Saint-Michel-Chef-Chef · report
Renovation in Saint-Michel-Chef-Chef
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-Michel-Chef-Chef: 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 | 63 | 6 | 69 |
| 2024 | 19 | 3 | 22 |
| 2023 | 10 | 6 | 16 |
| 2022 | 34 | 7 | 41 |
| 2021 | 27 | 3 | 30 |
| 2020 | 32 | 28 | 60 |
| 2019 | 70 | 3 | 73 |
| 2018 | 74 | 3 | 77 |
| 2017 | 159 | 1 | 160 |
| 2016 | 35 | 1 | 36 |
| 2015 | 56 | 3 | 59 |
| 2014 | 57 | 1 | 58 |
| 2013 | 51 | 2 | 53 |
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-Michel-Chef-Chef
At the median sale price, a 90 m² home costs €369,000. With 10% down and a 30-year mortgage, the payment is €1,436 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 31%
- Payment, one income
- 62%
Renting a 90 m² apartment costs less each month than owning 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
- €1,224
- Owning per month
- €1,378
Figures for Loire-Atlantique: Saint-Michel-Chef-Chef 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 194 while 20 homes were started: 9.7 new residents for every new home.
- New residents per new home, 2022
- 9.7
- Population change, 2022
- +194
2.8% of the 6,230 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 2.8%
- Empty homes
- 173