Cesson-Sévigné · report
Renovation in Cesson-Sévigné
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 Cesson-Sévigné: 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 | 984 | 13 | 997 |
| 2024 | 152 | 1 | 153 |
| 2023 | 191 | 3 | 194 |
| 2022 | 123 | 3 | 126 |
| 2021 | 603 | 3 | 606 |
| 2020 | 228 | 7 | 235 |
| 2019 | 727 | 2 | 729 |
| 2018 | 123 | 11 | 134 |
| 2017 | 393 | — | 393 |
| 2016 | 98 | — | 98 |
| 2015 | 135 | 2 | 137 |
| 2014 | 59 | 2 | 61 |
| 2013 | 111 | 6 | 117 |
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 Cesson-Sévigné
At the median sale price, a 90 m² home costs €343,170. With 10% down and a 30-year mortgage, the payment is €1,336 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 25%
- Payment, one income
- 49%
Renting a 90 m² apartment costs less each month than owning 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
- €1,206
- Owning per month
- €1,286
Figures for Ille-et-Vilaine: Cesson-Sévigné 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 685 while 430 homes were started: 1.6 new residents for every new home.
- New residents per new home, 2022
- 1.6
- Population change, 2022
- +685
4.7% of the 10,036 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 4.7%
- Empty homes
- 475
Public bodies signed €6.9M of housing works here in 2025, and €6.9M since 2024.
- Signed in 2025
- €6.9M
- Per resident, 2025
- €367