Carrières-sous-Poissy · report
Renovation in Carrières-sous-Poissy
In 2025, 75% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 75%
Homes authorised in Carrières-sous-Poissy: 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 | 3 | 4 |
| 2024 | 3 | 3 | 6 |
| 2023 | 84 | 1 | 85 |
| 2022 | 152 | 4 | 156 |
| 2021 | 368 | 2 | 370 |
| 2020 | 91 | — | 91 |
| 2019 | 396 | 2 | 398 |
| 2018 | 160 | — | 160 |
| 2017 | 228 | 3 | 231 |
| 2016 | 356 | 10 | 366 |
| 2015 | 160 | — | 160 |
| 2014 | 115 | 12 | 127 |
| 2013 | 8 | 9 | 17 |
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 Carrières-sous-Poissy
At the median sale price, a 90 m² home costs €324,000. With 10% down and a 30-year mortgage, the payment is €1,261 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 30%
- Payment, one income
- 60%
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
- €1,670
- Owning per month
- €1,245
Figures for Yvelines: Carrières-sous-Poissy has no reliable figures of its own.
12.7% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 7,492
In 2022 the population grew by 874 while 191 homes were started: 4.6 new residents for every new home.
- New residents per new home, 2022
- 4.6
- Population change, 2022
- +874
5.3% of the 8,978 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 5.3%
- Empty homes
- 475