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Trappes cadastre

Yvelines (78)

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Parcels
3,449
Cadastral sections
28
Recorded area (contenance)
1,292.6 ha
Commune code (INSEE)
78621

Sections

Planning

Planning document
Local zoning plan (PLU) (20005878220260219)

PLU zones (share of parcel area):

Zoning plan statistics: prescriptions, information areas and easements

Local plan prescriptions

For guidance only, from the Géoportail de l'Urbanisme extraction of 15 August 2026; the linked document may have been replaced since. Only the planning document's regulations and annexes are binding. A missing item means “not recorded”, not “no constraint”.

Parcels of the commune concerned, according to the Géoportail de l'Urbanisme:

Development guidelines (OAP)
2,430 parcels
Protected built or landscape heritage
1,184 parcels
Other prescription
597 parcels
Reserved site
102 parcels
Classified woodland (EBC)
79 parcels
Retail diversity to protect or develop
46 parcels
Ecological corridor (green and blue network)
21 parcels
Rebuilding or demolition rules
3 parcels
Protected garden or open land in a built-up area
2 parcels
Remarkable coastal area
1 parcel

Local plan information

For guidance only, from the Géoportail de l'Urbanisme extraction of 15 August 2026; the linked document may have been replaced since. Only the planning document's regulations and annexes are binding. A missing item means “not recorded”, not “no constraint”.

Cover more than 90% of the parcels: Archaeological site, Lead exposure risk area, Other information and Development tax sector.

Parcels of the commune concerned, according to the Géoportail de l'Urbanisme:

Transport noise sector
2,416 parcels
Planning decision deferral area
1,359 parcels
Joint development zone (ZAC)
105 parcels
National interest operation (OIN)
104 parcels
Areas and habitats to preserve (wetlands…)
82 parcels
Airport noise exposure plan
7 parcels
Urban pre-emption right
3 parcels

Public-utility easements

For guidance only, from the Géoportail de l'Urbanisme extraction of 15 August 2026; the linked document may have been replaced since. Only the planning document's regulations and annexes are binding. A missing item means “not recorded”, not “no constraint”.

Parcels of the commune concerned, according to the Géoportail de l'Urbanisme:

Listed monument and its surroundings
322 parcels
Railways
104 parcels
Power lines
68 parcels
Listed or classified site
52 parcels
Nature reserve
6 parcels

Addresses

3,666 addresses on 221 streets, from the Base Adresse Nationale (national address register). Each number links to its parcel when it is known.

See the 3,666 addresses

Risks

This information is for guidance only and has no regulatory force: it does not replace the risk statement (état des risques, ERRIAL) to be attached to a sale or a rental, which anyone can produce free of charge on Géorisques.

Seismic zone
Zone 1 (very low)
Radon potential
Category 1 (low)
Clay shrink-swell
39% of the parcels' area with high exposure, 59% medium
Risk prevention plan
Natural or mining risk plan (PM1): 80 parcels within a perimeter recorded in the Géoportail de l'Urbanisme

Produce the risk statement (ERRIAL) on GéorisquesRisks near an address (Géorisques)

Property prices

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The cadastre is a tax record: it does not prove ownership. Why?

The cadastre is a tax record: it does not prove ownership and its boundaries have no legal force (only a surveyor's boundary marking does). Its plan is approximate: especially where it is old, it can be offset by a few metres from the buildings and the aerial imagery. The owner's name is not shown. Boundary marking (Service Public, in French)