Sedan · report
Renovation in Sedan
In 2025, 82% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 82%
Homes authorised in Sedan: 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 | 2 | 9 | 11 |
| 2024 | 3 | 3 | 6 |
| 2023 | 4 | — | 4 |
| 2022 | 18 | 3 | 21 |
| 2021 | 54 | 8 | 62 |
| 2020 | 6 | 10 | 16 |
| 2019 | 6 | 1 | 7 |
| 2018 | 8 | — | 8 |
| 2017 | 49 | 1 | 50 |
| 2016 | 26 | 1 | 27 |
| 2015 | 72 | — | 72 |
| 2014 | 57 | 2 | 59 |
| 2013 | 61 | 12 | 73 |
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 Sedan
At the median sale price, a 90 m² home costs €86,580. With 10% down and a 30-year mortgage, the payment is €337 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 10%
- Payment, one income
- 21%
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
- €788
- Owning per month
- €285
Figures for Ardennes: Sedan has no reliable figures of its own.
30.6% more homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 805
In 2022 the population fell by 60 while 6 homes were started.
- Homes started, 2022
- 6
- Population change, 2022
- −60
11.4% of the 9,981 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 11.4%
- Empty homes
- 1,141