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Allan cadastre

Drôme (26)

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Parcels
4,158
Cadastral sections
31
Recorded area (contenance)
2,728.7 ha
Commune code (INSEE)
26005

Sections

Planning

Planning document
Local zoning plan (PLU) (26005_PLU_20250903)

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:

Classified woodland (EBC)
1,088 parcels
Building restricted (environment, risks, public interest)
426 parcels
Building placement rules
283 parcels
Social housing quota sector
168 parcels
Reserved site
70 parcels
Protected built or landscape heritage
30 parcels
Buildings in a farm or natural zone
19 parcels
Ecological corridor (green and blue network)
15 parcels
Other prescription
4 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”.

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

Urban pre-emption right
1,267 parcels
Sanitation and waste
1,246 parcels
Transport noise sector
831 parcels
Partnership urban project (PUP)
55 parcels
Other information
44 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:

Listed monument and its surroundings
723 parcels
Railways
415 parcels
Power lines
251 parcels
Watercourse maintenance access
95 parcels
Classified installation or polluted site
27 parcels

Addresses

1,085 addresses on 128 streets, from the Base Adresse Nationale (national address register). Each number links to its parcel when it is known.

See the 1,085 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 3 (moderate)
Radon potential
Category 2 (low, with geological factors that can ease the transfer of radon)
Clay shrink-swell
48% of the parcels' area with high exposure, 44% medium
Risk prevention plan
Natural or mining risk plan (PM1): 88 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)