Estimate renovation costs in Obersiggenthal

Local housing stock

In Obersiggenthal, the federal building register lists 1'533 residential buildings and 4'168 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.

61 %built before 1980

55 %heated by oil or gas

40.3 %electric hot water

1 %with declared solar thermal

Age of residential buildings

61 % built before 1980

Before 19197 %
1919–19458 %
1946–196016 %
1961–197013 %
1971–198017 %
1981–199010 %
1991–200011 %
2001–201011 %
Since 20116 %

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

Main heating energy

47 % · Heating oil

Heating oil47 %
Heat pump23 %
District heating16 %
Gas8 %
Wood4 %
Electricity2 %

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

Heating and hot water: which energies?

Energy	Heating	Hot water
Gas	8 %	5.6 %
Heating oil	47 %	32.1 %
District heating	16 %	10.7 %
Heat pump	23 %	7.8 %
Electricity	2 %	40.3 %
Wood	4 %	2.1 %

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)56.8 %
Heat pump22.8 %
Heat exchanger (district)16.3 %
Central electric heating2.1 %
Stove1.4 %

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

Houses or apartment buildings?

Single-family houses66.7 %
Two-dwelling houses9.8 %
Apartment buildings (3+)23.5 %

6.4 % of buildings mix housing with shops or offices.

The typical building

storeys (median): 2
median footprint: 120 m²
median dwelling area: 97 m²

Dwellings by number of rooms

4.5 %1 rm

12.1 %2 rm

26.4 %3 rm

28.1 %4 rm

28.9 %5+ rm

Dwellings per building

1 dwelling66.7 %
2 to 416.7 %
5 to 910.4 %
10 to 195.9 %
20 or more0.3 %

Renovations, heritage and volumes

For homeowners in Obersiggenthal, the building registry data provides essential guidance for planning renovations. With 370 buildings under heritage protection, it is vital to contact the municipality early to navigate permit requirements for any exterior work. Regarding project scale, data coverage is currently partial; the measured volume according to SIA 416 standards is unknown for all 1022 houses, and the renovation year is not recorded. Consequently, owners should prioritize a professional site inspection to assess heating and insulation needs accurately, as these specific official figures are not available to support standardized planning or preliminary budget estimates.

370

buildings flagged as protected

status known for 1'533 of 1'533 buildings; check with the municipality

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

Renovating in Obersiggenthal: what to know

Planning works in Obersiggenthal, canton of Aargau? 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 Obersiggenthal