Noyal-Châtillon-sur-Seiche · report
Renovation in Noyal-Châtillon-sur-Seiche
In 2025, 15% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 15%
Homes authorised in Noyal-Châtillon-sur-Seiche: 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 | 239 | 42 | 281 |
| 2024 | 1 | 15 | 16 |
| 2023 | 30 | 1 | 31 |
| 2022 | 7 | 3 | 10 |
| 2021 | 186 | 6 | 192 |
| 2020 | 40 | — | 40 |
| 2019 | 342 | 2 | 344 |
| 2018 | 285 | 1 | 286 |
| 2017 | 176 | — | 176 |
| 2016 | 170 | 1 | 171 |
| 2015 | 16 | 1 | 17 |
| 2014 | 19 | 1 | 20 |
| 2013 | 46 | 2 | 48 |
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 Noyal-Châtillon-sur-Seiche
At the median sale price, a 90 m² home costs €267,210. With 10% down and a 30-year mortgage, the payment is €1,040 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 22%
- Payment, one income
- 45%
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
- €1,144
- Owning per month
- €989
Figures for Ille-et-Vilaine: Noyal-Châtillon-sur-Seiche 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 364 while 57 homes were started: 6.4 new residents for every new home.
- New residents per new home, 2022
- 6.4
- Population change, 2022
- +364
4.3% of the 4,206 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 4.3%
- Empty homes
- 181
Public bodies signed €2.7M of housing works here in 2025, and €2.7M since 2024.
- Signed in 2025
- €2.7M
- Per resident, 2025
- €329