4'000'000
CHF4'000'000
Properties of this size are an absolute rarity in attractive residential areas. In Romanshorn, a property of around 1,916 m² awaits you with a park-like garden landscape, mature tree population, and a beautiful view of Lake Constance. A special opportunity with character and perspectives.
Object
Single-family house at Steinhaldenweg 8 in 8590 Romanshorn
Figures + Facts
6.5-room single-family house with double garage
Year of construction: 1979
Areas:
Plot: 1,916 m²
Net living area: approx. 195 m²
Basement/garage: approx. 127 m²
Attic: 20 m²
Building insurance GVTG:
Cubature: 1,747 m³
Insurance new value: CHF 1,438,000
Sales price: CHF 4,000,000
Registration costs: Each half
Availability: By arrangement
Macrolocation
8590 Romanshorn is located in the Arbon district, in the canton of Thurgau.
The population in the political municipality of Romanshorn has changed by an average of +1.2% per year over the last five years to 11,945 inhabitants (as of December 31, 2024).
The tax burden is 11.7% (canton: 10.9%).
Over the last five years, the municipality has averaged an annual residential construction activity of 1.2%, while the vacancy rate is currently 3.1% (as of June 1, 2025).
Real estate prices have changed by +22.9% over the last five years (canton: +25.5%).
Microlocation
The property at Steinhaldenweg 8 is located in an exceptionally privileged and rare residential area, close to Lake Constance.
Nestled in a quiet, well-maintained residential quarter, the location is characterized by a high level of privacy and a particularly pleasant living atmosphere. The location on a very lightly trafficked quarter street guarantees an almost undisturbed living environment and underlines the exclusive character of this microlocation.
A special quality feature is the possibility of an attractive lake view, which, in combination with the proximity to the lake, creates an exceptional residential and recreational value.
Despite the idyllic and secluded location, the center of Romanshorn, as well as shopping opportunities, kindergarten/schools, and public transport, can be reached on foot in a few minutes.
Approximate distances:
350 m to Lake Constance
400 m to the nearest bus stop (Holzenstein)
500 m to the Badi Romanshorn
600 m to the nearest shopping opportunity (Lidl)
600 m to the kindergarten Holzenstein
950 m to the secondary school
1 km to the Kantonsschule Romanshorn
1.1 km to the Primarschule Zelgli
1.4 km to the Romanshorn train station
6.3 km to the A23 motorway entrance
17.5 km to Germany (Friedrichshafen)
18.2 km to Germany (Konstanz)
22 km to St. Gallen
Overall, it is an exceptional and sought-after location with a high rarity value and corresponding long-term potential.
Property
Land register Romanshorn
Parcels 2574 + 767
Plan no. 19
Hinderloo
959 m²
Residential building Assek. No. 520.2147, Steinhaldenweg 8, 8590 Romanshorn [171 m²] underground building part Assek. No. 520.2147 (underground) [58 m²] garden design [788 m²], building [171 m²] mutation no. 2828, September 23, 2021, entry 3088a
957 m²
Garden design [957 m²]
According to the inventory of the heritage preservation and the electronic cadaster of the burdened sites (KbS), there are no entries.
Building regulations, usage reserves
The plots No. 2574 + 767 are located in the residential zone W 2 according to the building and zoning regulations.
The building regulations do not specify a utilization factor for the residential zone W 2.
Construction
1.5-story solid construction
Concrete and double-shell masonry
Facades plastered
Basement, concrete surroundings, partially developed, insulated, heated, and air-conditioned
Hipped roofs with dormer windows, developed and insulated, with bibber tile roofing, copper roofing work
Technology
Heating and hot water via oil heating and hot water boiler, Hoval, 2007
In the tank room, steel tank with 7,100 l
Heat distribution via underfloor heating and radiators
Wood-aluminum-IV windows and plastic-IV windows in the winter garden, roller shutters with electric drive
Alarm system
Stairlift
Air conditioning in the basement
Equipment
Recirculation fireplace
Kitchen, demodernized
Newer barrier-free bathroom on the ground floor with shower, toilet, and sink
The other bathrooms are demodernized
Floors: marble, carpet, parquet, plates, and Novilon
Walls: abrasion and paneling
Ceilings: smooth plaster and paneling
Sectional doors with electric drive
Renovations
The following larger investments were made for around CHF 500,000 in recent years:
2014
Expansion of the basement
2016
New construction of the winter garden
2019
Renovation of the bathroom on the ground floor
Environment and access
Towards the south, an exceptionally spacious and park-like environment with old tree population and a lot of privacy extends.
North-side house entrance with garage access and parking possibilities for around 5 vehicles.
Room program
Basement
Entrance
Entrance hall and staircase
Apartment with mini-kitchen and bathroom with WC/shower/sink heating room, behind
Tank room
Household cellar with passage to the
very large air-conditioned multipurpose room
Laundry room
Air raid shelter
Storage room
Double garage with two sectional doors
Ground floor
Large entrance hall with direct access to the covered garden seat and garden staircase
Bathroom with WC/sink and threshold-free shower
Winter garden
Study
Utility room (separate external access)
Dining room
Kitchen 1-front and eating corner
Living room with recirculation fireplace
Attic
Large entrance hall with direct access to the covered garden seat and garden staircase
Bathroom with WC/sink and threshold-free shower
Winter garden
Study
Utility room (separate external access)
Dining room
Kitchen 1-front and eating corner
Living room with recirculation fireplace
The asking price is 209.5% above the median of .
This listingCHF 4'000'000
CHF 1'292'500
Median
Is there room to negotiate?
A typical listing stays on the market for about 28 days. 2.1% of active listings have cut their asking price in the last 90 days.
Steinhaldenweg 8 8590 Romanshorn
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52% built-up area within 500 m.
Many households of three or more · around 27 people in the neighbourhood.
163 %
Lower than 3% of municipalities in the canton
ESTV · 2026
CHF 12'275 income tax a year · Single person without children, gross wage CHF 100'000
South-west 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
37 dB
Loudest source
Rail
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 over 90% of the buildings around
In the network models of 3 operators.
Mobile: as of 2026