Why does Portet-sur-Garonne 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 Portet-sur-Garonne (31120)

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

Identified commercial brownfields

2 brownfields · 156 348 m² (land area)

See the brownfield sites

Site	Status	Area
MALET / AERODROME PRIVE PROVISOIRE POUR LES BESOINS D'UN CHANTIER POUR COMPTE D'EDF	friche potentielle	149 968 m²
LAFITTE(ex AUGROS PACKAGING )	friche potentielle	6 380 m²

Building permits (24 months)

2 non-residential permits granted

See the permits

Date	Activity	Area
2026-01		959 m²
2025-04		1 864 m²
2023-09	Architecture, ingénierie, contrôle (71.12A)	646 m²
2022-09		1 553 m²
2022-07	Activités immobilières (68.10Z)	2 380 m²
2022-05		3 106 m²
2022-05		3 911 m²
2022-02	Construction de bâtiments (41.10A)	1 717 m²

DVF transactions (5 years)

648 commercial property mutations

See breakdown by year

Type	Year	Transactions	Price/m²
Appartement	2025	35	4 811 €
Commerce	2025	18	5 609 €
Maison	2025	91	2 905 €
Appartement	2024	23	2 298 €
Commerce	2024	27	7 025 €
Maison	2024	69	3 229 €
Appartement	2023	24	2 507 €
Commerce	2023	13	1 547 €
Maison	2023	69	3 003 €
Appartement	2022	33	3 744 €
Commerce	2022	43	3 165 €
Maison	2022	83	3 184 €

Price per m² (DVF)

€2 194/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 Portet-sur-Garonne

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 Portet-sur-Garonne 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.