Billom · report
Renovation in Billom
In 2025, 9% of the homes authorised were in existing buildings: conversions, extensions and changes of use.
- Homes in existing buildings, 2025
- 9%
Homes authorised in Billom: 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 | 52 | 5 | 57 |
| 2024 | 8 | 7 | 15 |
| 2023 | 54 | 5 | 59 |
| 2022 | 6 | 5 | 11 |
| 2021 | 19 | 2 | 21 |
| 2020 | 25 | 5 | 30 |
| 2019 | 20 | 5 | 25 |
| 2018 | 21 | — | 21 |
| 2017 | 13 | 1 | 14 |
| 2016 | 21 | 2 | 23 |
| 2015 | 11 | 28 | 39 |
| 2014 | 11 | 1 | 12 |
| 2013 | 13 | 1 | 14 |
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 Billom
At the median sale price, a 90 m² home costs €147,240. With 10% down and a 30-year mortgage, the payment is €573 a month. The HCSF caps it at 35% of a household's income.
- Payment, two incomes
- 14%
- Payment, one income
- 27%
Figures for Puy-de-Dôme: Billom has no reliable figures of its own.
17.2% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 3,629
In 2022 the population fell by 21 while 5 homes were started.
- Homes started, 2022
- 5
- Population change, 2022
- −21
14.5% of the 2,601 homes counted in the 2023 census stood empty, whether for sale, to let or for other reasons.
- Empty, 2023 census
- 14.5%
- Empty homes
- 376