Châteaugiron · report
Renovation in Châteaugiron
In 2025, 2% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 2%
Homes authorised in Châteaugiron: 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 | 268 | 6 | 274 |
| 2024 | 105 | 10 | 115 |
| 2023 | 24 | 11 | 35 |
| 2022 | 161 | — | 161 |
| 2021 | 104 | 57 | 161 |
| 2020 | 89 | 1 | 90 |
| 2019 | 65 | 2 | 67 |
| 2018 | 234 | 1 | 235 |
| 2017 | 114 | 3 | 117 |
| 2016 | 70 | 8 | 78 |
| 2015 | 59 | 2 | 61 |
| 2014 | 109 | — | 109 |
| 2013 | 102 | — | 102 |
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 Châteaugiron
At the median sale price, a 90 m² home costs €257,130. With 10% down and a 30-year mortgage, the payment is €1,001 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 20%
- Payment, one income
- 40%
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
- €1,189
- Owning per month
- €998
Figures for Ille-et-Vilaine: Châteaugiron has no reliable figures of its own.
17.6% more homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 12,128
In 2022 the population grew by 157 while 113 homes were started: 1.4 new residents for every new home.
- New residents per new home, 2022
- 1.4
- Population change, 2022
- +157
4.8% of the 4,592 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 4.8%
- Empty homes
- 220
Public bodies signed €14.8K of housing works here in 2024, and €14.8K since 2024.
- Signed in 2024
- €14.8K
- Per resident, 2024
- €1