Blain · report
Renovation in Blain
In 2025, 24% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 24%
Homes authorised in Blain: 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 | 41 | 13 | 54 |
| 2024 | 27 | 20 | 47 |
| 2023 | 161 | 31 | 192 |
| 2022 | 53 | 11 | 64 |
| 2021 | 53 | 31 | 84 |
| 2020 | 70 | 7 | 77 |
| 2019 | 79 | 9 | 88 |
| 2018 | 69 | 13 | 82 |
| 2017 | 39 | 12 | 51 |
| 2016 | 55 | 5 | 60 |
| 2015 | 60 | 6 | 66 |
| 2014 | 34 | 6 | 40 |
| 2013 | 48 | 6 | 54 |
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 Blain
At the median sale price, a 90 m² home costs €194,940. With 10% down and a 30-year mortgage, the payment is €759 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 18%
- Payment, one income
- 36%
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
- €1,072
- Owning per month
- €669
Figures for Loire-Atlantique: Blain 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 24 while 52 homes were started: 0.5 new residents for every new home.
- New residents per new home, 2022
- 0.5
- Population change, 2022
- +24
6.6% of the 4,795 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 6.6%
- Empty homes
- 316