Blois · report
Renovation in Blois
In 2025, 75% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 75%
Homes authorised in Blois: 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 | 15 | 45 | 60 |
| 2024 | 263 | 53 | 316 |
| 2023 | 37 | 101 | 138 |
| 2022 | 127 | 86 | 213 |
| 2021 | 99 | 126 | 225 |
| 2020 | 272 | 10 | 282 |
| 2019 | 37 | 46 | 83 |
| 2018 | 16 | 9 | 25 |
| 2017 | 146 | 116 | 262 |
| 2016 | 129 | 36 | 165 |
| 2015 | 57 | 7 | 64 |
| 2014 | 81 | 215 | 296 |
| 2013 | 84 | 9 | 93 |
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 Blois
At the median sale price, a 90 m² home costs €167,130. With 10% down and a 30-year mortgage, the payment is €651 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
- €1,043
- Owning per month
- €584
Figures for Loir-et-Cher: Blois has no reliable figures of its own.
23.6% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 964
In 2022 the population grew by 127 while 90 homes were started: 1.4 new residents for every new home.
- New residents per new home, 2022
- 1.4
- Population change, 2022
- +127
11.6% of the 27,526 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 11.6%
- Empty homes
- 3,202