La Plaine-sur-Mer · report
Renovation in La Plaine-sur-Mer
In 2025, 37% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 37%
Homes authorised in La Plaine-sur-Mer: 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 | 26 | 15 | 41 |
| 2024 | 30 | 4 | 34 |
| 2023 | 26 | 6 | 32 |
| 2022 | 33 | 8 | 41 |
| 2021 | 65 | 3 | 68 |
| 2020 | 41 | — | 41 |
| 2019 | 71 | 3 | 74 |
| 2018 | 66 | 5 | 71 |
| 2017 | 81 | 3 | 84 |
| 2016 | 94 | 1 | 95 |
| 2015 | 44 | 4 | 48 |
| 2014 | 34 | 1 | 35 |
| 2013 | 80 | 8 | 88 |
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 La Plaine-sur-Mer
At the median sale price, a 90 m² home costs €327,600. With 10% down and a 30-year mortgage, the payment is €1,275 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 28%
- Payment, one income
- 57%
Figures for Loire-Atlantique: La Plaine-sur-Mer has no reliable figures of its own.
13.1% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 10,457
In 2022 the population grew by 143 while 42 homes were started: 3.4 new residents for every new home.
- New residents per new home, 2022
- 3.4
- Population change, 2022
- +143
3.1% of the 4,633 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 3.1%
- Empty homes
- 145