Sainte-Geneviève-des-Bois (91) · report
Renovation in Sainte-Geneviève-des-Bois (91)
In 2025, 14% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 14%
Homes authorised in Sainte-Geneviève-des-Bois (91): 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 | 55 | 9 | 64 |
| 2024 | 155 | 2 | 157 |
| 2023 | 168 | 14 | 182 |
| 2022 | 253 | 17 | 270 |
| 2021 | 39 | — | 39 |
| 2020 | 144 | 1 | 145 |
| 2019 | 254 | — | 254 |
| 2018 | 227 | 10 | 237 |
| 2017 | 119 | 8 | 127 |
| 2016 | 138 | 3 | 141 |
| 2015 | 59 | 6 | 65 |
| 2014 | 79 | 4 | 83 |
| 2013 | 150 | 21 | 171 |
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 Sainte-Geneviève-des-Bois (91)
At the median sale price, a 90 m² home costs €288,450. With 10% down and a 30-year mortgage, the payment is €1,123 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 25%
- Payment, one income
- 50%
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
- €1,582
- Owning per month
- €943
Figures for Essonne: Sainte-Geneviève-des-Bois (91) has no reliable figures of its own.
33.7% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 5,659
In 2022 the population fell by 276 while 318 homes were started.
- Homes started, 2022
- 318
- Population change, 2022
- −276
4.5% of the 15,707 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 4.5%
- Empty homes
- 705