Gennevilliers · report
Renovation in Gennevilliers
In 2025, 18% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 18%
Homes authorised in Gennevilliers: 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 | 773 | 164 | 937 |
| 2024 | 225 | — | 225 |
| 2023 | 88 | 1 | 89 |
| 2022 | 372 | 68 | 440 |
| 2021 | 27 | 62 | 89 |
| 2020 | 264 | 2 | 266 |
| 2019 | 44 | — | 44 |
| 2018 | 198 | 1 | 199 |
| 2017 | 582 | — | 582 |
| 2016 | 314 | 1 | 315 |
| 2015 | 130 | 6 | 136 |
| 2014 | 318 | — | 318 |
| 2013 | 701 | 5 | 706 |
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 Gennevilliers
At the median sale price, a 90 m² home costs €398,700. With 10% down and a 30-year mortgage, the payment is €1,552 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 46%
- Payment, one income
- 92%
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
- €2,145
- Owning per month
- €1,506
Figures for Hauts-de-Seine: Gennevilliers has no reliable figures of its own.
2.7% more homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 12,666
In 2022 the population grew by 105 while 300 homes were started: 0.4 new residents for every new home.
- New residents per new home, 2022
- 0.4
- Population change, 2022
- +105
3.7% of the 20,948 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 3.7%
- Empty homes
- 779