Zurich

Renovation works in Thalwil

Local housing stock

In Thalwil, the federal building register lists 2'342 residential buildings and 9'309 dwellings. These municipal benchmarks help put your home in context, but do not replace an individual assessment.

63 %built before 1980
67 %heated by oil or gas
16 %electric hot water
1.4 %with declared solar thermal

Age of residential buildings

63 % built before 1980

  • Before 191918 %
  • 1919–194511 %
  • 1946–196012 %
  • 1961–19708 %
  • 1971–198014 %
  • 1981–199011 %
  • 1991–20009 %
  • 2001–20108 %
  • Since 20119 %

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

Main heating energy

37 % · Gas

  • Gas37 %
  • Heating oil30 %
  • Heat pump24 %
  • District heating4 %
  • Electricity3 %
  • Wood1 %

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

Heating and hot water: which energies?

EnergyHeatingHot water
Gas37 %40.8 %
Heating oil30 %26 %
District heating4 %5 %
Heat pump24 %8.9 %
Electricity3 %16 %
Wood1 %0.4 %
Solar thermal0 %1.6 %

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)64.8 %
  • Heat pump24.3 %
  • Heat exchanger (district)4.5 %
  • Central electric heating2.4 %
  • Stove1.9 %
  • Condensing boiler1.3 %
  • Direct electric heaters0.9 %

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

Houses or apartment buildings?

  • Single-family houses44.8 %
  • Two-dwelling houses6 %
  • Apartment buildings (3+)49.2 %

11.2 % of buildings mix housing with shops or offices.

The typical building

storeys (median)
3
median footprint
152 m²
median dwelling area
90 m²

Dwellings by number of rooms

5 %1 rm
16.5 %2 rm
29.1 %3 rm
29.5 %4 rm
19.8 %5+ rm

Dwellings per building

  • 1 dwelling44.8 %
  • 2 to 421.5 %
  • 5 to 925.1 %
  • 10 to 197.9 %
  • 20 or more0.7 %

Renovations, heritage and volumes

For homeowners planning renovations in Thalwil, official building register data provides crucial insights. With a median building volume of 800 m3 measured according to SIA 416 standards, owners can better estimate the scope of heating or insulation upgrades. Note that this volume data is only partially covered, representing 13 out of 1050 houses. We strongly recommend contacting the municipality early in your planning process to discuss your specific property requirements. By addressing these structural details before you begin, you ensure that your renovation budget is accurate and that your project aligns perfectly with local building standards.

0
buildings flagged as protected
status known for 32 of 2'342 buildings; check with the municipality
800 m³
median house volume (SIA 416)
measured for 13 of 1'050 houses

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

Renovating in Thalwil: what to know

Planning works in Thalwil, canton of Zurich? 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 Thalwil

Nearby municipalities : Winterthur · Zürich · Uster · Dübendorf · Wetzikon (ZH) · Wädenswil · Horgen · Dietikon