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20 Rue des Martyrs de la Résistance, 51000 Châlons-en-Champagne

Parcel of 135 m² (recorded area) with a residential building, built 1900 or earlier. Planning document zoning: urban zone (U1).

Recorded area
135 m²
Planning zone
U1Urban 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

51108 000 BC 14151108 000 BC 14251108 000 BC 14351108 000 BC 30651108 000 BC 30751108 000 BC 32751108 000 BC 32951108 000 BC 33051108 000 BC 50951108 000 BC 51051108 000 BC 55651108 000 BC 56051108 000 BC 57151108 000 BC 57451108 000 BC 57651108 000 BC 57751108 000 BC 66951108 000 BC 67051108 000 BC 68351108 000 BC 68751108 000 BC 72951108 000 BC 73251108 000 BC 73451108 000 BC 73651108 000 BC 73751108 000 BC 74051108 000 BC 764
The parcel (in colour) and its neighbours, from the cadastre; computed perimeter: 62 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
139 m²from the cadastral plan
Perimeter
62 mcomputed from the cadastral plan
Buildings
1 buildingResidential
Built
1900 or earlier
Height to the eaves
8.2 m
Storeys
3 (ground floor included)
Dwellings
1
Addresses
1 linked address
Clay soils
Not recorded
Risk prevention plans
1 plan 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

U1 – 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

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 Châlons-en-Champagne

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”.

Building placement rules
Règle particulière implantation 1 – line on the parcel or its boundary

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
Droit de préemption urbain renforcé – 100% of the parcel
Archaeological site
Zonage archéologique – 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”.

Remarkable heritage site
Site patrimonial remarquable de Châlons-en-Champagne – 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
1 building
Use
Residential
Height to the eaves
8.2 m
Storeys
3 (ground floor included)
Dwellings
1
Built
1900 or earlier

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
Natural or mining risk plan (PM1) – PPRn Affaissement - Effondrement de cavités souterraines secteur Châlons-en-Champagne – 100% of the parcel
Seismic zone
Zone 1 (very low)
Radon potential
Category 1 (low)

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

The parcel in its section

Details

Cadastral reference
51108 000 BC 577 (51108000BC0577)
Commune
Châlons-en-Champagne (51108)
Prefix
000
Section
BC
Number
577
Recorded area (contenance)
135 m²
Computed area
139 m² Computed from the plan, may differ from the recorded area.

Planning in this commune

Planning document
Local zoning plan (PLU) (51108_20240411)

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: 51108 000 BC 576Next parcel: 51108 000 BC 578