Montigny-le-Bretonneux · report
Renovation in Montigny-le-Bretonneux
In 2025, 0% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 0%
Homes authorised in Montigny-le-Bretonneux: 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 | 41 | — | 41 |
| 2024 | 3 | — | 3 |
| 2023 | 49 | — | 49 |
| 2022 | 55 | — | 55 |
| 2021 | 36 | — | 36 |
| 2020 | 10 | 1 | 11 |
| 2019 | 225 | 4 | 229 |
| 2018 | 19 | 4 | 23 |
| 2017 | 1 | — | 1 |
| 2016 | 333 | 1 | 334 |
| 2015 | 66 | 2 | 68 |
| 2014 | 155 | 7 | 162 |
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 Montigny-le-Bretonneux
At the median sale price, a 90 m² home costs €344,610. With 10% down and a 30-year mortgage, the payment is €1,341 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 24%
- Payment, one income
- 47%
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
- €1,771
- Owning per month
- €1,203
Figures for Yvelines: Montigny-le-Bretonneux has no reliable figures of its own.
12.7% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 7,492
4.0% of the 15,677 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 4.0%
- Empty homes
- 621