Why does Igny 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 Igny (91430)

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

Identified commercial brownfields

3 brownfields · 60 946 m² (land area)

See the brownfield sites

Site	Status	Area
IEA (INDUSTRIE ELECTRONIQUE AEROSPATIALE), ex ELECTREL, ex GAUTHIER et Cie	friche potentielle	646 m²
Appel à projet Recyclage Foncier 2021 (Dossier N° 3625942) - Île-de-France - 91 - Essonne - Igny	friche avec projet	724 m²
Joliot Curie	friche avec projet	59 576 m²

Building permits (24 months)

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

See the permits

Date	Activity	Area
2024-08	Administration publique (84.11Z)	61 498 m²
2024-03	Activités immobilières (68.10Z)	3 736 m²
2022-11	Construction de bâtiments (41.10A)	32 060 m²
2022-11	Construction de bâtiments (41.10A)	19 104 m²
2018-06	Activités immobilières (68.10Z)	0 m²

DVF transactions (5 years)

894 commercial property mutations

See breakdown by year

Type	Year	Transactions	Price/m²
Appartement	2025	197	14 153 €
Commerce	2025	25	8 258 €
Maison	2025	98	5 125 €
Appartement	2024	35	5 270 €
Commerce	2024	21	3 453 €
Maison	2024	61	5 041 €
Appartement	2023	38	5 967 €
Commerce	2023	13	7 780 €
Maison	2023	76	5 550 €
Appartement	2022	50	6 802 €
Commerce	2022	8	5 549 €
Maison	2022	119	5 825 €

Price per m² (DVF)

€4 858/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 Igny

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.

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FAQ

Why does Igny 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.