Alfortville · report
Renovation in Alfortville
In 2025, 2% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 2%
Homes authorised in Alfortville: 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 | 322 | 7 | 329 |
| 2024 | 213 | 2 | 215 |
| 2023 | 11 | 4 | 15 |
| 2022 | 168 | 1 | 169 |
| 2021 | 192 | 14 | 206 |
| 2020 | 267 | 9 | 276 |
| 2019 | 251 | 68 | 319 |
| 2018 | 575 | 99 | 674 |
| 2017 | 255 | 8 | 263 |
| 2016 | 366 | 10 | 376 |
| 2015 | 396 | 4 | 400 |
| 2014 | 263 | 19 | 282 |
| 2013 | 118 | 36 | 154 |
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 Alfortville
At the median sale price, a 90 m² home costs €450,900. With 10% down and a 30-year mortgage, the payment is €1,755 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 42%
- Payment, one income
- 84%
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
- €1,954
- Owning per month
- €1,629
Figures for Val-de-Marne: Alfortville has no reliable figures of its own.
9.9% more homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 12,010
In 2022 the population fell by 38 while 146 homes were started.
- Homes started, 2022
- 146
- Population change, 2022
- −38
6.6% of the 23,821 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 6.6%
- Empty homes
- 1,569
Public bodies signed €2.7M of housing works here in 2025, and €2.7M since 2024.
- Signed in 2025
- €2.7M
- Per resident, 2025
- €59