Estimate renovation costs in Gränichen

Local housing stock

In Gränichen, the federal building register lists 2'024 residential buildings and 3'867 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.

57 %built before 1980

56 %heated by oil or gas

56.3 %electric hot water

0.7 %with declared solar thermal

Age of residential buildings

57 % built before 1980

Before 191911 %
1919–194513 %
1946–196014 %
1961–197010 %
1971–19809 %
1981–199012 %
1991–200010 %
2001–201010 %
Since 201112 %

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

Main heating energy

50 % · Heating oil

Heating oil50 %
Heat pump33 %
Wood7 %
Gas6 %
Electricity4 %

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

Heating and hot water: which energies?

Energy	Heating	Hot water
Gas	6 %	2.7 %
Heating oil	50 %	31.1 %
Heat pump	33 %	6.4 %
Electricity	4 %	56.3 %
Wood	7 %	2.5 %

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)60.4 %
Heat pump32.9 %
Central electric heating3.1 %
Stove2.1 %
Direct electric heaters0.5 %

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

Houses or apartment buildings?

Single-family houses78.1 %
Two-dwelling houses8.9 %
Apartment buildings (3+)12.9 %

6.1 % of buildings mix housing with shops or offices.

The typical building

storeys (median): 2
median footprint: 118 m²
median dwelling area: 108 m²

Dwellings by number of rooms

1.2 %1 rm

8.5 %2 rm

23.1 %3 rm

31.5 %4 rm

35.7 %5+ rm

Dwellings per building

1 dwelling78.1 %
2 to 412.2 %
5 to 97 %
10 to 192.4 %
20 or more0.3 %

Renovations, heritage and volumes

For your renovation plans in Gränichen, official registers indicate that 488 buildings are subject to heritage protection, making it essential to contact municipal authorities early regarding necessary permits. Regarding building size, the median volume for 26 measured houses is 921 m3 according to the SIA 416 standard, providing a vital reference point for scaling insulation and heating upgrades. Please note that data coverage is partial, as 1555 houses currently lack measurements based on this specific standard. Evaluating these figures carefully will help you prepare an accurate budget and ensure your renovation project proceeds smoothly within local requirements.

488

buildings flagged as protected

status known for 2'024 of 2'024 buildings; check with the municipality

921 m³

median house volume (SIA 416)

measured for 26 of 1'581 houses

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

Renovating in Gränichen: what to know

Planning works in Gränichen, 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 Gränichen