Estimate renovation costs in Gaiserwald

Local housing stock

In Gaiserwald, the federal building register lists 1'782 residential buildings and 4'028 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.

45 %built before 1980

47 %heated by oil or gas

5.8 %electric hot water

4.9 %with declared solar thermal

Age of residential buildings

45 % built before 1980

Before 19195 %
1919–19457 %
1946–19602 %
1961–197012 %
1971–198019 %
1981–199019 %
1991–200013 %
2001–201011 %
Since 201111 %

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

Main heating energy

44 % · Heat pump

Heat pump44 %
Heating oil38 %
Gas9 %
District heating4 %
Wood4 %
Electricity1 %

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

Heating and hot water: which energies?

Energy	Heating	Hot water
Gas	9 %	8.5 %
Heating oil	38 %	33 %
District heating	4 %	4 %
Heat pump	44 %	41.8 %
Electricity	1 %	5.8 %
Wood	4 %	2 %
Solar thermal	0 %	4.9 %

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)50.3 %
Heat pump44.3 %
Heat exchanger (district)4 %
Central electric heating0.7 %
Condensing boiler0.5 %

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

Houses or apartment buildings?

Single-family houses70.1 %
Two-dwelling houses8.6 %
Apartment buildings (3+)21.3 %

7.6 % of buildings mix housing with shops or offices.

The typical building

storeys (median): 2
median footprint: 131 m²
median dwelling area: 105 m²

Dwellings by number of rooms

1.2 %1 rm

7 %2 rm

19.9 %3 rm

30.4 %4 rm

41.5 %5+ rm

Dwellings per building

1 dwelling70.1 %
2 to 415.3 %
5 to 912.1 %
10 to 192.5 %
20 or more0.1 %

Renovations, heritage and volumes

For your renovation project in Gaiserwald, RegBL data provides essential guidance despite partial coverage. With 23 buildings officially under heritage protection out of 53 known cases, you must contact the local authorities early to understand specific permit requirements before starting. Furthermore, for houses measured according to SIA 416, the median volume is 1204 m3. Understanding this scale is critical for homeowners when planning appropriate heating system upgrades and insulation improvements. Utilizing these official figures helps ensure your project complies with local regulations while allowing for accurate cost estimation and effective energy planning throughout the entire renovation process.

23

buildings flagged as protected

status known for 53 of 1'782 buildings; check with the municipality

1'204 m³

median house volume (SIA 416)

measured for 1 of 1'249 houses

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

Renovating in Gaiserwald: what to know

Planning works in Gaiserwald, canton of St. Gallen? 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 Gaiserwald