CHF 660’030
St. Gallen, St. Gallen
4.5 rooms · 80 m²
1 / 9
CHF 390’000
Active
Hauptstrasse 27
9434 Au SG, St. Gallen
Rooms
3.5 rooms
Living area
74 m²
Type
Apartment
Price per m²
CHF 5’270/m²
On Alpine Market since
10 Jul 2026
Description
LAGEZentrale Lage mit optimaler VerkehrsanbindungSchöne Weitsicht und ganztägige B…
Estimated monthly payment
CHF 816/month
10-year fixed · 1.89% per year
moneyland.ch Swiss Mortgage Index, average 10-year fixed rate, as of 6 Aug 2026
CHF 575/month
SARON · 0.96% per year
Assumes 20% down, a first mortgage up to 65% of the price with no amortisation, and the portion above 65% amortised over 15 years. Interest only, before tax.
Lender affordability test
CHF 1’950/month
Swiss lenders test a loan at an imputed 5% interest rate plus 1% of the price a year for upkeep, plus amortisation. This is the test figure, not what you would pay.
Adjust the assumptions
Condominium charges and other running costs, if you know them.
Your rate · 1.89% per year
CHF 816/month
- Interest:
- CHF 491/month
- Amortisation:
- CHF 325/month
- Charges:
- CHF 0/month
- First mortgage:
- CHF 253’500
- Second mortgage:
- CHF 58’500
An illustration, not an offer. Real rates depend on the lender, the property and your own situation. Nothing you enter here is saved.
Price history
- 10 Jul 2026CHF 390’000Initial price
Sale history
No recorded sale history shown yet. Swiss registers publish transfers by land parcel rather than by street address, so linking them to an individual property needs cadastral data we are still adding.
Market activity
Listed on immostreet
For sale
10 Jul 2026
Sources and confidence
- Federal building register (EGID)Official
1085117
Source: Federal Office of Topography swisstopo (from BFS GWR/RegBL)Licence: OGD (opendata.swiss terms: free use with source attribution, commercial use permitted)99% confidence - Official AddressOfficial
Hauptstrasse 27, 9434 Au SG
Source: Federal Office of Topography swisstopo (from BFS GWR/RegBL)Licence: OGD (opendata.swiss terms: free use with source attribution, commercial use permitted)99% confidence
Listing history
First seen
10 Jul 2026
Days observed by Alpine Market
112
Status
Active
Alpine Estimate
CHF 501’535
Range: CHF 359’011 to CHF 728’382
Lower-confidence estimate
Confidence: 58%Based on 110 comparablesAs of 25 Oct 2026
Alpine model estimate from asking-price comparables, not a seller price.
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