Le Blanc-Mesnil · report
Renovation in Le Blanc-Mesnil
In 2025, 0% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 0%
Homes authorised in Le Blanc-Mesnil: 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 | 517 | 2 | 519 |
| 2024 | 543 | 1 | 544 |
| 2023 | 378 | 228 | 606 |
| 2022 | 1,217 | 41 | 1,258 |
| 2021 | 632 | 83 | 715 |
| 2020 | 638 | 10 | 648 |
| 2019 | 1,419 | 3 | 1,422 |
| 2018 | 1,997 | 6 | 2,003 |
| 2017 | 609 | 227 | 836 |
| 2016 | 282 | 259 | 541 |
| 2015 | 214 | 76 | 290 |
| 2014 | 104 | 17 | 121 |
| 2013 | 213 | 43 | 256 |
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 Le Blanc-Mesnil
At the median sale price, a 90 m² home costs €342,360. With 10% down and a 30-year mortgage, the payment is €1,333 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 41%
- Payment, one income
- 81%
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
- €1,662
- Owning per month
- €1,224
Figures for Seine-Saint-Denis: Le Blanc-Mesnil has no reliable figures of its own.
10.1% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 11,995
In 2022 the population grew by 2,464 while 730 homes were started: 3.4 new residents for every new home.
- New residents per new home, 2022
- 3.4
- Population change, 2022
- +2,464
5.2% of the 24,199 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 5.2%
- Empty homes
- 1,248