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Blois cadastre

Loir-et-Cher (41)

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Parcels
20,613
Cadastral sections
97
Recorded area (contenance)
3,172.6 ha
Commune code (INSEE)
41018

Sections

Planning

Planning document
Intermunicipal zoning plan (PLUi) (200030385_PLUI_20260630)

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:

Parking
16,897 parcels
Protected built or landscape heritage
2,462 parcels
Development guidelines (OAP)
1,887 parcels
Retail diversity to protect or develop
1,114 parcels
Reserved site
219 parcels
Classified woodland (EBC)
19 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: Other information, Archaeological site and UNESCO World Heritage.

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

Sanitation and waste
17,091 parcels
Joint development zone (ZAC)
402 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
7,665 parcels
Railways
1,205 parcels
Remarkable heritage site
1,187 parcels
Classified installation or polluted site
260 parcels
Power lines
112 parcels
Listed or classified site
17 parcels

Addresses

13,667 addresses on 704 streets, from the Base Adresse Nationale (national address register). Each number links to its parcel when it is known.

See the 13,667 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
7% of the parcels' area with high exposure, 93% medium
Risk prevention plan
  • Natural or mining risk plan (PM1): 5,987 parcels within a perimeter recorded in the Géoportail de l'Urbanisme
  • Technological risk plan (PM3): 22 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)