Saint-Ouen-sur-Seine · report
Renovation in Saint-Ouen-sur-Seine
In 2025, 3% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 3%
Homes authorised in Saint-Ouen-sur-Seine: 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 | 162 | 5 | 167 |
| 2024 | 366 | 30 | 396 |
| 2023 | 830 | 6 | 836 |
| 2022 | 820 | 207 | 1,027 |
| 2021 | 655 | 21 | 676 |
| 2020 | 2,583 | 3 | 2,586 |
| 2019 | 953 | 4 | 957 |
| 2018 | 1,051 | 1 | 1,052 |
| 2017 | 862 | 8 | 870 |
| 2016 | 1,486 | 4 | 1,490 |
| 2015 | 132 | 10 | 142 |
| 2014 | 124 | 5 | 129 |
| 2013 | 573 | 23 | 596 |
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-Ouen-sur-Seine
At the median sale price, a 90 m² home costs €578,880. With 10% down and a 30-year mortgage, the payment is €2,253 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 57%
- Payment, one income
- 114%
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
- €2,060
- Owning per month
- €2,117
Figures for Seine-Saint-Denis: Saint-Ouen-sur-Seine 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 574 while 473 homes were started: 1.2 new residents for every new home.
- New residents per new home, 2022
- 1.2
- Population change, 2022
- +574
8.5% of the 28,613 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 8.5%
- Empty homes
- 2,442