Estimate renovation costs in Allschwil

Local housing stock

In Allschwil, the federal building register lists 3'468 residential buildings and 11'497 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.

67 %built before 1980

80 %heated by oil or gas

10.2 %electric hot water

4.5 %with declared solar thermal

Age of residential buildings

67 % built before 1980

Before 191910 %
1919–194520 %
1946–196013 %
1961–197011 %
1971–198013 %
1981–199011 %
1991–20004 %
2001–20109 %
Since 20119 %

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

Main heating energy

62 % · Gas

Gas62 %
Heating oil18 %
Heat pump11 %
District heating7 %
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	62 %	56 %
Heating oil	18 %	11.2 %
District heating	7 %	7.1 %
Heat pump	11 %	10.1 %
Electricity	1 %	10.2 %
Wood	1 %	0.7 %
Solar thermal	0 %	4.5 %

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)81.2 %
Heat pump10.5 %
Heat exchanger (district)7.3 %
Central electric heating1 %

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

Houses or apartment buildings?

Single-family houses60.8 %
Two-dwelling houses5.3 %
Apartment buildings (3+)33.9 %

5.5 % of buildings mix housing with shops or offices.

The typical building

storeys (median): 3
median footprint: 98 m²
median dwelling area: 82 m²

Dwellings by number of rooms

3.5 %1 rm

14.8 %2 rm

37.3 %3 rm

25.6 %4 rm

18.8 %5+ rm

Dwellings per building

1 dwelling60.8 %
2 to 413.8 %
5 to 918.4 %
10 to 195.9 %
20 or more1 %

Renovations, heritage and volumes

For renovation projects in Allschwil, official RegBL figures provide essential guidance. With 961 out of 3468 buildings under heritage protection, it is vital to contact the municipality early regarding necessary permits. The median house volume is 755 m3, which serves as a benchmark for planning the scale of heating or insulation works. Please note that for house volume, only 32 buildings were measured according to the SIA 416 standard, meaning data coverage is only partial. These indicators offer a foundation for homeowners to effectively assess the scope of future property renovations within the municipality.

961

buildings flagged as protected

status known for 3'468 of 3'468 buildings; check with the municipality

755 m³

median house volume (SIA 416)

measured for 32 of 2'109 houses

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

Renovating in Allschwil: what to know

Planning works in Allschwil, 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 Allschwil