Siena province · report
Renovation in Siena province
In 2025, 11% of the homes authorised were extensions of existing residential buildings.
- Homes in existing buildings, 2025
- 11%
Homes authorised in Siena province: new buildings and existing ones
Dwellings granted a permit each year: in new residential buildings, and by extending existing ones. ISTAT.
- Existing buildings
- New buildings
Show the numbers
| Year | New buildings | Existing buildings | Total |
|---|---|---|---|
| 2025 | 25 | 3 | 28 |
| 2024 | 49 | 1 | 50 |
| 2023 | 21 | 2 | 23 |
| 2022 | 45 | 3 | 48 |
| 2021 | 85 | 1 | 86 |
| 2020 | 20 | 12 | 32 |
| 2019 | 75 | 2 | 77 |
| 2018 | 61 | 1 | 62 |
| 2017 | 50 | 1 | 51 |
| 2016 | 94 | 7 | 101 |
| 2015 | 55 | 2 | 57 |
| 2014 | 67 | 5 | 72 |
| 2013 | 95 | 7 | 102 |
| 2012 | 236 | 10 | 246 |
| 2011 | 294 | 10 | 304 |
| 2010 | 354 | 23 | 377 |
ISTAT counts the dwellings that permits create, so renovation that adds no dwelling, including the works of the Superbonus, is not counted. A permit is permission to build, not a finished home.
Other reports for Siena province
Figures for Toscana: Siena province has no reliable figures of its own.
At the average OMI valuation, a 90 m² home costs €128,340. With 10% down and a 30-year mortgage, the payment is €522 a month. Italy sets no cap on the payment; lenders must assess each borrower's creditworthiness.
- Payment, two incomes
- 9%
- Payment, one income
- 18%
Figures for Italy: Siena province has no reliable figures of its own.
1.6% fewer homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 53,036
Valuations have fallen by 3% or more once since 2016. That fall began in 2016.
- Deepest fall
- −10.0%
- Recovery from the low
- Not yet
In 2025 the population grew by 42 while 25 new homes were granted a permit: 1.7 new residents for every new home.
- New residents per new home, 2025
- 1.7
- Population change, 2025
- +42
27.1% of the 161,845 homes counted in the 2023 census had nobody resident in them.
- Empty, 2023 census
- 27.1%
- Empty homes
- 43,874