Why does Saint-Nazaire 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 Saint-Nazaire (44600)

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

Identified commercial brownfields

23 brownfields · 2 913 750 m² (land area)

See the brownfield sites

Site	Status	Area
Appel à projet Recyclage Foncier 2021 2nde édition (Dossier N° 5092398) - Pays de la Loire - 44 - Loire-Atlantique - Saint-Nazaire (44600)	friche avec projet	23 850 m²
PORT AUTONOME NANTES- ST NAZAIRE, Station réception eaux polluées, Dépôt résidus pétroliers	friche sans projet	146 455 m²
EFPI, Fab. constructions métalliques	friche potentielle	5 567 m²
STEF LOGISTIQUE PAYS DE LOIRE	friche sans projet	10 060 m²
Appel à projet Recyclage Foncier 2021 (Dossier N° 3756352) - Pays de la Loire - 44 - Loire-Atlantique - Trignac	friche avec projet	512 659 m²
Appel à projet Recyclage Foncier 2021 (Dossier N° 3684270) - Pays de la Loire - 44 - Loire-Atlantique - Saint-Nazaire	friche avec projet	191 505 m²
DUVAL Henry Ets. Chantiers charbonniers, concassage, criblage	friche potentielle	225 014 m²
STOCKOUEST	friche potentielle	22 785 m²

Building permits (24 months)

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

See the permits

Date	Activity	Area
2025-12	Activités immobilières (68.32A)	77 510 m²
2025-07		489 m²
2025-04	Activités immobilières (68.20A)	3 508 m²
2025-04	Construction de bâtiments (41.10D)	78 350 m²
2025-02	Construction de bâtiments (41.10A)	78 350 m²
2024-12		0 m²
2024-11	Administration publique (84.11Z)	4 230 m²
2024-11	Administration publique (84.11Z)	15 898 m²

DVF transactions (5 years)

7648 commercial property mutations

See breakdown by year

Type	Year	Transactions	Price/m²
Appartement	2025	780	4 133 €
Commerce	2025	126	3 429 €
Maison	2025	507	3 360 €
Appartement	2024	651	4 138 €
Commerce	2024	92	3 900 €
Maison	2024	500	3 577 €
Appartement	2023	757	4 388 €
Commerce	2023	91	4 722 €
Maison	2023	560	3 410 €
Appartement	2022	966	4 323 €
Commerce	2022	128	5 894 €
Maison	2022	680	3 419 €

Price per m² (DVF)

€2 642/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 Saint-Nazaire

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 Saint-Nazaire 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.