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Lorient cadastre

Morbihan (56)

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Parcels
18,208
Cadastral sections
71
Recorded area (contenance)
1,205.6 ha
Commune code (INSEE)
56121

Sections

Planning

Planning document
Local zoning plan (PLU) (5612120260219)

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
4,821 parcels
Retail diversity to protect or develop
4,360 parcels
Development guidelines (OAP)
3,025 parcels
Building restricted (environment, risks, public interest)
1,401 parcels
Road, path or public transport to keep or create
447 parcels
Classified woodland (EBC)
39 parcels
Building placement rules
26 parcels
Prescription (code 21)
23 parcels
Reserved site
12 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”.

Cover more than 90% of the parcels: Sanitation and waste and Urban pre-emption right.

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

Transport noise sector
10,180 parcels
Other information
3,612 parcels
Airport noise exposure plan
2,074 parcels
Joint development zone (ZAC)
827 parcels
Local advertising rules
38 parcels
Housing estate (lotissement)
34 parcels
Archaeological site
16 parcels
Sensitive natural area pre-emption zone
10 parcels
Areas and habitats to preserve (wetlands…)
10 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:

Railways
815 parcels
Listed monument and its surroundings
473 parcels
Power lines
138 parcels
Listed or classified site
6 parcels

Addresses

14,569 addresses on 846 streets, from the Base Adresse Nationale (national address register). Each number links to its parcel when it is known.

See the 14,569 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
7% of the parcels' area with medium exposure, 14% low
Risk prevention plan
Technological risk plan (PM3): 225 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)