Clamart · report
Renovation in Clamart
In 2025, 22% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 22%
Homes authorised in Clamart: 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 | 68 | 19 | 87 |
| 2024 | 51 | 23 | 74 |
| 2023 | 292 | 20 | 312 |
| 2022 | 1,159 | 13 | 1,172 |
| 2021 | 1,084 | 25 | 1,109 |
| 2020 | 577 | 16 | 593 |
| 2019 | 969 | 13 | 982 |
| 2018 | 1,467 | 16 | 1,483 |
| 2017 | 2,289 | 90 | 2,379 |
| 2016 | 403 | 8 | 411 |
| 2015 | 194 | 88 | 282 |
| 2014 | 222 | 19 | 241 |
| 2013 | 90 | 18 | 108 |
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 Clamart
At the median sale price, a 90 m² home costs €538,740. With 10% down and a 30-year mortgage, the payment is €2,097 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 37%
- Payment, one income
- 73%
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
- €2,165
- Owning per month
- €1,935
Figures for Hauts-de-Seine: Clamart 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 1,694 while 359 homes were started: 4.7 new residents for every new home.
- New residents per new home, 2022
- 4.7
- Population change, 2022
- +1,694
5.8% of the 28,150 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 5.8%
- Empty homes
- 1,633