Carnac · report
Renovation in Carnac
In 2025, 29% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 29%
Homes authorised in Carnac: 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 | 17 | 7 | 24 |
| 2024 | 18 | 3 | 21 |
| 2023 | 48 | 18 | 66 |
| 2022 | 12 | 2 | 14 |
| 2021 | 116 | 11 | 127 |
| 2020 | 55 | 5 | 60 |
| 2019 | 73 | 6 | 79 |
| 2018 | 65 | 2 | 67 |
| 2017 | 33 | 9 | 42 |
| 2016 | 21 | 7 | 28 |
| 2015 | 21 | 2 | 23 |
| 2014 | 105 | 1 | 106 |
| 2013 | 27 | — | 27 |
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 Carnac
At the median sale price, a 90 m² home costs €512,190. With 10% down and a 30-year mortgage, the payment is €1,994 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 41%
- Payment, one income
- 82%
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
- €1,292
- Owning per month
- €2,008
Figures for Morbihan: Carnac has no reliable figures of its own.
16.3% more homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 7,671
In 2022 the population fell by 21 while 19 homes were started.
- Homes started, 2022
- 19
- Population change, 2022
- −21
3.2% of the 8,944 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 3.2%
- Empty homes
- 289