Estimate renovation costs in Oberwil (BL)

Local housing stock

In Oberwil (BL), the federal building register lists 2'568 residential buildings and 5'579 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.

57 %built before 1980

71 %heated by oil or gas

11.1 %electric hot water

4.4 %with declared solar thermal

Age of residential buildings

57 % built before 1980

Before 19196 %
1919–19454 %
1946–19609 %
1961–197017 %
1971–198021 %
1981–199011 %
1991–200012 %
2001–201011 %
Since 20119 %

Construction year does not reveal past renovations: check the current insulation condition.

Main heating energy

50 % · Gas

Gas50 %
Heating oil21 %
Heat pump15 %
District heating11 %
Electricity1 %
Wood1 %

This distribution describes recorded buildings, not your system's consumption or efficiency.

Heating and hot water: which energies?

Energy	Heating	Hot water
Gas	50 %	46.1 %
Heating oil	21 %	13.1 %
District heating	11 %	10.5 %
Heat pump	15 %	14.2 %
Electricity	1 %	11.1 %
Wood	1 %	0.6 %
Solar thermal	0 %	4.4 %

Each line gives the share of buildings using that energy, separately for heating and for hot water. The two columns do not always reach 100%: some buildings combine two systems, or reported none.

Type of heating system

Boiler (unspecified)72.6 %
Heat pump15.4 %
Heat exchanger (district)10.6 %
Central electric heating1.3 %

A standard non-condensing boiler is usually older and less efficient.

Houses or apartment buildings?

Single-family houses74.5 %
Two-dwelling houses3.8 %
Apartment buildings (3+)21.7 %

5.1 % of buildings mix housing with shops or offices.

The typical building

storeys (median): 2
median footprint: 101 m²
median dwelling area: 103 m²

Dwellings by number of rooms

2.2 %1 rm

8.6 %2 rm

26.3 %3 rm

31.6 %4 rm

31.3 %5+ rm

Dwellings per building

1 dwelling74.5 %
2 to 49.8 %
5 to 913.6 %
10 to 191.9 %
20 or more0.2 %

Renovations, heritage and volumes

For your renovation planning in Oberwil, official register data shows that 981 buildings are protected as heritage, meaning you must contact municipal authorities early to discuss permit requirements. Regarding scale, the median house volume is 875 m3 based on the SIA 416 standard, which is essential for calculating heating and insulation needs. Please note that data coverage for building volumes is partial, as only 39 buildings have been measured under this standard out of 1912 houses identified. Homeowners should use these figures as a starting point for assessing the scope and potential costs of their specific renovation project.

981

buildings flagged as protected

status known for 2'568 of 2'568 buildings; check with the municipality

875 m³

median house volume (SIA 416)

measured for 39 of 1'912 houses

Source : OFS — RegBL (export communal complet). Existing residential buildings; percentages of recorded values.

Renovating in Oberwil (BL): what to know

Planning works in Oberwil (BL), canton of Basel-Country? Before requesting quotes, local context helps: climate drives the value of insulation and heating, cantonal rules govern boiler replacement, and tax deductions can noticeably reduce the bill.

Renovation works in Oberwil (BL)