Ille-et-Vilaine · report
Renovation in Ille-et-Vilaine
In 2025, 19% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 19%
Homes authorised in Ille-et-Vilaine: 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 | 8,381 | 1,934 | 10,315 |
| 2024 | 6,385 | 823 | 7,208 |
| 2023 | 6,613 | 881 | 7,494 |
| 2022 | 9,367 | 1,310 | 10,677 |
| 2021 | 12,192 | 1,213 | 13,405 |
| 2020 | 7,788 | 900 | 8,688 |
| 2019 | 9,680 | 597 | 10,277 |
| 2018 | 9,160 | 700 | 9,860 |
| 2017 | 9,609 | 452 | 10,061 |
| 2016 | 10,224 | 406 | 10,630 |
| 2015 | 7,088 | 344 | 7,432 |
| 2014 | 6,584 | 303 | 6,887 |
| 2013 | 8,098 | 587 | 8,685 |
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 Ille-et-Vilaine
At the median sale price, a 90 m² home costs €252,810. With 10% down and a 30-year mortgage, the payment is €984 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 22%
- Payment, one income
- 44%
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
- Per 1,000 residents
- 10.8
In 2022 the population grew by 11,434 while 10,122 homes were started: 1.1 new residents for every new home.
- New residents per new home, 2022
- 1.1
- Population change, 2022
- +11,434
6.0% of the 592,053 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 6.0%
- Empty homes
- 35,783
Public bodies signed €39M of housing works here in 2025, and €71.4M since 2024.
- Signed in 2025
- €39M
- Per resident, 2025
- €35