Montbert · report
Renovation in Montbert
In 2025, 14% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 14%
Homes authorised in Montbert: 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 | 19 | 3 | 22 |
| 2024 | 28 | 2 | 30 |
| 2023 | 7 | — | 7 |
| 2022 | 29 | — | 29 |
| 2021 | 44 | 7 | 51 |
| 2020 | 19 | 3 | 22 |
| 2019 | 36 | 4 | 40 |
| 2018 | 13 | 2 | 15 |
| 2017 | 27 | 1 | 28 |
| 2016 | 11 | 1 | 12 |
| 2015 | 15 | 2 | 17 |
| 2014 | 11 | — | 11 |
| 2013 | 11 | — | 11 |
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 Montbert
At the median sale price, a 90 m² home costs €220,950. With 10% down and a 30-year mortgage, the payment is €860 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 19%
- Payment, one income
- 39%
Figures for Loire-Atlantique: Montbert has no reliable figures of its own.
13.1% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 10,457
In 2022 the population grew by 42 while 35 homes were started: 1.2 new residents for every new home.
- New residents per new home, 2022
- 1.2
- Population change, 2022
- +42
4.4% of the 1,431 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 4.4%
- Empty homes
- 63
Public bodies signed €915.4K of housing works here in 2025, and €915.4K since 2024.
- Signed in 2025
- €915.4K
- Per resident, 2025
- €270