Seine-Saint-Denis · report
Public housing works in Seine-Saint-Denis
Public bodies signed €1.8M of housing works here in 2025, and €2.2M since 2024.
- Signed in 2025
- €1.8M
- Per resident, 2025
- €1
Public housing works signed in Seine-Saint-Denis
Contracts for residential construction declared in the DECP, by the year they were notified, before VAT. Complete years only; the data runs to October 21, 2026.
Show the numbers
| Year | Value signed |
|---|---|
| 2025 | €1,847,864 |
| 2024 | €342,249 |
Contracts are placed by the place of work they declare, mostly a postal code, split evenly between the communes it serves; one that names only a département counts there. A département also counts the contracts in its communes that have no page here. The series starts in 2024, the first year the declarations were complete. The value is the price at notification; a framework agreement's is its ceiling.
Other reports for Seine-Saint-Denis
At the median sale price, a 90 m² home costs €360,000. With 10% down and a 30-year mortgage, the payment is €1,401 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 40%
- Payment, one income
- 79%
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
- Per 1,000 residents
- 7.0
Prices of existing homes have fallen by 3% or more 4 times since 1996. The deepest began in Q4 1992.
- Deepest fall
- −18.3%
- Recovery from the low
- 39 months
In 2022 the population grew by 22,591 while 8,840 homes were started: 2.6 new residents for every new home.
- New residents per new home, 2022
- 2.6
- Population change, 2022
- +22,591
6.0% of the 728,182 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 6.0%
- Empty homes
- 43,944
In 2025, 9% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 9%