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Le Chesnay-Rocquencourt cadastre

Yvelines (78)

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Parcels
3,033
Cadastral sections
19
Recorded area (contenance)
626.7 ha
Commune code (INSEE)
78158

Sections

Planning

Planning document
Local zoning plan (PLU) (78158_PLU_20241219)

Find the applicable document on the official GPU map

Document identified in the data, without assurance that it covers the whole commune or every parcel. Several documents may apply. Check coverage and the current version with the town hall or GPU. 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”.

Planning zones (share of parcel area):

This PLU is the commune’s own document; it must be compatible with the territorial coherence scheme (SCoT) covering the area or, failing that, with the higher-level documents. Guide: who decides what in planning

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
559 parcels
Building placement rules
124 parcels
Development guidelines (OAP)
77 parcels
Social housing quota sector
22 parcels
Other prescription
10 parcels
Parking
9 parcels
Classified woodland (EBC)
8 parcels
Reserved site
6 parcels
Building restricted (environment, risks, public interest)
2 parcels

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: Urban pre-emption right.

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

Transport noise sector
2,041 parcels
Soil information sector (pollution)
2 parcels
Archaeological site
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”.

Cover more than 90% of the parcels: Listed monument and its surroundings.

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

Listed or classified site
177 parcels
Protection forest
9 parcels
Classified installation or polluted site
1 parcel

Addresses

3,510 addresses on 231 streets, from the Base Adresse Nationale (national address register). Each number links to its parcel when it is known.

See the 3,510 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
42% of the parcels' area with high exposure, 5% medium
Risk prevention plan
Not 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)