Saint-Berthevin · report
Renovation in Saint-Berthevin
In 2025, 9% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 9%
Homes authorised in Saint-Berthevin: 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 | 78 | 8 | 86 |
| 2024 | 42 | 12 | 54 |
| 2023 | 44 | 8 | 52 |
| 2022 | 55 | 3 | 58 |
| 2021 | 19 | 1 | 20 |
| 2020 | 57 | — | 57 |
| 2019 | 72 | — | 72 |
| 2018 | 52 | — | 52 |
| 2017 | 54 | 2 | 56 |
| 2016 | 109 | 4 | 113 |
| 2015 | 2 | 14 | 16 |
| 2014 | 4 | 2 | 6 |
| 2013 | 1 | 2 | 3 |
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 Saint-Berthevin
At the median sale price, a 90 m² home costs €190,890. With 10% down and a 30-year mortgage, the payment is €743 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 17%
- Payment, one income
- 33%
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
- €996
- Owning per month
- €640
Figures for Mayenne: Saint-Berthevin has no reliable figures of its own.
18.4% more homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 1,826
In 2022 the population grew by 95 while 79 homes were started: 1.2 new residents for every new home.
- New residents per new home, 2022
- 1.2
- Population change, 2022
- +95
4.5% of the 3,648 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 4.5%
- Empty homes
- 164