Trets · report
Renovation in Trets
In 2025, 1% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 1%
Homes authorised in Trets: 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 | 141 | 1 | 142 |
| 2024 | 105 | 9 | 114 |
| 2023 | 29 | 1 | 30 |
| 2022 | 150 | — | 150 |
| 2021 | 431 | 4 | 435 |
| 2020 | 46 | 7 | 53 |
| 2019 | 40 | 1 | 41 |
| 2018 | 19 | 6 | 25 |
| 2017 | 65 | — | 65 |
| 2016 | 15 | 1 | 16 |
| 2015 | 17 | 12 | 29 |
| 2014 | 20 | 6 | 26 |
| 2013 | 71 | 20 | 91 |
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 Trets
At the median sale price, a 90 m² home costs €355,950. With 10% down and a 30-year mortgage, the payment is €1,385 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 29%
- Payment, one income
- 59%
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
- €1,356
- Owning per month
- €1,171
Figures for Bouches-du-Rhône: Trets has no reliable figures of its own.
24.5% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 8,951
In 2022 the population grew by 13 while 209 homes were started: 0.1 new residents for every new home.
- New residents per new home, 2022
- 0.1
- Population change, 2022
- +13
5.8% of the 5,385 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 5.8%
- Empty homes
- 314