Romilly-sur-Seine · report
Renovation in Romilly-sur-Seine
In 2025, 37% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 37%
Homes authorised in Romilly-sur-Seine: 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 | 19 | 11 | 30 |
| 2024 | 34 | 9 | 43 |
| 2023 | 13 | 4 | 17 |
| 2022 | 14 | 16 | 30 |
| 2021 | 14 | 7 | 21 |
| 2020 | 15 | 49 | 64 |
| 2019 | 8 | 4 | 12 |
| 2018 | 38 | 5 | 43 |
| 2017 | 8 | — | 8 |
| 2016 | 14 | 3 | 17 |
| 2015 | 13 | 6 | 19 |
| 2014 | 45 | — | 45 |
| 2013 | 81 | 1 | 82 |
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 Romilly-sur-Seine
At the median sale price, a 90 m² home costs €106,560. With 10% down and a 30-year mortgage, the payment is €415 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 13%
- Payment, one income
- 25%
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
- €790
- Owning per month
- €286
Figures for Aube: Romilly-sur-Seine has no reliable figures of its own.
41.7% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 740
In 2022 the population grew by 208 while 13 homes were started: 16.0 new residents for every new home.
- New residents per new home, 2022
- 16.0
- Population change, 2022
- +208
11.1% of the 7,937 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 11.1%
- Empty homes
- 884