Carbon-Blanc · report
Renovation in Carbon-Blanc
In 2025, 1% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 1%
Homes authorised in Carbon-Blanc: 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 | 225 | 2 | 227 |
| 2024 | 126 | 4 | 130 |
| 2023 | 132 | 4 | 136 |
| 2022 | 133 | 5 | 138 |
| 2021 | 84 | 99 | 183 |
| 2020 | 102 | 2 | 104 |
| 2019 | 142 | 7 | 149 |
| 2018 | 23 | 4 | 27 |
| 2017 | 17 | — | 17 |
| 2016 | 34 | 5 | 39 |
| 2015 | 90 | — | 90 |
| 2014 | 6 | — | 6 |
| 2013 | 19 | 2 | 21 |
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 Carbon-Blanc
At the median sale price, a 90 m² home costs €244,620. With 10% down and a 30-year mortgage, the payment is €952 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 22%
- Payment, one income
- 44%
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
- €1,264
- Owning per month
- €803
Figures for Gironde: Carbon-Blanc has no reliable figures of its own.
27.8% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 11,095
In 2022 the population fell by 11 while 107 homes were started.
- Homes started, 2022
- 107
- Population change, 2022
- −11
3.9% of the 3,785 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 3.9%
- Empty homes
- 147