Calais · report
Renovation in Calais
In 2025, 23% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 23%
Homes authorised in Calais: 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 | 340 | 101 | 441 |
| 2024 | 341 | 208 | 549 |
| 2023 | 177 | 17 | 194 |
| 2022 | 215 | 76 | 291 |
| 2021 | 99 | 29 | 128 |
| 2020 | 156 | 19 | 175 |
| 2019 | 56 | 24 | 80 |
| 2018 | 87 | 26 | 113 |
| 2017 | 75 | 10 | 85 |
| 2016 | 53 | 29 | 82 |
| 2015 | 115 | 22 | 137 |
| 2014 | 78 | 22 | 100 |
| 2013 | 346 | 22 | 368 |
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 Calais
At the median sale price, a 90 m² home costs €151,560. With 10% down and a 30-year mortgage, the payment is €590 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 17%
- Payment, one income
- 35%
Owning a 90 m² apartment costs less each month than renting 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
- €1,041
- Owning per month
- €724
Figures for Pas-de-Calais: Calais has no reliable figures of its own.
11.4% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 6,067
In 2022 the population fell by 14 while 64 homes were started.
- Homes started, 2022
- 64
- Population change, 2022
- −14
9.8% of the 36,524 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 9.8%
- Empty homes
- 3,581
Public bodies signed €3.7M of housing works here in 2025, and €3.7M since 2024.
- Signed in 2025
- €3.7M
- Per resident, 2025
- €54