Erdeven · report
Renovation in Erdeven
In 2025, 30% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 30%
Homes authorised in Erdeven: 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 | 14 | 6 | 20 |
| 2024 | 44 | 20 | 64 |
| 2023 | 67 | 4 | 71 |
| 2022 | 120 | 13 | 133 |
| 2021 | 80 | 6 | 86 |
| 2020 | 66 | 4 | 70 |
| 2019 | 40 | 2 | 42 |
| 2018 | 28 | 2 | 30 |
| 2017 | 25 | 7 | 32 |
| 2016 | 36 | 6 | 42 |
| 2015 | 66 | 1 | 67 |
| 2014 | 30 | — | 30 |
| 2013 | 40 | 1 | 41 |
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 Erdeven
At the median sale price, a 90 m² home costs €338,220. With 10% down and a 30-year mortgage, the payment is €1,316 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 29%
- Payment, one income
- 58%
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
- €1,156
- Owning per month
- €1,310
Figures for Morbihan: Erdeven 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 grew by 21 while 101 homes were started: 0.2 new residents for every new home.
- New residents per new home, 2022
- 0.2
- Population change, 2022
- +21
3.5% of the 3,811 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 3.5%
- Empty homes
- 135