Cayeux-sur-Mer · report
Renovation in Cayeux-sur-Mer
In 2025, 92% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 92%
Homes authorised in Cayeux-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 | 1 | 12 | 13 |
| 2024 | 1 | — | 1 |
| 2022 | 2 | — | 2 |
| 2021 | 19 | 1 | 20 |
| 2019 | 29 | — | 29 |
| 2018 | 1 | — | 1 |
| 2016 | 1 | 1 | 2 |
| 2013 | 1 | — | 1 |
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 Cayeux-sur-Mer
At the median sale price, a 90 m² home costs €240,210. With 10% down and a 30-year mortgage, the payment is €935 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 24%
- Payment, one income
- 49%
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
- €987
- Owning per month
- €1,177
Figures for Somme: Cayeux-sur-Mer has no reliable figures of its own.
30.2% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 1,870
In 2022 the population fell by 28 while 1 homes were started.
- Homes started, 2022
- 1
- Population change, 2022
- −28
3.0% of the 3,539 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 3.0%
- Empty homes
- 107