Éragny-sur-Oise · report
Renovation in Éragny-sur-Oise
In 2025, 11% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 11%
Homes authorised in Éragny-sur-Oise: 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 | 24 | 3 | 27 |
| 2024 | 123 | 4 | 127 |
| 2023 | 229 | 2 | 231 |
| 2022 | 223 | 1 | 224 |
| 2021 | 20 | 1 | 21 |
| 2020 | 18 | 3 | 21 |
| 2019 | 16 | 1 | 17 |
| 2018 | 50 | 7 | 57 |
| 2017 | 100 | — | 100 |
| 2016 | 8 | 2 | 10 |
| 2015 | 6 | 4 | 10 |
| 2014 | 351 | 3 | 354 |
| 2013 | 111 | 3 | 114 |
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 Éragny-sur-Oise
At the median sale price, a 90 m² home costs €303,030. With 10% down and a 30-year mortgage, the payment is €1,179 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 26%
- Payment, one income
- 51%
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
- €1,676
- Owning per month
- €1,097
Figures for Val-d'Oise: Éragny-sur-Oise 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 fell by 287 while 230 homes were started.
- Homes started, 2022
- 230
- Population change, 2022
- −287
4.0% of the 7,639 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 4.0%
- Empty homes
- 309