Rennes · report
Renovation in Rennes
In 2025, 22% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 22%
Homes authorised in Rennes: 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 | 1,566 | 454 | 2,020 |
| 2024 | 1,419 | 106 | 1,525 |
| 2023 | 796 | 187 | 983 |
| 2022 | 2,250 | 556 | 2,806 |
| 2021 | 2,399 | 350 | 2,749 |
| 2020 | 1,381 | 313 | 1,694 |
| 2019 | 2,110 | 71 | 2,181 |
| 2018 | 2,161 | 16 | 2,177 |
| 2017 | 1,959 | 122 | 2,081 |
| 2016 | 3,517 | 37 | 3,554 |
| 2015 | 2,209 | 29 | 2,238 |
| 2014 | 1,404 | 26 | 1,430 |
| 2013 | 1,799 | 134 | 1,933 |
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 Rennes
At the median sale price, a 90 m² home costs €339,660. With 10% down and a 30-year mortgage, the payment is €1,322 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 32%
- Payment, one income
- 63%
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
- €1,338
- Owning per month
- €1,218
Figures for Ille-et-Vilaine: Rennes has no reliable figures of its own.
17.6% more homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 12,128
In 2022 the population grew by 3,060 while 2,156 homes were started: 1.4 new residents for every new home.
- New residents per new home, 2022
- 1.4
- Population change, 2022
- +3,060
6.5% of the 137,847 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 6.5%
- Empty homes
- 8,925
Public bodies signed €18.7M of housing works here in 2024, and €18.7M since 2024.
- Signed in 2024
- €18.7M
- Per resident, 2024
- €81