Delft · report
Renovation in Delft
In 2024, 22% of the homes added came from existing buildings rather than new ones.
- Homes from existing buildings, 2024
- 22%
Homes finished in Delft, by type of work
Dwellings added each year: by new building, and in existing buildings by transformation, splitting, rebuilding or a change of use. CBS, from the buildings register.
- Conversions
- Extensions
- New buildings
Show the numbers
| Year | New buildings | Extensions | Conversions | Total |
|---|---|---|---|---|
| 2024 | 340 | — | 95 | 435 |
| 2023 | 1,245 | — | 200 | 1,445 |
| 2022 | 675 | — | 130 | 805 |
| 2021 | 705 | — | 210 | 915 |
| 2020 | 335 | — | 325 | 660 |
| 2019 | 225 | — | 220 | 445 |
| 2018 | 355 | — | 450 | 805 |
| 2017 | 765 | — | 380 | 1,145 |
| 2016 | 250 | — | 140 | 390 |
| 2015 | 265 | — | 180 | 445 |
| 2014 | 655 | — | 100 | 755 |
| 2013 | 70 | — | 65 | 135 |
CBS counts dwellings, so renovation that adds no dwelling (refurbishing, insulating) is not counted. Homes gained in existing buildings are counted gross: homes lost to merging or demolition are not taken off. From 2012.
Other reports for Delft
At the average sale price, a home costs €453,866. With 10% down and a 30-year mortgage, the payment is €1,936 a month. The Netherlands sets no single cap on the payment: each year the law fixes how much of their income a household may spend on the mortgage, by income and interest rate.
- Payment, two incomes
- 27%
- Payment, one income
- 53%
Renting the average home costs less each month than owning it. Owning counts interest, running costs and the return the deposit could earn, at the average sale price; rent is what private tenants pay on average, after housing benefit. Repaying the loan is saving, so it is left out.
- Rent per month
- €955
- Owning per month
- €1,912
158.4% more homes were licensed for construction in the last 12 months than in an average year of the past decade.
- Licensed, 12 months
- 1,289
- Per 1,000 residents
- 11.7
Sale prices have fallen by 3% or more 2 times since 1995. The deepest began in 2008.
- Deepest fall
- −12.4%
- Recovery from the low
- 48 months
In 2025 the population fell by 77 while 179 homes were finished.
- Homes finished, 2025
- 179
- Population change, 2025
- −77
5.2% of the 54,775 homes registered on 1 January 2026 had nobody living in them.
- Empty, 2026
- 5.2%
- Empty homes
- 2,830