0.1 mm/year relative to its surroundings · 203 points
02	Cadastral record	✓	development of 54 properties · 54 dwellings
03	History of the land	✓	4 aerial survey periods · 1956 → today
04	Official flood risk	✓ OUTSIDE	outside flood zone · nearest 500-year flood zone more than 2 km away · preferential flow area unconfirmed
05	Sun hours per façade	✓	best-oriented façade west · 1.7 hours of direct sunlight in mid-winter
06	Energy efficiency	NO CERTIFICATE	no registered certificate for the property · 19 currently valid in the building
07	Price and market	✓	local housing market · no valuation for this specific property
08	Radon gas	✓ OUTSIDE ACTION ZONE	medium potential at this point (101-200 Bq/m³)
09	Seismicity	⚠ VERY HIGH SEISMIC HAZARD	basic seismic acceleration 0.15 g (NCSE-02 standard)
10	Surroundings and proximity	✓	N-332 at 2.2 km · airport 27.5 km
11	Land constraints	✓	watercourse at 1.5 km · coast at 2.8 km · high-voltage line at 407 m
12	Land classification	✓	Land designated for development · New residential development area
13	Local climate	✓	18.4 °C average · 266 mm/year · 54 days ≥30°
14	Forest fires	WOODLAND IN THE SURROUNDINGS	48 fires in 2006-2015 · 4.8/year · woodland at 493 m
15	Public safety	IN LINE WITH THE AVERAGE	43.6/1,000 inhabitants · in line with the national average (provincial)
16	Industrial facilities	✓	none within <5 km · nearest at 6.1 km
17	Roof solar potential	✓	~4,917-8,195 kWh per year with a typical installation

Each check is set out below with its method, its official source and its limits.

Sentinel-1 satellite · EGMS Copernicus · average velocity for the 2020-2024 period · 203 points in 50 m · estimated vertical velocity

What exactly is measured

The plot is at the centre of the image. Each point is a stable reflector (roof, cornice, pavement) measured by the satellite every 6 to 12 days. The colour indicates its movement relative to the surrounding neighbourhood (the magnitude of the verdict).

PNOA orthophoto © National Geographic Institute of Spain

The verdict and speed shown are already final (median of the 203 points in the surrounding area). The point-by-point monthly time series for this area is being incorporated. The report will include it as soon as it is available.

What it means

• The measurement points on the building move practically the same as their surroundings (a difference of 0.1 mm/year, within the ±2 mm/year threshold). What matters for a structure is differential movement: a building that moves together with the surrounding ground does not suffer the uneven settlement that cracks structures.
• In figures: the points on the building move at -0.7 mm/year (absolute vertical) and their 300 m surroundings at -0.8 mm/year. The difference (which would indicate settlement specific to the building rather than the area as a whole) is 0.1 mm/year.
• The satellite measures along its line of sight (it looks diagonally). The figure shown is the estimated vertical subsidence derived from that measurement (assuming vertical movement). Typical precision: on the order of ±1 mm/year per point (Sentinel-1 interferometric radar, per EGMS technical documentation).

In context (mm/year)

The first bars are the figures above. The last one is the stability threshold of the traffic-light system (−2 mm/year difference with the surrounding area), which is what determines the verdict, in order to gauge the magnitude.

Ground and geology

According to the Mapa Geológico Continuo de España (GEODE) of the IGME, at 1:50,000 scale, the ground at this point is mapped as Undifferentiated colluvial and alluvial deposits (Holocene).

The IGME expansive clay map classifies the area as non-clay substrate (1:1,000,000 scale).

This is regional geological mapping, for guidance only. It does not replace a geotechnical survey of the plot, which is the only thing that describes the ground beneath a specific building, with boreholes and tests.

Data source: CN Instituto Geológico y Minero de España (IGME).

02 / 17The property according to the cadastre

Data recorded in the Sede Electrónica del Catastro (Cadastre's Electronic Office) for this reference. This is publicly accessible administrative data. It does not include ownership details.

The cadastral reference 3548901YH0134N groups together 54 properties: 54 dwellings. For the physical details of a specific property (surface area, year, floor and door) its 20-digitreference is required. The checks in this report (ground movement, flood risk, radon, surrounding area, etc.) are for the point and apply to the whole property.

Source: Cadastre Electronic Office · Consulta_DNPRC (non-protected data).

03 / 17History of the land: 1956 → today

The same frame (150 m radius, the plot at the centre of each image) photographed from the air across 70 years. Source: IGN photo library.

• The oldest available aerial photograph of the plot is from 1956.
• The photographs allow comparison of the plot and its surroundings in each period. Any assessment of previous land use or nearby constructions should be made based on the images themselves.
• This is a visual analysis of historical orthophotography: it shows what can be seen from the air on each date, but it does not certify the absence of soil contamination nor does it replace a geotechnical or environmental survey.

Images: Fototeca Digital © National Geographic Institute of Spain (American flight series B, SIGPAC, PNOA).

04 / 17Official flood-risk mapping (SNCZI · MITECO)

✓ Outside flood zones  According to the current official cartography, we have cross-referenced the entire geometry of the plot (72 points along the boundary and interior) and remains outside all mapped flood zones, including the exceptional 500-year flood. The nearest T500 water extent passes more than 2 km away.

• ✓ Frequent fluvial (T=10 years): outside
• ✓ Medium fluvial (T=100 years): outside
• ✓ Exceptional fluvial (T=500 years): outside

We have not been able to consult the zona de flujo preferente (preferential flow zone), the areas next to watercourses where the Regulation of the Public Hydraulic Domain restricts works and uses. The official service was not responding when the report was generated, so this point remains unconfirmed. Flood-prone areas have indeed been checked. This can be requested from the Confederación Hidrográfica (River Basin Authority) of the basin, which is the body that produces this cartography.

2 km surroundings: in blue, the low-probability flood zone (T=500 years) according to official mapping. The plot, at the centre.

Mapping: National Flood Zone Mapping System (SNCZI) © MITECO · PNOA orthophoto © IGN

Impact assessed on 72 points of the perimeter and the interior of the parcel (cadastre geometry), not just its centre: the result is that of the most exposed point. SNCZI cartography reflects official fluvial and marine flood studies as of their publication date. It does not cover all minor watercourses nor pluvial flooding (heavy rain and urban runoff).

05 / 17Sun hours per façade

☀ Limited winter sun: the best-facing façade (west) receives 1.7 h

Potential direct sun on each façade, calculated over the building's actual outline (cadastral footprints and heights) and the sun's path at this latitude. Colour according to winter sun: ≥3 h · <3 h · no sun.

WHAT TIME THE SUN COMES IN · WEST FAÇADE

THE HIGHER UP, THE MORE SUN · WEST, 21 DEC

SUN THROUGHOUT THE YEAR · WEST (average hours of sunlight per day)

In total, this façade receives about 1,407 h of direct sunlight per year, according to the model.

• The building does not have the same height throughout its perimeter (1,515.3 m at 2 storeys and 517.7 m at 1 storey). Each section is calculated at its corresponding height, and the 2-storey part accounts for 75% of the façade.
• The hours above are those of the longest section of each orientation. Where an orientation has several walls, the range between the one that receives least and the one that receives most is given.
• It is a geometric calculation of the potential direct sunlight on the actual outline of the building according to the cadastre, section by section and each one at its corresponding height. It includes the shadow cast by neighbouring buildings and the terrain relief up to 15 km, but not vegetation, awnings or the recesses of each window, and assumes 3 m per storey. The actual hours for each property depend on its exact position within the building.

Envelope, footprints, and building heights: Dirección General del Catastro (INSPIRE). Relief: MDT © Instituto Geográfico Nacional. Solar geometry: proprietary calculation (NOAA algorithm). Results are indicative.

06 / 17Energy efficiency (registered certificates)

No certificate on record  No certificate is on record for this property in the register consulted (certificates from the register of the Comunitat Valenciana). This says nothing about its actual efficiency: it simply has not been certified, or it was certified before the register's coverage.

• This building has 20 certificates (19 valid). Emissions ratings of the valid ones: E ×17  F ×2, the most common being E. Each certificate reflects a specific property (orientation, floor, renovations), but the building's envelope is shared: it is a good indicator for the property.
• Data as recorded in the regional register as of 09/09/2026. The certificate is issued by a technician with the data available at that time and may not reflect subsequent renovations. The rating is standardised and actual consumption depends on the use given to the property.

Source: Registre de Certificats d'Eficiència Energètica d'Edificis de la Comunitat Valenciana (ICV · Generalitat Valenciana).

07 / 17Reference price for the area

Average appraisal value of unrestricted-market housing in the province of Alicante (Q1 2026). Guardamar del Segura does not publish municipal statistics (only municipalities with more than 25,000 inhabitants have them), so this reference is provincial: it establishes the order of magnitude, but the price in your specific area may deviate considerably.

Average price trend (Q2 2020 → Q1 2026)

• This reference groups together several properties and the report does not detail a specific property: for a valuation, please provide your 20-digit. The area price serves only as context.
• It is an appraisal value (the figure valuation companies assign for mortgage purposes), not an asking price from listing portals nor a closing price. It usually comes in below advertised prices.
• Market: between Q2 2025 and Q1 2026 a total of 1,421 home sales transactions in Guardamar del Segura (this figure is municipal). The market is more active than its recent average (+20% compared to the average of the last five full years, 1,187 per year).
• Rental (SERPAVI 2024): the median in Guardamar del Segura was €6.85/m²·month for collective housing (flats) (typical range 5.33–8.37). We do not calculate the gross rental yield: the rental figure is for Guardamar del Segura but the sale price published by the statistic is provincial, and crossing two different scopes would give a percentage that describes neither the municipality nor the province.

Source: MIVAU, average assessed value of unrestricted housing (provincial series). Quarterly statistics; provincial series (Guardamar del Segura, having 25,000 inhabitants or fewer, does not publish a municipal figure). Sales: MIVAU, Number of residential property transactions by municipality. Rent: MIVAU, State System of Housing Rental Indices (SERPAVI, based on tax source data).

Do you want to compare it with the deed price (the actual closing price before a notary, which usually ends up below the appraised value)? The Statistical Portal of the Notariado publishes the average price per m² for sales over the last 12 months. Search for Guardamar del Segura to compare it against this reference.

Purchase expenses and taxes

According to the cadastre this property is not classified as housing, and for a non-residential property the taxation of the purchase depends on the use and on who is transferring it, so we do not estimate either the tax or the fees here. If the seller is a private individual, the transaction is taxed under ITP at the rate set by the Comunitat Valenciana for that type of property, which need not be the same as for housing. If the seller is a business or professional, the general rule for a second or subsequent transfer of a building is that the transaction is exempt from VAT and is also taxed under ITP. The transferring party may waive that exemption when the buyer is entitled to deduct VAT, in which case the transaction becomes subject to VAT (with reverse charge) plus AJD (Stamp Duty), which in several autonomous communities carries an increased rate precisely in that case.

Notary and Land Registry fees (RD 1426/1989 and RD 1427/1989) are calculated on the value of the transaction, and as we have not estimated any value for this property here, we cannot provide that amount either. It is advisable to confirm the applicable regime with the regional tax authority and a tax adviser before signing.

08 / 17Radon gas

✓ Outside action zone

The municipality of Guardamar del Segura is not among the radon action zones of the Technical Building Code (DB-HS6). This does not guarantee a total absence (radon also depends on the specific ground and construction) and the figure is for the MUNICIPALITY against the standard, not for this plot.

P90 potential at the plot's point (Bq/m³), on the five classes of the CSN map.

• Radon is a naturally occurring radioactive gas that seeps up from the subsoil (especially in granitic terrain) and accumulates on ground floors and in basements. The WHO identifies it as the second leading cause of lung cancer after smoking.
• The Technical Building Code (CTE) classification is municipal: it indicates the potential of the area, not the exact concentration in this home, which depends on the floor, ventilation and contact with the ground. The only way to know it is to measure (long-term home test kits, ~€30–€50).
• In the plot's exact point, the Radon Potential Map of Spain (CSN, 2017) estimates a P90 potential between 101 and 200 Bq/m³. The P90 is the level reached only by the most exposed building out of every ten in the area, that is, a reasonable ceiling rather than what should be expected within the property itself. This map is built from actual measurements and the geology of the ground, and it is more precise than the municipality-level classification because it looks at this specific point rather than the whole municipal area.

Source: CTE DB-HS6, Appendix B, radon action zones (measurements by the Nuclear Safety Council). Point potential: Radon Potential Map of Spain, CSN, 2017.

09 / 17Seismic hazard

⚠ Very high seismic hazard

The municipality of Guardamar del Segura has a basic seismic acceleration a_b = 0.15 g according to the NCSE-02: very high seismic hazard. In this area the seismic-resistant design code applies and governs the structural design of the building.

Seismic hazard of the municipality based on its basic acceleration (NCSE-02), across the four classes we use to summarise it.

• The NCSE-02 (Seismic-Resistant Construction Code) assigns each municipality its basic seismic acceleration (a_b) in its Annex, and sets the thresholds above which the code applies at 0.04 g and 0.08 g. The four classes we use here to summarise it (low <0.04 g, moderate 0.04–0.08, high 0.08–0.12 and very high ≥0.12) are our own, to put the figure in perspective at a glance. It is a figure municipal hazard figure, not a measurement of this building.

Source: NCSE-02, Norma de Construcción Sismorresistente (RD 997/2002), Annex: basic seismic acceleration by municipality.

10 / 17Surroundings: proximity and noise

SURROUNDINGS

Approximate distance and orientation to the transport infrastructure with the greatest acoustic impact (geometric proximity on the cartography). Distance alone does not measure noise, so we cross-reference it with the official strategic noise map to provide the Lden level for the point when data is available.

• High-capacity road: N-332 (expressway or national road) at 2.2 km to the east.
• Railway: no railway line in use within 15 km.
• Airport: Alicante-Elche Miguel Hernández airport (ALC) at 27.5 km to the northeast.

We cross-reference the point with the official strategic noise map (MITECO) and there is no data at this location: it only covers large urban agglomerations and the major road and rail corridors, not the whole territory. The ministry's query service has not responded since 17 July 2026, so this check has been made against the official download of that same map which we keep, the 2021 round. Whether the point falls outside the map does not depend on the version, because these zones are delimited by population size and by the major corridors.

Source: OpenStreetMap road and rail network (© OpenStreetMap contributors) and commercial airport network; data from 2026-07-04. Distances are to the nearest point of each infrastructure, with an uncertainty of a few tens of metres (the layout is simplified for the calculation).

11 / 17Constraints and proximity of the land

CONSTRAINTS

Proximity to elements that may condition land use: watercourses, coastline, high-voltage power lines and industrial land. This is a geometric orientation, it does not delimit the legal protection zones (policy zone of the public hydraulic domain, coastal easement, electrical easement), which is set by the competent authority through its official cartography.

• Watercourse: Canal de los Riegos de Levante at 1.5 km to the northwest.
• Coastline: at 2.8 km to the east.
• High-voltage power line: an overhead line at 407 m to the northeast.
• Industrial land: an industrial estate at 660 m to the east.

Source: OpenStreetMap (© OpenStreetMap contributors). Approximate proximity as of the query date. The official delimitation of the public hydraulic and maritime-terrestrial domain corresponds to MITECO and the Confederaciones Hidrográficas / Demarcaciones de Costas, and takes precedence over this estimate.

Services and everyday surroundings

Proximity to everyday services: public transport, education, health, food shops and green areas. This is a geometric orientation on straight-line distance (not actual walking time), intended to give an idea of how well connected and equipped the area is. This is not a valuation or a rating of the property.

• Public transport: bus El Campo at 694 m to the north (3 stops or stations less than 1 km away in a straight line).
• Education: none within 1.5 km.
• Health: pharmacy Farmacia El Raso at 598 m to the north.
• Food shopping: market Mercadillo Campico at 959 m to the east.
• Green areas: garden Plaça de l'Olivera at 148 m to the northwest (9 green spaces within 1 km in a straight line).

Source: OpenStreetMap (© OpenStreetMap contributors), as of the query date. Coverage depends on what the community has mapped and may be incomplete, especially in rural areas. It is advisable to verify on-site.

12 / 17Urban land classification

LAND CLASSIFIED FOR DEVELOPMENT

Land class and planning designation (the zone assigned to it by the planning scheme) of the point on the plot, according to the urban planning of the Comunitat Valenciana (ICV · Generalitat Valenciana). It is a informative, taken from what each town hall approves, which is the body that decides.

• The point is classified as Land classified for development according to the urban planning of the Comunitat Valenciana (ICV · Generalitat Valenciana) (land earmarked for urban development). As there is already a building on the plot, the land is in fact developed and this label may lag behind reality; even so, it is advisable to confirm with the town hall that the development of the sector has been formally received and has no outstanding charges.
• Planning designation (planning zone): New residential development zone (code ZND-RE).
• Class and designation come from the municipal planning integrated into ICV · Generalitat Valenciana. They may lag behind the latest municipal amendment, which prevails. It is worth checking them with the town hall.

This class has been assessed at the central point of the plot, not across the whole boundary, because this region is consulted through its own planning scheme, which we resolve here point by point. On large or irregular plots other parts could have a different class from the centre, so it is worth checking with the town hall if the intended use affects a specific area.

Source: Urban planning of the Comunitat Valenciana (ICV) · Generalitat Valenciana. Data as of the consultation date. The integrated planning may not reflect the latest municipal amendment, which prevails.

Habitability and occupancy certificate

⚠ REGIME IN TRANSITION

In Comunitat Valenciana you need a declaración responsable de segunda ocupación (formerly the licencia de ocupación) to connect the utilities and on each transfer, valid for 10 years. It is the document certifying that the dwelling meets the legal habitability conditions, and it must be available from the owner. Without it, it may not be possible to connect the utilities or to complete a transfer. (regulatory framework in transition (Ley 5/2025) and with its own municipal by-laws)

This report does not verify whether this specific dwelling has the document currently valid (this is not publicly searchable data per property): it is guidance on that autonomous community's regime in 2026. The regime is regional and partly municipal, and has changed in several communities: confirm it with the property's town hall.

Building technical inspection (IEE)

NO IEE ON RECORD

No IEE (Building Evaluation Report) is on record. The obligation to have one is set by the autonomous community and the town hall, and it is aimed at residential buildings of collective housing; this property is not a dwelling, so it does not apply on that basis. A periodic inspection may still be required under municipal ordinance or the regulations specific to its use, and this should be confirmed with the town hall.

The Building Evaluation Report (IEE/ITE) assesses the building's state of conservation, accessibility and energy efficiency. It is aimed at residential buildings of collective housing, and the deadline and conditions are set by each autonomous community and each town hall: the national 50-year schedule that was in the land law was annulled by ruling 143/2017 of the Constitutional Court. Source: IEEV.CV register (Generalitat Valenciana), CC BY, as of the consultation date. This is the data from the regional register: it does not replace reading the full report or an on-site inspection. The Comunitat Valenciana and the Basque Country are, for now, the only autonomous communities with this register openly searchable by building.

13 / 17Local climate

Normal climate values for the period 1991-2020 from the nearest AEMET station with published normals: ALICANTE-ELCHE AIRPORT (ALICANTE), at 27 km and 43 m altitude.

Source: AEMET, normal climatological values 1991-2020. This is the climate of the nearest station, indicative of the point, not a measurement of the property. The local microclimate (altitude, orientation, proximity to the sea or a valley) may differ. The station is 27 km away: take it as a regional reference.

Light pollution

ILLUMINATED

The satellite measured 42 nW/cm²·sr of artificial night light over the area of this address in 2025, that is, artificial light from the urban environment. It is an annual average of a cell about 464 m per side, so it describes the surroundings and not the specific window of a home, which depends on the orientation, the height and whether there is a streetlight in front.

To put it in perspective, measured with this same data: a protected area with no settlements nearby (for example Roque de los Muchachos, Starlight reserve) gives 0; a town of about a thousand inhabitants, between 0.5 and 3; the centre of a city, between 40 and 100; the most illuminated points in Spain exceed 100.

• If you sleep with sensitivity to light, it is worth checking during the visit what each window faces, whether there is a streetlight or a sign in front and what kind of blind or curtain it has. It is one of the few things about the surroundings that can be fixed cheaply from the inside.
• The measurement is of light escaping upward, which is what the satellite sees. An interior courtyard or a narrow street can be much darker than its cell, and a warehouse with floodlights, much brighter.

Source: VIIRS Nighttime Lights (VNL) v2.2, masked annual composite · Earth Observation Group, Payne Institute for Public Policy, Colorado School of Mines. 2025 annual composite, CC BY 4.0. Data cropped to the Spain window and quantized to uint8 on a logarithmic scale by Homefax. Source: EOG, Colorado School of Mines.

14 / 17Forest fires

WOODLAND IN THE SURROUNDINGS

Wildfire risk for the area, combining the proximity to forest mass of the point (wildland-urban interface), the recent fires detected by satellite and the historical frequency of fires in the municipality.

Proximity to forest area (wildland-urban interface)

The nearest forest area (scrubland) is at 493 m to the W. Woodland in the surroundings.

Approximate distance to woodland/scrubland according to OpenStreetMap (© OpenStreetMap contributors). This is not official fuel-load cartography. Proximity to the hillside is the factor with the greatest influence on the property's risk.

Recent fires and fire activity (satellite)

No significant fire has been recorded by satellite within a radius of 10 km around the point over the last 5 years: this is a favourable sign.

Thermal hotspots from the European EFFIS system (Copernicus EMS; VIIRS/MODIS/Sentinel-3 satellites). Satellite detection, indicative of the surrounding area and period, not an assessment of the parcel itself. Scattered hotspots consistent with agricultural burning are excluded as fires.

Historical frequency in the municipality (Guardamar del Segura, Alicante)

Source: Estadística General de Incendios Forestales (EGIF), IEPNB/MITECO, 2006-2015. Figure municipal and historical, indicative of the surrounding area. Does not include the most recent years.

15 / 17Public safety in the area (provincial data)

IN LINE WITH THE AVERAGE

Crime rate conventional of the province of Alicante/Alacant (this municipality has fewer than 20,000 inhabitants, so the Ministry does not publish its own figure and the provincial figure is used), according to the Ministerio del Interior's Sistema Estadístico de Criminalidad (Crime Statistics System) (January-December 2024), as a rate per 1,000 inhabitants (INE 2024 municipal register) in order to compare it with the national average.

The provincial rate is 43.6 conventional offences per 1,000 inhabitants per year, in line with the national average (41), that is 6% higher. Compared to the previous year, it has fallen by 0.8%.

Source: Statistical System on Criminality (SEC), Ministerio del Interior (January-December 2024); population: INE 2024 municipal register. "Conventional crime" groups together traditional offences (robberies, thefts, injuries, etc.), excluding cybercrime. This is a figure for the province as a whole, not the neighbourhood or the street: within the same province, safety varies greatly from one area to another. For guidance only. It should be checked against an on-site visit.

16 / 17Nearby industrial facilities

Industrial facilities registered in the E-PRTR (the European Pollutant Release and Transfer Register, which records large facilities: mega-farms, landfills, incinerators, cement plants, refineries, chemical plants, slaughterhouses, thermal power plants, quarries, wastewater treatment plants…) near the property. It measures the geometric proximity is measured to the registered point of each facility.

There is no E-PRTR facility registered within 5 km. The nearest one on record is Clarios Iberia Pyd, SL (metal industry), approximately 6.1 km (N).

Source: E-PRTR Register · EEA / PRTR-España (MITECO). This is the registered location of the facility and its activity, not a measurement of nuisance, odor, or emission at this point: the actual impact depends on the wind, the chimney height, the corrective measures, and the operation at each moment. The distance is a straight line to the point recorded in the registry. Indicative data. For details on emissions from a specific facility, the PRTR-España registry can be consulted, and it is advisable to check the surroundings in person.

17 / 17Roof solar potential

The roof of this building is shared by 54 dwellings: whether it can be used for self-consumption depends on the community of owners. The figures refer to the building's roof, not to a specific dwelling.

The building recorded at this location on the IGN cartography is for residential use: the figures refer to its roof.

According to IGN SOLAR (the Instituto Geográfico Nacional measures every rooftop in Spain using aerial laser, taking into account the building's actual shading and orientation), the roof of the building at this location receives an average of 1,465 kWh/m² per year (the best-facing slope, 2,101). A typical self-consumption installation (3 to 5 kWp) would produce in the order of 4,917 to 8,195 kWh per year, equivalent to 140-234% of the consumption of an average household, and would avoid on the order of 541 to 901 kg of CO₂ per year. If the percentage exceeds 100%, it means the installation would produce more energy than an average household consumes in a year: the portion actually used depends on the consumption profile and whether there is a battery.

• The roof's radiation (kWh/m² per year) is official IGN data, calculated based on the building's actual relief (LiDAR PNOA laser) and PVGIS European irradiation: it already accounts for the shadows cast by the roof's surroundings and the orientation of each slope.
• The installation and production figures are an indicative estimate based on standard assumptions (current panels, 22% system losses, a reference consumption of 3,500 kWh per year per household, IDAE average). An installation company would refine these figures with a site visit and your actual consumption.

Source: IGN SOLAR, Solar Energy Potential of Buildings © Instituto Geográfico Nacional (Digital Surface Model from LiDAR PNOA + PVGIS irradiation © European Union + cadastre buildings), CC BY 4.0 license. Radiation as of the query date. The avoided CO₂ is calculated using the average factor of the national electricity mix 2025 (Red Eléctrica), a conservative criterion: the actual amount avoided may be higher depending on the generation it displaces. The production, savings, and number of panels depend on the specific installation, your consumption, and the portion of roof actually available: these are indicative figures, not a commitment.

Points to check

4 points to request, ask about or check. Each one arises from a specific finding in this report, with the figure that prompted it.

FOR SIGNS OF THIS ADDRESS (2)

WORTH CHECKING IN ANY CASE (2)

How this list is put together. Each point combines, depending on the case, asking the owner, who is the source of the background information and documentation, cross-checking with the community, the administrator or the neighbours when the matter affects the building or the surrounding area, consulting the competent authority (town hall, confederación hidrográfica, regional registry) without assuming that the response will be quick, requesting a technical or documentary review when there is economic or legal impact, and confirming coverage with the insurance company for risks that may affect the policy. The amounts are indicative orders of magnitude from the market, not quotes.

Methodology and sources

Each check cross-references one or more official public sources, georeferenced to the point or the plot. Below is what each module examines, where the figure comes from, and the date it corresponds to. "Checked on 09/09/2026" indicates a source consulted live on the day of the report. A date or period indicates the validity of the source data itself.

Check	Official source	Data validity
Ground movementVertical movement of the ground and the building (satellite radar InSAR).	European Ground Motion Service · Copernicus (EU)	Release 2020-2024
Cadastral recordPhysical characteristics of the property (surface area, year, use).	Sede Electrónica del Catastro	Checked on 09/09/2026
History of the landEvolution of the parcel in historical orthophotos.	Fototeca Digital · IGN (historical PNOA)	4 aerial periods
Official flood riskFlood-prone areas (river and coastal) and preferential flow zone.	SNCZI · MITECO	Flood zones checked on 09/09/2026; preferential flow zone not available
Sun hours per façadeDirect sunlight on the façade, accounting for shadows from neighbouring buildings and terrain relief.	MDT · IGN + cadastre footprints	Checked on 09/09/2026
Energy efficiencyRegistered energy performance certificate (CEE) of the property or the building.	Regional certificate register (Comunitat Valenciana)	Register as at 09/09/2026
Area priceReference price and liquidity of the local market.	MIVAU · Ministerio de Vivienda	Period Q1 2026
Radon gasRadon zone of the municipality and potential of the point.	CTE DB-HS6 · Nuclear Safety Council	CTE DB-HS6, Appendix B
Seismic hazardBasic seismic acceleration of the municipality.	NCSE-02 Standard (RD 997/2002) · Ministry of Transport	NCSE-02 (RD 997/2002)
Surroundings and noiseProximity to roads, railway and airport, and official noise.	OpenStreetMap + Strategic Noise Map · MITECO	Roads as of 04/07/2026, noise, mapping downloaded from 31/12/2021
Land constraintsIndicative proximity to watercourses, coast, power lines and industrial land.	OpenStreetMap	Checked on 09/09/2026
Land classificationUrban planning classification of the land (urban, developable or rustic).	ICV · Generalitat Valenciana	Checked on 09/09/2026
Local climateClimate profile of the nearest reference weather station.	AEMET · normal climatological values	1991-2020 normals
Forest firesHistorical frequency in the municipality, proximity to forest mass and recent fires detected by satellite.	EGIF · IEPNB/MITECO + OpenStreetMap + EFFIS · Copernicus	EGIF period 2006-2015; satellite on 09/09/2026
Public safetyConventional crime rate for the province (/1,000 inhabitants) vs national average.	Statistical Crime System · Ministry of the Interior + INE municipal register	Year 2024
Industrial facilitiesIndicative proximity to registered industrial facilities (mega-farms, landfills, cement plants, chemical plants…).	E-PRTR Register · EEA (IED/E-PRTR database) + PRTR-España (MITECO)	Register 09/09/2026
Roof solar potentialRoof solar radiation and indicative self-consumption estimate (energy and CO₂).	IGN SOLAR · Instituto Geográfico Nacional (LiDAR PNOA + PVGIS irradiation)	Checked on 09/09/2026
Light pollutionArtificial night light over the area, measured by satellite.	VIIRS VNL · Earth Observation Group, Colorado School of Mines (CC BY 4.0)	Annual composite 2025

Sources: European Ground Motion Service (EGMS), Copernicus, European Union (release 2020-2024, satellite line-of-sight measurement projected to vertical assuming vertical movement); Sede Electrónica del Catastro (property coordinates); Fototeca Digital del IGN (orthophotography); Sistema Nacional de Cartografía de Zonas Inundables, MITECO; Registre de Certificats d'Eficiència Energètica d'Edificis de la Comunitat Valenciana (ICV · Generalitat Valenciana); OpenStreetMap, © OpenStreetMap contributors (surroundings and constraints); Planeamiento urbanístico de la Comunitat Valenciana (ICV) · Generalitat Valenciana (land classification); AEMET (normal climatological values 1991-2020); EGIF, Estadística General de Incendios Forestales (IEPNB/MITECO) 2006-2015; EFFIS, European Forest Fire Information System, © European Union, Copernicus Emergency Management Service (satellite fire hotspots); IEEV.CV, Informe de Evaluación del Edificio de Viviendas de la Comunitat Valenciana (Generalitat Valenciana · Institut Cartogràfic Valencià), CC BY (technical building inspection); Sistema Estadístico de Criminalidad, Ministerio del Interior (January-December 2024) and INE municipal register 2024; E-PRTR Register (European Environment Agency and PRTR-España, MITECO); IGN SOLAR, Potencial de Energía Solar de Edificios (Instituto Geográfico Nacional, with PVGIS irradiation © European Union); VIIRS Nighttime Lights (VNL) v2.2, Earth Observation Group · Payne Institute for Public Policy, Colorado School of Mines, CC BY 4.0 (2025 annual composite, cropped and quantised by Homefax; product citation: C. D. Elvidge, M. Zhizhin, T. Ghosh, F-C. Hsu, "Annual time series of global VIIRS nighttime lights derived from monthly averages: 2012 to 2019", Remote Sensing 2021).

Legal notice. This report is an informative, guidance-only document, produced automatically from official public sources which may contain errors, omissions or update lags that are not attributable to us. The data reflect exclusively the period and scope stated in each section. This report does not constitute an expert opinion, a technical certificate, or technical, legal, planning, environmental or financial advice, nor does it replace an on-site inspection by a qualified professional, the nota simple from the Land Registry, or the corresponding administrative checks. The recommendations included are general guidance that does not take into account the particular circumstances of the property or the buyer. The purchase decision and prior verifications rest solely with the interested party, and this document should not be the only element on which that decision is based. © Demonstration report.