Buy · House
RTAG Immobilien & Treuhand Neubauprojekt Doppeleinfamilienhaus [Totalrenovation]
9434 Au SG · Approximate location: postcode 9434
On Heimster since 27 October 2026 · last checked 31 October 2026
- Price
- CHF 1'300'000
- CHF 9'286 per m²
- Area
- 140 m²
- Type
- House
Photos, description and documents are on RT Immobilien Treuhand AG’s website. Heimster shows the key facts – and everything we know about the location.
What is within walking distance.
The agency only names postcode 9434 – so we don’t show distances from the building.
At this address.
Modelled values from public data sources – an estimate, not a guarantee.
Microclimate
1'667
Sunshine hours / year (region)
35
Fog days / year
60
Summer days ≥25°C
60
Snow days / year
Ø 10.4°C · July 19.5°C · January 1.4°C · precipitation 1190 mm/year
Climate values: MeteoSwiss climate normals 1991–2020 (1 km grid for temperature + precipitation; sunshine from the NBCN network, IDW-interpolated; summer, frost and snow days derived from grid temperatures). Individual values may differ.
How the price compares.
Vacancy rate in Au
1.53 %
Figures 2026, Leerwohnungszählung.
Income and wealth tax on a CHF 100,000 income in Au (SG)
CHF 10'260
Price comparison
CHF 9'286 /m² – compared with 13 comparable offers within 5 km
This listing
CHF 9'286
Average
CHF 7'845
Median
CHF 8'061
Number of comparable listings
CHF /m²
What buying costs per year.
- Equity (20%)
- CHF 260'000
- Mortgage (80%)
- CHF 1'040'000
- Imputed cost per year
- CHF 76'556
- Gross income needed
- CHF 229'667
Banks’ rule of thumb: 5% imputed interest, 1% maintenance and amortisation to two thirds of the value within 15 years; the costs should not exceed a third of income. Your bank calculates individually.
