Nantes · report
Renovation in Nantes
In 2025, 30% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 30%
Homes authorised in Nantes: 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 | 863 | 365 | 1,228 |
| 2024 | 1,344 | 93 | 1,437 |
| 2023 | 1,849 | 263 | 2,112 |
| 2022 | 1,440 | 51 | 1,491 |
| 2021 | 1,946 | 256 | 2,202 |
| 2020 | 1,736 | 352 | 2,088 |
| 2019 | 3,395 | 134 | 3,529 |
| 2018 | 2,161 | 255 | 2,416 |
| 2017 | 2,648 | 368 | 3,016 |
| 2016 | 4,935 | 154 | 5,089 |
| 2015 | 3,812 | 118 | 3,930 |
| 2014 | 3,403 | 137 | 3,540 |
| 2013 | 2,154 | 76 | 2,230 |
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 Nantes
At the median sale price, a 90 m² home costs €308,790. With 10% down and a 30-year mortgage, the payment is €1,202 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 27%
- Payment, one income
- 54%
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
- €1,305
- Owning per month
- €1,097
Figures for Loire-Atlantique: Nantes 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 2,664 while 2,397 homes were started: 1.1 new residents for every new home.
- New residents per new home, 2022
- 1.1
- Population change, 2022
- +2,664
6.1% of the 196,038 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 6.1%
- Empty homes
- 11,873
Public bodies signed €3.8M of housing works here in 2025, and €5.7M since 2024.
- Signed in 2025
- €3.8M
- Per resident, 2025
- €12