Garches · report
Renovation in Garches
In 2025, 29% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 29%
Homes authorised in Garches: 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 | 44 | 18 | 62 |
| 2024 | 7 | 2 | 9 |
| 2023 | 105 | 1 | 106 |
| 2022 | 31 | 2 | 33 |
| 2021 | 96 | 7 | 103 |
| 2020 | 42 | 2 | 44 |
| 2019 | 164 | 5 | 169 |
| 2018 | 158 | 3 | 161 |
| 2017 | 174 | 40 | 214 |
| 2016 | 408 | 1 | 409 |
| 2015 | 2 | 14 | 16 |
| 2014 | 23 | 7 | 30 |
| 2013 | 93 | 1 | 94 |
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 Garches
At the median sale price, a 90 m² home costs €506,250. With 10% down and a 30-year mortgage, the payment is €1,970 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 28%
- Payment, one income
- 56%
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
- €2,146
- Owning per month
- €1,742
Figures for Hauts-de-Seine: Garches 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 38 while 13 homes were started: 2.9 new residents for every new home.
- New residents per new home, 2022
- 2.9
- Population change, 2022
- +38
7.2% of the 8,687 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 7.2%
- Empty homes
- 624