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Hennebont cadastre

Morbihan (56)

Parcels
10,757
Cadastral sections
31
Recorded area (contenance)
1,677.9 ha
Commune code (INSEE)
56083

Sections

Planning

Planning document
Local zoning plan (PLU) (56083_PLU_20241024)

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)
1,005 parcels
Retail diversity to protect or develop
809 parcels
Classified woodland (EBC)
772 parcels
Protected built or landscape heritage
739 parcels
Building restricted (environment, risks, public interest)
517 parcels
Building placement rules
297 parcels
Reserved site
152 parcels
Other prescription
39 parcels
Buildings in a farm or natural zone
13 parcels
Remarkable coastal area
2 parcels
Building placement rules
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
8,981 parcels
Urban pre-emption right
8,456 parcels
Transport noise sector
3,241 parcels
Sensitive natural area pre-emption zone
323 parcels
Archaeological site
273 parcels
Draft risk prevention plan
30 parcels
Soil information sector (pollution)
11 parcels
Airport noise exposure plan
4 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:

Remarkable heritage site
3,829 parcels
Listed monument and its surroundings
1,718 parcels
Railways
193 parcels
Power lines
57 parcels
Listed or classified site
2 parcels

Addresses

5,902 addresses on 447 streets, from the Base Adresse Nationale (national address register). Each number links to its parcel when it is known.

See the 5,902 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 2 (low)
Radon potential
Category 3 (significant)
Clay shrink-swell
16% of the parcels' area with medium exposure, 43% low
Risk prevention plan
Natural or mining risk plan (PM1): 267 parcels within a perimeter recorded in the Géoportail de l'Urbanisme

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)