Chamonix-Mont-Blanc · report
Renovation in Chamonix-Mont-Blanc
In 2025, 26% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 26%
Homes authorised in Chamonix-Mont-Blanc: 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 | 68 | 24 | 92 |
| 2024 | 32 | 35 | 67 |
| 2023 | 46 | 39 | 85 |
| 2022 | 163 | 24 | 187 |
| 2021 | 80 | 27 | 107 |
| 2020 | 44 | 2 | 46 |
| 2019 | 47 | 6 | 53 |
| 2018 | 70 | 16 | 86 |
| 2017 | 178 | 15 | 193 |
| 2016 | 82 | 6 | 88 |
| 2015 | 155 | 9 | 164 |
| 2014 | 67 | 1 | 68 |
| 2013 | 105 | 2 | 107 |
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 Chamonix-Mont-Blanc
At the median sale price, a 90 m² home costs €938,610. With 10% down and a 30-year mortgage, the payment is €3,653 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 76%
- Payment, one income
- 152%
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
- €2,309
- Owning per month
- €3,351
Figures for Haute-Savoie: Chamonix-Mont-Blanc has no reliable figures of its own.
19.9% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 8,917
In 2022 the population grew by 32 while 45 homes were started: 0.7 new residents for every new home.
- New residents per new home, 2022
- 0.7
- Population change, 2022
- +32
1.1% of the 14,676 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 1.1%
- Empty homes
- 155
Public bodies signed €1M of housing works here in 2024, and €1M since 2024.
- Signed in 2024
- €1M
- Per resident, 2024
- €115