Why does Gaillon-sur-Montcient appear in Cartofriches?

Cartofriches lists commercial brownfields identified by local authorities, EPF and Cerema. Presence does not mean current vacancy — verify status with the town hall or directly with the owner (public cadaster).

Difference between building permit and commercial planning permission?

Sit@del lists building permits (>=800 m²). Openings 1 000 m²) are not reflected here.

Why does DVF price differ from commercial rent?

DVF = sale price per m² (acquiring walls). Commercial rent = annual rent per m² (landlord income). Price-to-rent ratio varies 12-20× by zone.

Commercial premises and vacancy in Gaillon-sur-Montcient (78250)

Cartofriches brownfields, Sit@del building permits, DVF commercial property transactions in Gaillon-sur-Montcient. Public data aggregated to assess a location before field visits.

Identified commercial brownfields

1 brownfields · 24 822 m² (land area)

See the brownfield sites

Site	Status	Area
Appel à projet Recyclage Foncier 2021 3ième édition (Dossier N° 8660030) - Île-de-France - 78401 - friche: Friche des Aulnes - Meulan-en-Yvelines	friche avec projet	24 822 m²

Building permits (24 months)

2 non-residential permits granted · top sector: Administration publique (84.11Z)

See the permits

Date	Activity	Area
2025-09	Administration publique (84.11Z)	0 m²
2025-05		2 367 m²
2024-01	Agriculture, élevage (01.11Z)	3 358 m²

DVF transactions (5 years)

63 commercial property mutations

See breakdown by year

Type	Year	Transactions	Price/m²
Commerce	2025	1	543 €
Maison	2025	10	2 414 €
Appartement	2024	11	4 989 €
Maison	2024	7	2 631 €
Appartement	2023	3	2 938 €
Maison	2023	2	2 981 €
Maison	2022	8	3 545 €

Price per m² (DVF)

€3 026/m²

How this analysis is computed

Cross-reference of 4 public sources: Cartofriches Cerema, Sit@del (non-residential permits 24m), DVF DGFiP (5-year transactions), SIRENE. No commercial listings included — for listings consult dedicated portals.

Finding a unit in Gaillon-sur-Montcient

This page identifies availability signals (brownfields, permits, mutations). For active listings, see portals like SeLoger Pro / LocalCommercial.net, or contact a notary for off-market transactions.

Commercial-premises support in Gaillon-sur-Montcient?

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FAQ

Why does Gaillon-sur-Montcient appear in Cartofriches?: Cartofriches lists commercial brownfields identified by local authorities, EPF and Cerema. Presence does not mean current vacancy — verify status with the town hall or directly with the owner (public cadaster).
Difference between building permit and commercial planning permission?: Sit@del lists building permits (>=800 m²). Openings <1 000 m² require no separate commercial permission (CDAC). AEC (>1 000 m²) are not reflected here.
Why does DVF price differ from commercial rent?: DVF = sale price per m² (acquiring walls). Commercial rent = annual rent per m² (landlord income). Price-to-rent ratio varies 12-20× by zone.