850'000
CHF850'000
What awaits you
This attractive semi-detached house at Untere Haldenstrasse 12A offers a combination that is rare: an elevated position with unobstructable views, a spacious plot of 505 m², a balcony of approximately 20 m², and a living environment that combines tranquility, privacy, and space for development. Quiet cul-de-sac location on the edge of the forest.
The spacious balcony extends the living space outdoors and offers space for sun loungers, a dining table, plants, or simply a retreat with a distant view - a true highlight of the house.
With approximately 160 m² of net living space and a building volume of 838 m³, the property is ideal for people who appreciate space - whether for family, home office, or individual design. The living room with a fireplace forms the center of the house and creates a warm, inviting atmosphere.
The terrace at the back is fully fenced and therefore particularly animal- and child-friendly. The outdoor area offers a variety of uses: garden, relaxation, play area, or a protected place to breathe.
The house was built in 1977 and convinces with a solid building substance and a functional floor plan. An own oil heating system and a heat pump storage provide independence in heat supply.
A garage box and an outdoor parking space are included in the purchase price.
The asking price is 22.4% below the median of .
This listingCHF 850'000
CHF 1'095'000
Median
Is there room to negotiate?
A typical listing stays on the market for about 24 days. 2.7% of active listings have cut their asking price in the last 90 days.
Untere Haldenstrasse 12A 9430 St. Margrethen SG
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ARE transit class D — a car is needed for most trips.
48% built-up area within 500 m.
Small and larger households · around 34 people in the neighbourhood.
109 %
Lower than 64% of municipalities in the canton
ESTV · 2026
CHF 11'835 income tax a year · Single person without children, gross wage CHF 100'000
South-east side: a fair amount of sun
This is about the building's façades, with the shade of neighbouring buildings and the terrain. How much of it reaches a flat depends on the floor and the windows.
As of 2015
Source: Swiss Federal Office of Energy SFOE
Road and rail noise in the surroundings
Calculated from the federal noise model: the mean over the hectare (100 × 100 m) of the surroundings, model year 2021.
Night
38 dB
Loudest source
Road
Calculated level, placed on a scale of everyday sounds.
At least one pollutant is above its WHO guideline; all meet the Swiss limit.
The federal radon map estimates that at most 1% of the buildings here exceed the reference value of 300 Bq/m³.
In 50 to 90% of the buildings around
In the network models of 2 operators.
Mobile: as of 2026