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Parcel 85226 000 BT 811

Cadastral parcel of 184 m² (recorded area), in Saint-Hilaire-de-Riez. Planning document zoning: urban zone (UBa).

Recorded area
184 m²
Planning zone
UBaUrban zone (U)
Open in the map
85226 000 BT 8285226 000 BT 8385226 000 BT 8485226 000 BT 8585226 000 BT 8685226 000 BT 8785226 000 BT 8985226 000 BT 9085226 000 BT 9185226 000 BT 9285226 000 BT 9385226 000 BT 9485226 000 BT 9585226 000 BT 9685226 000 BT 9785226 000 BT 9885226 000 BT 9985226 000 BT 10085226 000 BT 12385226 000 BT 12485226 000 BT 13385226 000 BT 13485226 000 BT 13585226 000 BT 13685226 000 BT 13985226 000 BT 14185226 000 BT 14285226 000 BT 15085226 000 BT 15185226 000 BT 15985226 000 BT 16085226 000 BT 17685226 000 BT 17785226 000 BT 17885226 000 BT 17985226 000 BT 18085226 000 BT 18185226 000 BT 18285226 000 BT 18385226 000 BT 18485226 000 BT 18585226 000 BT 18685226 000 BT 20085226 000 BT 20185226 000 BT 20285226 000 BT 20385226 000 BT 32685226 000 BT 32785226 000 BT 34485226 000 BT 34585226 000 BT 34685226 000 BT 34785226 000 BT 34885226 000 BT 40585226 000 BT 40685226 000 BT 41785226 000 BT 41885226 000 BT 42085226 000 BT 42385226 000 BT 42685226 000 BT 42885226 000 BT 55585226 000 BT 55685226 000 BT 60585226 000 BT 60685226 000 BT 61185226 000 BT 61285226 000 BT 61385226 000 BT 66185226 000 BT 66285226 000 BT 68185226 000 BT 69085226 000 BT 69185226 000 BT 73685226 000 BT 73785226 000 BT 73885226 000 BT 75185226 000 BT 75285226 000 BT 75485226 000 BT 75585226 000 BT 75685226 000 BT 75785226 000 BT 75885226 000 BT 75985226 000 BT 76085226 000 BT 76185226 000 BT 77885226 000 BT 77985226 000 BT 80585226 000 BT 80685226 000 BT 80785226 000 BT 80885226 000 BT 80985226 000 BT 81085226 000 BT 81185226 000 BT 81285226 000 BT 81385226 000 BT 814
The parcel (in colour) and its neighbours, from the cadastre; computed perimeter: 184 m. North is up; the bar gives the scale.
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)

At a glance

Computed area
184 m²from the cadastral plan
Perimeter
184 mcomputed from the cadastral plan
Addresses
None linked
Clay soils
Medium exposure (100% of the parcel)
Risk prevention plans
Not recorded

This parcel’s figures, from the cadastre, the national address base (BAN), IGN’s BD TOPO and the risk databases. Missing data is not shown.

What this means for a project

Points drawn from this parcel’s data. They tell you which questions to ask; they do not replace a certificat d’urbanisme or the official statement of risks.

Understanding the map information

Planning zoning

UBa – Urban zone (U)

Urban zone family. This category does not establish permission to build: check the local code, applicable rules and parcel constraints.

100% of the parcel
Document: 85226_PLU_20250512

Addresses

No address from the Base Adresse Nationale is linked to this parcel.

All addresses in Saint-Hilaire-de-Riez

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”.

National clay exposure (BRGM/Géorisques) and labels in the local planning document are separate sources: dates, methods and purposes may differ. Both values are retained; neither replaces the other. Check the national map and local rules with the authorities. Data versions: national clay layer 2026-07-02; GPU extraction 2026-08-15. Géorisques: soil studies and construction

Social housing quota sector
Mixité sociale – 100% of the parcel
Development guidelines (OAP)
Orientation d'Aménagement et de Programmation Thématique – 100% of the parcel

See the document on the Géoportail de l'Urbanisme

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”.

Urban pre-emption right
Droit de Préemption Urbain – 100% of the parcel
Sanitation zoning
Zone d'assainissement collectif – 100% of the parcel

See the document on the Géoportail de l'Urbanisme

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”.

Not recorded in the Géoportail de l'Urbanisme

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.

Some clay soils swell when wet and shrink as they dry, which can crack buildings. The higher the exposure, the more building precautions are needed. A risk prevention plan (PPR) maps the areas exposed to a hazard (flooding, ground movement, an industrial site…) and sets building rules there. The Géoportail de l'Urbanisme does not list every plan yet.

Clay shrink-swell
Medium exposure (100% of the parcel)
Risk prevention plan
Not recorded in the Géoportail de l'Urbanisme
Seismic zone
Zone 3 (moderate)
Radon potential
Category 1 (low)

National clay exposure (BRGM/Géorisques) and labels in the local planning document are separate sources: dates, methods and purposes may differ. Both values are retained; neither replaces the other. Check the national map and local rules with the authorities. Data versions: national clay layer 2026-07-02; GPU extraction 2026-08-15. Géorisques: soil studies and construction

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

The parcel in its section

Details

Cadastral reference
85226 000 BT 811 (85226000BT0811)
Commune
Saint-Hilaire-de-Riez (85226)
Prefix
000
Section
BT
Number
811
Recorded area (contenance)
184 m²
Computed area
184 m² Computed from the plan, may differ from the recorded area.

Planning in this commune

Planning document
Local zoning plan (PLU) (85226_PLU_20250512)

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):

Source datasets used on this page: 6. Their dates and reuse terms can differ.

Sources and versions used on this page

Neighbouring parcels

Previous parcel: 85226 000 BT 810 – 2 Impasse du Quartz, 85270 Saint-Hilaire-de-RiezNext parcel: 85226 000 BT 812