Saint-Martin-de-Seignanx · report
Renovation in Saint-Martin-de-Seignanx
In 2025, 26% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 26%
Homes authorised in Saint-Martin-de-Seignanx: 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 | 17 | 6 | 23 |
| 2024 | 71 | 1 | 72 |
| 2023 | 37 | 3 | 40 |
| 2022 | 24 | 8 | 32 |
| 2021 | 121 | 1 | 122 |
| 2020 | 12 | 3 | 15 |
| 2019 | 90 | — | 90 |
| 2018 | 56 | 4 | 60 |
| 2017 | 140 | 1 | 141 |
| 2016 | 217 | 48 | 265 |
| 2015 | 119 | 2 | 121 |
| 2014 | 45 | 5 | 50 |
| 2013 | 25 | 1 | 26 |
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-de-Seignanx
At the median sale price, a 90 m² home costs €340,740. With 10% down and a 30-year mortgage, the payment is €1,326 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 30%
- Payment, one income
- 60%
Owning and renting a 90 m² apartment cost about the same each month. 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
- €1,257
- Owning per month
- €1,247
Figures for Landes: Saint-Martin-de-Seignanx has no reliable figures of its own.
23.1% more homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 5,934
In 2022 the population grew by 115 while 77 homes were started: 1.5 new residents for every new home.
- New residents per new home, 2022
- 1.5
- Population change, 2022
- +115
5.4% of the 2,980 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 5.4%
- Empty homes
- 161