Marne · report
Renovation in Marne
In 2025, 28% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 28%
Homes authorised in Marne: 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 | 1,028 | 406 | 1,434 |
| 2024 | 837 | 280 | 1,117 |
| 2023 | 1,195 | 339 | 1,534 |
| 2022 | 2,650 | 461 | 3,111 |
| 2021 | 2,408 | 439 | 2,847 |
| 2020 | 2,197 | 694 | 2,891 |
| 2019 | 3,439 | 321 | 3,760 |
| 2018 | 2,838 | 481 | 3,319 |
| 2017 | 2,214 | 471 | 2,685 |
| 2016 | 2,559 | 299 | 2,858 |
| 2015 | 1,741 | 343 | 2,084 |
| 2014 | 2,441 | 208 | 2,649 |
| 2013 | 2,194 | 241 | 2,435 |
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 Marne
At the median sale price, a 90 m² home costs €186,210. With 10% down and a 30-year mortgage, the payment is €725 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 17%
- Payment, one income
- 34%
28.0% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 1,934
- Per 1,000 residents
- 3.4
In 2022 the population fell by 1,031 while 1,968 homes were started.
- Homes started, 2022
- 1,968
- Population change, 2022
- −1,031
9.1% of the 304,458 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 9.1%
- Empty homes
- 27,779
Public bodies signed €2.7M of housing works here in 2025, and €2.9M since 2024.
- Signed in 2025
- €2.7M
- Per resident, 2025
- €5