Blendecques · report
Renovation in Blendecques
In 2025, 20% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 20%
Homes authorised in Blendecques: 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 | 8 | 2 | 10 |
| 2024 | 1 | 2 | 3 |
| 2023 | 3 | 1 | 4 |
| 2022 | 4 | — | 4 |
| 2021 | 82 | 2 | 84 |
| 2020 | 4 | 2 | 6 |
| 2019 | 8 | — | 8 |
| 2018 | 33 | 3 | 36 |
| 2017 | 2 | — | 2 |
| 2016 | 7 | 1 | 8 |
| 2013 | 4 | — | 4 |
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 Blendecques
At the median sale price, a 90 m² home costs €124,110. With 10% down and a 30-year mortgage, the payment is €483 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 13%
- Payment, one income
- 26%
Figures for Pas-de-Calais: Blendecques 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 32 while 81 homes were started.
- Homes started, 2022
- 81
- Population change, 2022
- −32
4.8% of the 2,241 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 4.8%
- Empty homes
- 108