Biganos · report
Renovation in Biganos
In 2025, 7% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 7%
Homes authorised in Biganos: 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 | 64 | 5 | 69 |
| 2024 | 5 | 2 | 7 |
| 2023 | 76 | 7 | 83 |
| 2022 | 204 | 68 | 272 |
| 2021 | 52 | 1 | 53 |
| 2020 | 250 | 1 | 251 |
| 2019 | 74 | 2 | 76 |
| 2018 | 105 | 2 | 107 |
| 2017 | 74 | 16 | 90 |
| 2016 | 56 | 8 | 64 |
| 2015 | 62 | 2 | 64 |
| 2014 | 79 | 2 | 81 |
| 2013 | 91 | 5 | 96 |
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 Biganos
At the median sale price, a 90 m² home costs €308,070. With 10% down and a 30-year mortgage, the payment is €1,199 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 26%
- Payment, one income
- 53%
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
- €1,271
- Owning per month
- €1,186
Figures for Gironde: Biganos 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 grew by 128 while 54 homes were started: 2.4 new residents for every new home.
- New residents per new home, 2022
- 2.4
- Population change, 2022
- +128
4.5% of the 5,398 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 4.5%
- Empty homes
- 243