Key location factors for La Sonnaz at a glance.
La Sonnaz is predominantly a single-family housing area: 74 % of residential buildings are single-family homes, 10 % have 2 units.
The median build year 2014 is above the Swiss average (1991). 2 % of buildings date from before 1980.
Heat pumps are recorded in 21 % of updated GWR entries (from 2015).
Source: Own analysis of public Swiss real estate data · July 2026 · Net rent excl. utilities
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Noise, sunlight and public transport vary significantly within La Sonnaz — street by street. Check a specific address:
Rents in the range of CHF 20-25/m²/mo. serve as a reference value for market-rate listings in La Sonnaz. Individual listings may vary significantly depending on location, condition, and floor.
Rental prices in La Sonnaz are currently typically in the range CHF 20-25 per m² per month (range depending on location, condition and floor). A 70 m² apartment thus comes to roughly CHF 1,450–1,700 per month as net cold rent — the effective market range starts lower for small apartments and rises disproportionately for large ones.
The m² price for owner-occupied apartments in La Sonnaz is typically in the range CHF 6'700-7'500 per m². The actual range depends heavily on location, year built, finish standard and views.
The m² price for houses in La Sonnaz is typically in the range CHF 5'800-7'500 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 La Sonnaz is 20.1 % on income — for a gross income of CHF 150,000 (single, without church tax) this amounts to roughly CHF 30,200 per year. The Swiss median is 19.8 %; the burden in La Sonnaz is above. Source: Swiss Federal Tax Administration tax burden statistics 2025.
No — in La Sonnaz the share of second homes is 10.2 %, 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 La Sonnaz the median is around CHF 7'058 per m² for condominiums. A realistic estimate also factors in location, year of construction, condition, fit-out quality and view. For a free, property-specific indication you can use the Immoskop analysis tool: enter the address and property details to receive a data-based reference value — as guidance, not a substitute for an official or bank-verified valuation.
Comparison with neighbouring municipalities — purchase price difference to La Sonnaz colour-coded.
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