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St. Gallen

Renovation works in Wattwil

Local housing stock

In Wattwil, the federal building register lists 1'908 residential buildings and 4'480 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.

72 %built before 1980
49 %heated by oil or gas
30.2 %electric hot water
5.7 %with declared solar thermal

Age of residential buildings

72 % built before 1980

  • Before 191935 %
  • 1919–194510 %
  • 1946–196010 %
  • 1961–19709 %
  • 1971–19808 %
  • 1981–19908 %
  • 1991–20008 %
  • 2001–20104 %
  • Since 20118 %

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

Main heating energy

30 % · Gas

  • Gas30 %
  • Heat pump22 %
  • Wood22 %
  • Heating oil19 %
  • District heating5 %
  • Electricity2 %

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

Heating and hot water: which energies?

EnergyHeatingHot water
Gas30 %19.9 %
Heating oil19 %11.7 %
District heating5 %4.2 %
Heat pump22 %21.4 %
Electricity2 %30.2 %
Wood22 %6.9 %
Solar thermal0 %5.7 %

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)69 %
  • Heat pump22.3 %
  • Heat exchanger (district)4.6 %
  • Central electric heating1.7 %
  • Condensing boiler1.5 %
  • Direct electric heaters0.8 %

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

Houses or apartment buildings?

  • Single-family houses68.6 %
  • Two-dwelling houses12.6 %
  • Apartment buildings (3+)18.8 %

18.5 % of buildings mix housing with shops or offices.

The typical building

storeys (median)
3
median footprint
118 m²
median dwelling area
95 m²

Dwellings by number of rooms

3.9 %1 rm
12.3 %2 rm
24.3 %3 rm
26.2 %4 rm
33.2 %5+ rm

Dwellings per building

  • 1 dwelling68.6 %
  • 2 to 420.2 %
  • 5 to 97.5 %
  • 10 to 192.6 %
  • 20 or more1 %

Renovations, heritage and volumes

For your renovation projects in Wattwil, the official building register provides vital insights. With 28 buildings listed under heritage protection out of 55 known cases, it is essential to contact the municipality early to discuss permit requirements, though note that data coverage is partial. Regarding building scale, which is critical for planning insulation and heating upgrades, the median house volume for the 8 structures measured under the SIA 416 standard is 1292 m3. Utilizing these figures allows you to accurately assess the scope of work and navigate regulatory expectations effectively before starting your renovation in this municipality.

28
buildings flagged as protected
status known for 55 of 1'908 buildings; check with the municipality
1'292 m³
median house volume (SIA 416)
measured for 8 of 1'309 houses

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

Renovating in Wattwil: what to know

Planning works in Wattwil, 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.

Choose your works in Wattwil

Nearby municipalities : St. Gallen · Wil (SG) · Rapperswil-Jona · Gossau (SG) · Buchs (SG) · Altstätten · Flawil · Uzwil