Why does Hennebont 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 Hennebont (56700)

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

Identified commercial brownfields

12 brownfields · 273 314 m² (land area)

See the brownfield sites

Site	Status	Area
CINOLAÏ / DELLA Entreprise, station service, DLI (ess)	friche potentielle	1 600 m²
Appel à projet Recyclage Foncier 2021 2nde édition (Dossier N° 5070602) - Bretagne - 56 - Morbihan - Hennebont (56700) - friche: Site de l'ancien hôpital	friche avec projet	7 393 m²
LE TOUZIC Jean Marie, Scierie mécanique	friche potentielle	6 626 m²
Commune d'HENNEBONT, décharge d'OM contrôlée	friche potentielle	185 911 m²
Henois STE, DLI	friche potentielle	306 m²
Liégeois Salaison , Sté des pétroles et commerçant rennais, Salaison du Blavet, DLI	friche potentielle	42 192 m²
Conserverie coupeau, fabrique de conserves	friche potentielle	263 m²
DDE, dépôt de goudron et de bitume	friche potentielle	13 800 m²

Building permits (24 months)

4 non-residential permits granted · top sector: Activités immobilières (68.20B)

See the permits

Date	Activity	Area
2026-02	Activités immobilières (68.20B)	11 718 m²
2025-03		420 m²
2024-10	Activités immobilières (68.10Z)	425 m²
2024-09		1 265 m²
2024-04	Administration publique (84.11Z)	0 m²
2023-11		10 800 m²
2023-05		17 231 m²
2023-01	Activités immobilières (68.10Z)	1 578 m²

DVF transactions (5 years)

1709 commercial property mutations

See breakdown by year

Type	Year	Transactions	Price/m²
Appartement	2025	130	2 721 €
Commerce	2025	22	2 008 €
Maison	2025	139	2 478 €
Appartement	2024	92	2 896 €
Commerce	2024	21	1 991 €
Maison	2024	156	2 499 €
Appartement	2023	120	3 305 €
Commerce	2023	22	4 603 €
Maison	2023	155	2 614 €
Appartement	2022	187	4 036 €
Commerce	2022	28	1 564 €
Maison	2022	193	2 720 €

Price per m² (DVF)

€1 527/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 Hennebont

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 Hennebont 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.