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59 Rue Pierre le Guen, 78700 Conflans-Sainte-Honorine

Parcel of 503 m² (recorded area) with a residential building, built 1950 – 1974. Planning document zoning: urban zone (UDa4).

Recorded area
503 m²
Planning zone
UDa4Urban 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

78172 000 AO 10078172 000 AO 10478172 000 AO 10578172 000 AO 10678172 000 AO 20178172 000 AO 20878172 000 AO 21278172 000 AO 47778172 000 AO 47878172 000 AO 48378172 000 AO 50278172 000 AO 50678172 000 AO 50778172 000 AO 50878172 000 AO 50978172 000 AO 51078172 000 AO 51178172 000 AO 51278172 000 AO 51378172 000 AO 55778172 000 AO 55878172 000 AO 55978172 000 AO 56378172 000 AO 57878172 000 AO 57978172 000 AO 60578172 000 AO 60678172 000 AO 66378172 000 AO 66478172 000 AO 66578172 000 AO 66778172 000 AO 67978172 000 AO 68078172 000 AO 68378172 000 AO 68478172 000 AO 68678172 000 AO 70978172 000 AO 76978172 000 AO 79778172 000 AO 80778172 000 AO 995
The parcel (in colour) and its neighbours, from the cadastre; computed perimeter: 96 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
498 m²from the cadastral plan
Perimeter
96 mcomputed from the cadastral plan
Buildings
1 buildingResidential
Built
1950 – 1974
Height to the eaves
3.2 m
Storeys
1 (ground floor included)
Dwellings
1
Addresses
2 linked addresses
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

UDa4 – 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: 200059889_PLUI_20260205

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 Conflans-Sainte-Honorine

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

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
Local advertising rules
Zone ZP2 (habitat) – 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”.

Not recorded in 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
1 building
Use
Residential
Height to the eaves
3.2 m
Storeys
1 (ground floor included)
Dwellings
1
Built
1950 – 1974

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 1 (very low)
Radon potential
Category 1 (low)

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
78172 000 AO 683 (78172000AO0683)
Commune
Conflans-Sainte-Honorine (78172)
Prefix
000
Section
AO
Number
683
Recorded area (contenance)
503 m²
Computed area
498 m² Computed from the plan, may differ from the recorded area.

Planning in this commune

Planning document
Intermunicipal zoning plan (PLUi) (200059889_PLUi_20260205)

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: 78172 000 AO 682Next parcel: 78172 000 AO 684