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Thiverval-Grignon cadastre

Yvelines (78)

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Parcels
1,341
Cadastral sections
10
Recorded area (contenance)
1,097.6 ha
Commune code (INSEE)
78615

Sections

Planning

Planning document
Local zoning plan (PLU) (78615_PLU_20251211)

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
115 parcels
Classified woodland (EBC)
64 parcels
Building placement rules
32 parcels
Parking requirements of the mobility plan
19 parcels
Building restricted (environment, risks, public interest)
13 parcels
Development guidelines (OAP)
10 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: Development tax sector.

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

Urban pre-emption right
705 parcels
Transport noise sector
15 parcels
Sanitation and waste
14 parcels
Lead exposure risk area
5 parcels
Other information
5 parcels
Archaeological site
2 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”.

Cover more than 90% of the parcels: Underground gas or fuel storage.

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

Listed monument and its surroundings
633 parcels
Railways
42 parcels
Power lines
11 parcels

Addresses

377 addresses on 36 streets, from the Base Adresse Nationale (national address register). Each number links to its parcel when it is known.

See the 377 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
18% of the parcels' area with high exposure, 68% medium
Risk prevention plan
Natural or mining risk plan (PM1): 215 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)