L'Île-d'Olonne · report
Renovation in L'Île-d'Olonne
In 2025, 17% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 17%
Homes authorised in L'Île-d'Olonne: 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 | 24 | 5 | 29 |
| 2024 | 11 | 1 | 12 |
| 2023 | 20 | — | 20 |
| 2022 | 18 | 1 | 19 |
| 2021 | 20 | — | 20 |
| 2020 | 18 | 1 | 19 |
| 2019 | 20 | 1 | 21 |
| 2018 | 27 | — | 27 |
| 2017 | 31 | — | 31 |
| 2016 | 18 | 1 | 19 |
| 2015 | 11 | 1 | 12 |
| 2014 | 12 | — | 12 |
| 2013 | 14 | — | 14 |
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 L'Île-d'Olonne
At the median sale price, a 90 m² home costs €291,600. With 10% down and a 30-year mortgage, the payment is €1,135 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 25%
- Payment, one income
- 51%
Figures for Vendée: L'Île-d'Olonne has no reliable figures of its own.
16.8% more homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 8,026
In 2022 the population fell by 3 while 13 homes were started.
- Homes started, 2022
- 13
- Population change, 2022
- −3
6.8% of the 1,539 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 6.8%
- Empty homes
- 104