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Le Pecq cadastre

Yvelines (78)

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Parcels
2,144
Cadastral sections
13
Recorded area (contenance)
219.7 ha
Commune code (INSEE)
78481

Sections

Planning

Planning document
Local zoning plan (PLU) (78481_PLU_20241218)

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:

Protected built or landscape heritage
814 parcels
Classified woodland (EBC)
143 parcels
Site-plan sector
104 parcels
Building placement rules
85 parcels
Other prescription
17 parcels
Social housing quota sector
11 parcels
Development guidelines (OAP)
8 parcels
Reserved site
4 parcels
Parking requirements of the mobility plan
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”.

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

Sanitation and waste
227 parcels
Urban pre-emption right
181 parcels
Transport noise sector
2 parcels
Local advertising rules
2 parcels
Planning decision deferral area
1 parcel
Other information
1 parcel

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:

Remarkable heritage site
1,302 parcels
Listed or classified site
605 parcels
Listed monument and its surroundings
497 parcels
Power lines
40 parcels
Towpath
6 parcels
Classified installation or polluted site
1 parcel

Addresses

2,087 addresses on 136 streets, from the Base Adresse Nationale (national address register). Each number links to its parcel when it is known.

See the 2,087 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
51% of the parcels' area with high exposure, 44% medium
Risk prevention plan
Natural or mining risk plan (PM1): 826 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)