Saint-Nazaire (44) · report
Renovation in Saint-Nazaire (44)
In 2025, 9% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 9%
Homes authorised in Saint-Nazaire (44): new buildings and existing ones
Dwellings authorised each year, by the year the permit was granted: in new buildings, and by works on existing buildings (conversions, extensions, changes of use). SDES Sitadel.
- Existing buildings
- New buildings
Show the numbers
| Year | New buildings | Existing buildings | Total |
|---|---|---|---|
| 2025 | 568 | 54 | 622 |
| 2024 | 159 | 102 | 261 |
| 2023 | 307 | 34 | 341 |
| 2022 | 831 | 144 | 975 |
| 2021 | 711 | 99 | 810 |
| 2020 | 328 | 78 | 406 |
| 2019 | 859 | 102 | 961 |
| 2018 | 840 | 62 | 902 |
| 2017 | 762 | 107 | 869 |
| 2016 | 758 | 112 | 870 |
| 2015 | 243 | 43 | 286 |
| 2014 | 435 | 15 | 450 |
| 2013 | 283 | 56 | 339 |
Only permits that create dwellings are listed, so renovation that adds no home (refurbishing, insulating, re-roofing) is not counted. A permit is permission to build, not a finished home. The current year is left out until it is complete.
Other reports for Saint-Nazaire (44)
At the median sale price, a 90 m² home costs €259,650. With 10% down and a 30-year mortgage, the payment is €1,011 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 24%
- Payment, one income
- 49%
Owning a 90 m² apartment costs less each month than renting it. Owning counts interest, running costs and the return the deposit could earn, at apartments' median sale price; rent is the asking rent. Repaying the loan is saving, so it is left out.
- Rent per month
- €1,150
- Owning per month
- €958
Figures for Loire-Atlantique: Saint-Nazaire (44) has no reliable figures of its own.
13.1% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 10,457
In 2022 the population grew by 1,457 while 599 homes were started: 2.4 new residents for every new home.
- New residents per new home, 2022
- 2.4
- Population change, 2022
- +1,457
7.1% of the 44,675 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 7.1%
- Empty homes
- 3,188
Public bodies signed €9.1M of housing works here in 2025, and €11.7M since 2024.
- Signed in 2025
- €9.1M
- Per resident, 2025
- €122