Château-Thierry · report
Renovation in Château-Thierry
In 2025, 19% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 19%
Homes authorised in Château-Thierry: 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 | 95 | 22 | 117 |
| 2024 | 53 | 21 | 74 |
| 2023 | 61 | 17 | 78 |
| 2022 | 73 | 68 | 141 |
| 2021 | 160 | 14 | 174 |
| 2020 | 77 | 1 | 78 |
| 2019 | 29 | 1 | 30 |
| 2018 | 198 | 1 | 199 |
| 2017 | 118 | 7 | 125 |
| 2016 | 98 | 1 | 99 |
| 2015 | 172 | 3 | 175 |
| 2014 | 85 | — | 85 |
| 2013 | 101 | 10 | 111 |
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 Château-Thierry
At the median sale price, a 90 m² home costs €159,120. With 10% down and a 30-year mortgage, the payment is €619 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 18%
- Payment, one income
- 36%
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
- €1,070
- Owning per month
- €514
Figures for Aisne: Château-Thierry has no reliable figures of its own.
29.0% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 913
In 2022 the population grew by 29 while 48 homes were started: 0.6 new residents for every new home.
- New residents per new home, 2022
- 0.6
- Population change, 2022
- +29
9.6% of the 8,330 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 9.6%
- Empty homes
- 796