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6 Rue de la Galonnière, Brain-sur-l'Authion, 49800 Loire-Authion

Parcel of 963 m² (recorded area) with 2 buildings. Planning document zoning: urban zone (UC).

Recorded area
963 m²
Planning zone
UCUrban zone (U)
Open in the map

Address from France’s national address register (BAN), associated with this parcel for information only. Addresses and how they are linked

49307 042 AB 22049307 042 AB 22149307 042 AB 22449307 042 AB 22649307 042 AB 23249307 042 AB 23449307 042 AB 23849307 042 AB 23949307 042 AB 24049307 042 AB 24149307 042 AB 24349307 042 AB 24449307 042 AB 24749307 042 AB 25549307 042 AB 25649307 042 AB 52149307 042 AB 52449307 042 AB 63149307 042 AB 63249307 042 AB 63349307 042 AB 63649307 042 AB 64249307 042 AB 67949307 042 AB 68049307 042 AB 68149307 042 AB 68249307 042 AB 73749307 042 AB 73849307 042 AB 74049307 042 AB 86649307 042 AB 87149307 042 AB 93349307 042 AB 93449307 042 AB 935
The parcel (in colour) and its neighbours, from the cadastre; computed perimeter: 131 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
976 m²from the cadastral plan
Perimeter
131 mcomputed from the cadastral plan
Buildings
2 buildings
Height to the eaves
up to 5.5 m
Addresses
1 linked address
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

UC – 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: 244900015_PLUI_20251117

Addresses

Source: Base Adresse Nationale (national address register). “Linked by its position”: the address point lies inside the parcel. “Linked by its building (RNB)”: the building that carries the address in the national building register (Référentiel National des Bâtiments) stands on the parcel. “Linked by IGN (BAN PLUS)”: IGN matches the address to this parcel, the nearest one on the same side of the street, and the address point lies inside it. In these cases the Base Adresse Nationale declares no link.

All addresses in Loire-Authion

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

Height
Plan des hauteurs – 100% of the parcel
Protected landscape heritage
Edifice patrimonial – point feature on 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
Périmètre de droit de préemption urbain – 100% of the parcel
Other information
Retrait gonflement des argiles – 100% of the parcel
Other information
Risque de feux de forêt à la commune - Aléa fort – 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”.

Listed monument and its surroundings
Eglise Saint-Pierre [Brain-sur-Authion] – 100% of the parcel

See the document on the Géoportail de l'Urbanisme

Buildings

Indicative data (IGN BD TOPO): buildings IGN links to the parcel (BAN PLUS) when they cover at least 20 m² of it, with information from the tax files (DGFiP), anonymised. An unknown height or number is not shown. Construction years are grouped into periods, because old buildings often carry an estimated round year (1800, 1900…). A building standing on several parcels is counted on each, with all its dwellings. Recent buildings may be missing: the tax files are updated with a delay.

On the parcel
2 buildings
Height to the eaves
up to 5.5 m

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 2 (low)
Radon potential
Category 2 (low, with geological factors that can ease the transfer of radon)

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
49307 042 AB 737 (49307042AB0737)
Commune
Loire-Authion (49307)
Prefix
042 – Former commune (merged or delegated)
Section
042 AB
Number
737
Recorded area (contenance)
963 m²
Computed area
976 m² Computed from the plan, may differ from the recorded area.

Planning in this commune

Planning document
Intermunicipal zoning plan (PLUi) (244900015_PLUI_20251117)

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: 8. Their dates and reuse terms can differ.

Sources and versions used on this page

Neighbouring parcels

Previous parcel: 49307 042 AB 736Next parcel: 49307 042 AB 738