Chauny · report
Renovation in Chauny
In 2025, 60% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 60%
Homes authorised in Chauny: 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 | 14 | 21 | 35 |
| 2024 | 11 | 18 | 29 |
| 2023 | 7 | 1 | 8 |
| 2022 | 12 | 2 | 14 |
| 2021 | 12 | 9 | 21 |
| 2020 | 20 | — | 20 |
| 2019 | 20 | 6 | 26 |
| 2018 | 7 | 5 | 12 |
| 2017 | 1 | 60 | 61 |
| 2016 | 6 | 6 | 12 |
| 2015 | 9 | 1 | 10 |
| 2014 | 8 | — | 8 |
| 2013 | 20 | 14 | 34 |
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 Chauny
At the median sale price, a 90 m² home costs €109,260. With 10% down and a 30-year mortgage, the payment is €425 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 13%
- Payment, one income
- 25%
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
- €921
- Owning per month
- €289
Figures for Aisne: Chauny has no reliable figures of its own.
29.0% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 913
In 2022 the population grew by 140 while 7 homes were started: 20.0 new residents for every new home.
- New residents per new home, 2022
- 20.0
- Population change, 2022
- +140
10.2% of the 6,466 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 10.2%
- Empty homes
- 658