Louvres · report
Renovation in Louvres
In 2025, 1% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 1%
Homes authorised in Louvres: 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 | 137 | 2 | 139 |
| 2024 | 2 | 6 | 8 |
| 2023 | 350 | 1 | 351 |
| 2022 | 138 | 1 | 139 |
| 2021 | 106 | 3 | 109 |
| 2020 | 68 | 3 | 71 |
| 2019 | 83 | — | 83 |
| 2018 | 127 | — | 127 |
| 2017 | 421 | — | 421 |
| 2016 | 159 | — | 159 |
| 2015 | 29 | 18 | 47 |
| 2014 | 273 | 167 | 440 |
| 2013 | 1 | — | 1 |
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 Louvres
At the median sale price, a 90 m² home costs €289,440. With 10% down and a 30-year mortgage, the payment is €1,127 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 27%
- Payment, one income
- 54%
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
- €1,575
- Owning per month
- €1,134
Figures for Val-d'Oise: Louvres 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 334 while 168 homes were started: 2.0 new residents for every new home.
- New residents per new home, 2022
- 2.0
- Population change, 2022
- +334
4.6% of the 4,938 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 4.6%
- Empty homes
- 225