Saint-Martin-Boulogne · report
Renovation in Saint-Martin-Boulogne
In 2025, 7% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 7%
Homes authorised in Saint-Martin-Boulogne: 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 | 28 | 2 | 30 |
| 2024 | 156 | 125 | 281 |
| 2023 | 65 | 14 | 79 |
| 2022 | 99 | 1 | 100 |
| 2021 | 11 | 2 | 13 |
| 2020 | 12 | — | 12 |
| 2019 | 161 | 1 | 162 |
| 2018 | 13 | 1 | 14 |
| 2017 | 2 | 2 | 4 |
| 2016 | 4 | — | 4 |
| 2015 | 89 | — | 89 |
| 2014 | 4 | — | 4 |
| 2013 | 7 | 2 | 9 |
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 Saint-Martin-Boulogne
At the median sale price, a 90 m² home costs €179,280. With 10% down and a 30-year mortgage, the payment is €698 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
- €1,085
- Owning per month
- €793
Figures for Pas-de-Calais: Saint-Martin-Boulogne 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 148 while 108 homes were started.
- Homes started, 2022
- 108
- Population change, 2022
- −148
8.1% of the 5,694 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 8.1%
- Empty homes
- 463
Public bodies signed €2.4M of housing works here in 2024, and €2.4M since 2024.
- Signed in 2024
- €2.4M
- Per resident, 2024
- €225