Why does Ploudalmézeau 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 Ploudalmézeau (29830)

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

Identified commercial brownfields

7 brownfields · 43 239 m² (land area)

See the brownfield sites

Site	Status	Area
Appel à projet Recyclage Foncier 2021 3ième édition (Dossier N° 7973311) - Bretagne - 29178 - friche: Ancienne Gendarmerie - Parcelle AX-537	friche avec projet	2 519 m²
Nicolas Marcel, atelier de menuiserie et vernissage	friche potentielle	1 945 m²
Appel à projet Recyclage Foncier 2021 (Dossier N° 3636060) - Bretagne - 29 - Finistère - Ploudalmézeau	friche avec projet	25 704 m²
Tréompan - Site de stockage de déchets de marées noires	friche potentielle	7 098 m²
Boursier Pierre/Boursier veuve, station service, garage	friche potentielle	679 m²
Kerros Achille, bar, station service	friche potentielle	763 m²
Caroff A et Compagnie, usine de production d'iode à partir d'algues	friche potentielle	4 531 m²

Building permits (24 months)

2 non-residential permits granted

See the permits

Date	Activity	Area
2025-11		4 447 m²
2025-05		5 669 m²
2024-04	Administration publique (84.11Z)	1 460 m²
2024-03	Administration publique (84.11Z)	19 014 m²
2023-11		1 750 m²
2023-10	Administration publique (84.11Z)	10 656 m²
2023-10		3 803 m²
2023-09		1 820 m²

DVF transactions (5 years)

583 commercial property mutations

See breakdown by year

Type	Year	Transactions	Price/m²
Appartement	2025	9	4 363 €
Commerce	2025	6	1 824 €
Maison	2025	74	2 676 €
Appartement	2024	12	3 081 €
Commerce	2024	7	1 315 €
Maison	2024	68	2 517 €
Appartement	2023	6	2 434 €
Commerce	2023	7	2 903 €
Maison	2023	107	2 913 €
Appartement	2022	34	4 365 €
Commerce	2022	7	3 616 €
Maison	2022	111	2 544 €

Price per m² (DVF)

€2 130/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 Ploudalmézeau

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 Ploudalmézeau 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.