Les Lilas · report
Renovation in Les Lilas
In 2025, 50% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 50%
Homes authorised in Les Lilas: 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 | 1 | 1 | 2 |
| 2023 | 23 | 29 | 52 |
| 2022 | 59 | 9 | 68 |
| 2021 | 25 | 3 | 28 |
| 2020 | 10 | 5 | 15 |
| 2019 | 51 | 14 | 65 |
| 2018 | 13 | 9 | 22 |
| 2017 | 130 | 7 | 137 |
| 2016 | 62 | 17 | 79 |
| 2015 | 48 | 20 | 68 |
| 2014 | 59 | 4 | 63 |
| 2013 | 51 | 11 | 62 |
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 Les Lilas
At the median sale price, a 90 m² home costs €602,640. With 10% down and a 30-year mortgage, the payment is €2,346 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 50%
- Payment, one income
- 100%
Owning and renting a 90 m² apartment cost about the same each month. 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
- €2,246
- Owning per month
- €2,166
Figures for Seine-Saint-Denis: Les Lilas has no reliable figures of its own.
10.1% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 11,995
In 2022 the population grew by 581 while 2 homes were started: 290.5 new residents for every new home.
- New residents per new home, 2022
- 290.5
- Population change, 2022
- +581
6.9% of the 11,969 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 6.9%
- Empty homes
- 821