Saint-Leu-la-Forêt · report
Renovation in Saint-Leu-la-Forêt
In 2025, 44% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 44%
Homes authorised in Saint-Leu-la-Forêt: 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 | 10 | 8 | 18 |
| 2024 | 45 | 2 | 47 |
| 2023 | 5 | 5 | 10 |
| 2022 | 37 | 1 | 38 |
| 2021 | 151 | 11 | 162 |
| 2020 | 124 | 1 | 125 |
| 2019 | 199 | 4 | 203 |
| 2018 | 103 | 4 | 107 |
| 2017 | 167 | 1 | 168 |
| 2016 | 158 | 1 | 159 |
| 2015 | 129 | 1 | 130 |
| 2014 | 105 | 4 | 109 |
| 2013 | 124 | 9 | 133 |
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 Saint-Leu-la-Forêt
At the median sale price, a 90 m² home costs €341,640. With 10% down and a 30-year mortgage, the payment is €1,330 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
- €1,715
- Owning per month
- €1,158
Figures for Val-d'Oise: Saint-Leu-la-Forêt has no reliable figures of its own.
32.3% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 4,869
In 2022 the population grew by 91 while 16 homes were started: 5.7 new residents for every new home.
- New residents per new home, 2022
- 5.7
- Population change, 2022
- +91
7.0% of the 7,390 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 7.0%
- Empty homes
- 519