Châteaubriant · report
Renovation in Châteaubriant
In 2025, 71% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 71%
Homes authorised in Châteaubriant: 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 | 22 | 53 | 75 |
| 2024 | 41 | 47 | 88 |
| 2023 | 149 | 17 | 166 |
| 2022 | 112 | 138 | 250 |
| 2021 | 64 | 20 | 84 |
| 2020 | 50 | 8 | 58 |
| 2019 | 66 | 17 | 83 |
| 2018 | 52 | 5 | 57 |
| 2017 | 32 | 18 | 50 |
| 2016 | 28 | 1 | 29 |
| 2015 | 17 | 6 | 23 |
| 2014 | 38 | 5 | 43 |
| 2013 | 46 | 13 | 59 |
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 Châteaubriant
At the median sale price, a 90 m² home costs €173,970. With 10% down and a 30-year mortgage, the payment is €677 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 18%
- Payment, one income
- 35%
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
- €895
- Owning per month
- €613
Figures for Loire-Atlantique: Châteaubriant 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 29 while 43 homes were started: 0.7 new residents for every new home.
- New residents per new home, 2022
- 0.7
- Population change, 2022
- +29
9.5% of the 6,787 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 9.5%
- Empty homes
- 643
Public bodies signed €311.7K of housing works here in 2025, and €341.1K since 2024.
- Signed in 2025
- €311.7K
- Per resident, 2025
- €25