Gex · report
Renovation in Gex
In 2025, 13% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 13%
Homes authorised in Gex: 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 | 7 | 1 | 8 |
| 2024 | 10 | 1 | 11 |
| 2023 | 34 | 5 | 39 |
| 2022 | 54 | 12 | 66 |
| 2021 | 180 | 2 | 182 |
| 2020 | 162 | 5 | 167 |
| 2019 | 178 | 1 | 179 |
| 2018 | 41 | — | 41 |
| 2017 | 89 | 4 | 93 |
| 2016 | 60 | 5 | 65 |
| 2015 | 67 | — | 67 |
| 2014 | 36 | 2 | 38 |
| 2013 | 404 | 13 | 417 |
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 Gex
At the median sale price, a 90 m² home costs €428,850. With 10% down and a 30-year mortgage, the payment is €1,669 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 24%
- Payment, one income
- 49%
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
- €1,906
- Owning per month
- €1,544
Figures for Ain: Gex has no reliable figures of its own.
23.3% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 4,238
In 2022 the population grew by 172 while 54 homes were started: 3.2 new residents for every new home.
- New residents per new home, 2022
- 3.2
- Population change, 2022
- +172
6.9% of the 7,208 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 6.9%
- Empty homes
- 500