Key location factors for Therwil at a glance.
Source: third-party market data · July 2026 · asking rents from listings
Therwil is predominantly a single-family housing area: 80 % of residential buildings are single-family homes, 3 % have 2 units.
The median build year 1979 is below the Swiss average (1991). 50 % of buildings date from before 1980.
Heat pumps are recorded in 2 % of updated GWR entries (from 2015).
Taxes, health insurance, housing costs and commute times — for every Swiss municipality.
Der Quadratmeterpreis für Eigentumswohnungen liegt bei CHF 9'463 und damit höher als in 85% aller Schweizer Gemeinden. Bei den Mieten liegt Therwil mit CHF 39.6 pro m2 und Monat sogar höher als in 97% aller Gemeinden.
Die Leerwohnungsziffer lag 2025 bei 0.86%, was als knapper Markt eingestuft wird. Freie Wohnungen sind entsprechend selten.
Für eine alleinstehende Person mit CHF 150'000 Bruttoeinkommen liegt die Steuerbelastung bei 20.3%, was CHF 30'469 entspricht (ohne Kirchensteuer). Das ist höher als in 58% aller Schweizer Gemeinden.
Im Umkreis von Therwil gibt es mehr unversiegelte Fläche als bei 96% aller Schweizer Gemeinden. Innerhalb der Gemeinde selbst teilt sich die Fläche in 30% Siedlung, 24% Wald und 45% Landwirtschaft.
Therwil zählt rund 10'125 Einwohner, die Bevölkerung ist in den letzten 5 Jahren um 2.1% gewachsen. 24.9% der Bevölkerung sind 65 Jahre oder älter, 17.2% sind unter 15 Jahre alt.
Rents in the range of CHF 36-43/m²/mo. serve as a reference value for market-rate listings in Therwil. Individual listings may vary significantly depending on location, condition, and floor.
Rental prices in Therwil are currently typically in the range CHF 36-43 per m² per month (range depending on location, condition and floor). A 70 m² apartment thus comes to roughly CHF 2,550–3,000 per month — the effective market range starts lower for small apartments and rises disproportionately for large ones.
The m² price for owner-occupied apartments in Therwil is typically in the range CHF 8'900-10'000 per m². The actual range depends heavily on location, year built, finish standard and views.
The m² price for houses in Therwil is typically in the range CHF 8'000-10'300 per m² (defensive range ±12 %). House prices vary considerably depending on plot size, buildability and micro-location within the municipality — a direct m² comparison serves only as an initial orientation.
The effective tax burden in Therwil is 20.3 % on income — for a gross income of CHF 150,000 (single, without church tax) this amounts to roughly CHF 30,469 per year. The Swiss median is 19.8 %; the burden in Therwil is above. Source: Swiss Federal Tax Administration tax burden statistics 2025.
No — in Therwil the share of second homes is 7.6 %, below the 20 % threshold. The second-home law does not apply here, and new second homes are generally permitted. Source: Federal Office for Spatial Development (ARE), 2025.
A first reference point is the local price per square metre: in Therwil the median is around CHF 9'463 per m² for condominiums. A realistic estimate also factors in location, year of construction, condition, fit-out quality and view. How the price compares with other municipalities is shown by the Immoskop municipality comparison: all 2’110 municipalities by housing costs, taxes and health insurance premiums — as guidance, not a substitute for an official or bank-verified valuation.
Municipalities nearby, ordered by driving time — purchase price difference to Therwil colour-coded.
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