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126 Avenue de Portsall, 29830 Ploudalmézeau

Cadastral parcel of 593 m² (recorded area). Planning document zoning: urban zone (Uhb).

Recorded area
593 m²
Planning zone
UhbUrban 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

29178 000 ZW 4729178 000 ZW 5729178 000 ZW 6029178 000 ZW 6129178 000 ZW 6229178 000 ZW 6429178 000 ZW 7529178 000 ZW 7829178 000 ZW 8029178 000 ZW 27329178 000 ZW 27529178 000 ZW 27629178 000 ZW 27729178 000 ZW 32129178 000 ZW 33629178 000 ZW 33729178 000 ZW 33829178 000 ZW 33929178 000 ZW 34029178 000 ZW 40329178 000 ZW 46429178 000 ZW 46529178 000 ZW 46629178 000 ZW 46729178 000 ZW 46829178 000 ZW 46929178 000 ZW 47229178 000 ZW 475
The parcel (in colour) and its neighbours, from the cadastre; computed perimeter: 136 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
604 m²from the cadastral plan
Perimeter
136 mcomputed from the cadastral plan
Addresses
1 linked address
Clay soils
Not recorded
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

Uhb – 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: 29178_PLU_20241121

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 Ploudalmézeau

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”.

Not recorded in 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
Droit de préemption urbain – 100% of the parcel
Development tax sector
Secteur sousmis à la taxe d'aménagement au taux de 3% – 100% of the parcel
Transport noise sector
Secteur affecté par le bruit des infrastructures terrestres conforme à l'arrêté préfectoral du 12/02/2004 – 58% 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”.

Not recorded in the Géoportail de l'Urbanisme

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
Not recorded
Risk prevention plan
Not recorded in the Géoportail de l'Urbanisme
Seismic zone
Zone 2 (low)
Radon potential
Category 3 (significant)

Produce the risk statement (ERRIAL) on GéorisquesRisks near an address (Géorisques)

The parcel in its section

Details

Cadastral reference
29178 000 ZW 321 (29178000ZW0321)
Commune
Ploudalmézeau (29178)
Prefix
000
Section
ZW
Number
321
Recorded area (contenance)
593 m²
Computed area
604 m² Computed from the plan, may differ from the recorded area.

Planning in this commune

Planning document
Local zoning plan (PLU) (29178_PLU_20241121)

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: 6. Their dates and reuse terms can differ.

Sources and versions used on this page

Neighbouring parcels

Previous parcel: 29178 000 ZW 320Next parcel: 29178 000 ZW 325 – 2 Rue de Kerjestin, 29830 Ploudalmézeau