Sannois · report
Empty homes in Sannois
5.1% of the 12,193 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 5.1%
- Empty homes
- 618
Empty homes in Sannois, census by census
Share of homes standing empty at each census, against the wider areas.
- Sannois
- Val-d'Oise
- France
Show the numbers
| Census | Sannois | Val-d'Oise | France |
|---|---|---|---|
| 2023 | 5.1% | 6.0% | 7.8% |
| 2017 | 5.6% | 5.8% | 8.2% |
| 2012 | 4.8% | 5.2% | 7.6% |
| 2007 | 4.4% | 4.3% | 6.5% |
| 1999 | 7.0% | 6.2% | 6.9% |
| 1990 | 5.2% | 4.9% | 7.2% |
| 1982 | 7.4% | 6.4% | 7.6% |
| 1975 | 6.7% | 6.9% | 7.7% |
| 1968 | 5.0% | 5.9% | 6.6% |
Against the wider area
Share of homes standing empty in the 2023 census.
| Area | Empty |
|---|---|
| Sannois | 5.1% |
| Val-d'Oise | 6.0% |
| France | 7.8% |
INSEE counts a home as vacant when nobody lives in it: for sale, to let, already let or sold but not yet occupied, awaiting repair, or kept empty. Second homes are counted apart and are not included. The latest census is the rolling survey of 2021 to 2025.
Other reports for Sannois
At the median sale price, a 90 m² home costs €330,030. With 10% down and a 30-year mortgage, the payment is €1,285 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 28%
- Payment, one income
- 56%
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
- €1,784
- Owning per month
- €1,095
Figures for Val-d'Oise: Sannois 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 152 while 184 homes were started: 0.8 new residents for every new home.
- New residents per new home, 2022
- 0.8
- Population change, 2022
- +152
In 2025, 33% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 33%