Mantes-la-Jolie · report
Renovation in Mantes-la-Jolie
In 2025, 5% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 5%
Homes authorised in Mantes-la-Jolie: 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 | 505 | 29 | 534 |
| 2024 | 66 | 261 | 327 |
| 2023 | 194 | 2 | 196 |
| 2022 | 193 | 1 | 194 |
| 2021 | 265 | 3 | 268 |
| 2020 | 253 | 34 | 287 |
| 2019 | 153 | 3 | 156 |
| 2018 | 194 | 13 | 207 |
| 2017 | 49 | 2 | 51 |
| 2016 | 179 | 16 | 195 |
| 2015 | 9 | 24 | 33 |
| 2014 | 25 | 10 | 35 |
| 2013 | 47 | 148 | 195 |
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 Mantes-la-Jolie
At the median sale price, a 90 m² home costs €225,000. With 10% down and a 30-year mortgage, the payment is €876 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 27%
- Payment, one income
- 54%
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
- €1,427
- Owning per month
- €804
Figures for Yvelines: Mantes-la-Jolie 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 fell by 720 while 68 homes were started.
- Homes started, 2022
- 68
- Population change, 2022
- −720
6.3% of the 18,334 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 6.3%
- Empty homes
- 1,157