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New build: 144 sqm attic maisonette with 60 sqm rooftop terrace in Therwil
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CHF2'660'000

4.5 rooms · 144 m² · Floor 1

4.5 room Attic flat in Therwil

4106 Therwil(postcode area)

Description

Machine translated

New build: 144 sqm attic maisonette with 60 sqm rooftop terrace in Therwil

Predestined as a retirement home or family apartment for up to two childrenThis top-modern rooftop maisonette apartment (W 4) is a dream home in every respect! It is located in a top location (AAA) in the "Gugger" in Therwil.The spacious plot guarantees the first and last sunbeam of the day. A extensive recreational area is located in the immediate vicinity of the modern building, which consists of only two free-standing modern buildings with two residential units each. This is pure luxury and privacy!It is generally known that Therwil, in addition to its attractive tax side, is also one of the most popular municipalities in the Basel-Land region in terms of schools and kindergartens. The proximity to the International School of Basel (ISB) in Reinach and Aesch also guarantees the value stability of this property. Within 10 minutes, you can reach the heart of Basel by tram. The central location allows you to reach public transportation, various shopping facilities, kindergartens, schools, and diverse leisure activities in just a few minutes' walk.The sun-drenched 4.5-room rooftop maisonette of the upper luxury class offers 144 sqm of living space plus 69 sqm of terrace space, including a 60 sqm rooftop panorama terrace on the attic floor. The entire living area is barrier-free and accessible by elevator. The apartment includes two large hobby and cellar rooms and its own laundry room (76 sqm total area, valued at CHF 70,000) as well as 2 covered bicycle/moped parking spaces. Each residential unit has a covered carport and an additional outdoor parking space allocated for sole use, which is also included in the purchase price. This generous parking offer underlines the high living comfort and everyday suitability of the propertyThe floor plan of the sun-drenched apartment is well thought out, and the living rooms with large windows will provide a lot of quality of life for a family or a retired couple.The new owners have the opportunity to design the high-quality interior according to their personal ideas and wishes. Very generous budgets are included in the purchase price for this purpose. The heart of the apartment is the 50 sqm large, sun-drenched living-dining area with an open, high-quality built-in kitchen. The sunny winter garden with an attached seating area offers a lot of privacy and quality of life. Additionally, there is a master bedroom with an en-suite bathroom and dressing room, and two further bedrooms that share another bathroom on the first living floor. In the attic floor above, which is also accessible by elevator, there is another room and, of course, the large rooftop terrace with a possible pergola and whirlpool. Here, every sunset belongs to the daily program.Another large room with daylight, located in the base floor, is predestined as a home office, teenager, or guest area. The private laundry room is also located in a separate room here.The modern property with futuristic architecture is optically and technically ahead of its time. The construction project is already approved and is characterized by a sustainable and energy-efficient construction method according to the Minergie-P standard. It includes a comfort ventilation system with controlled living room ventilation and integrated cooling function. A photovoltaic system (PW system) provides for self-generated electricity. The heat supply is environmentally friendly via a ground probe heating system.Particularly noteworthy is also that this is a "no-risk purchase", as apart from a twenty percent down payment at the notary's office until completion, no further payments are due. Only upon delivery and occupancy does the remaining purchase price become due.

Property Details

Property type
Attic flat
Living space
144 m²
Rooms
4.5
Floor
Floor 1
Year Built
2027
Published on
07.08.2025

Features

View
Wheelchair Accessible
Minergie
Elevator
Balcony
Cellar
Parking
Dishwasher
Nice View
Quiet Location
Child Friendly
Storage room
Hobby room available

Mentioned in the description

Price

Purchase Price
CHF 2'660'000
Price per m²
CHF 18'472
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Location

4106 Therwil

Nearby

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Neighbourhood

Excellent public transit

ARE transit class A — high-frequency service right at the door.

Mostly built-up

97% built-up area within 500 m.

Quiet neighbourhood

Many households of three or more · around 21 people in the neighbourhood.

Municipal tax multiplier

52 %

Lower than 92% of municipalities in the canton

ESTV · 2026

CHF 13'835 income tax a year · Single person without children, gross wage CHF 100'000

32 Rp/kWh
Noise & quiet66 dBDay
66dB

noise level by day

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

57 dB

Loudest source

Road

Louder than 96% of the 2'826 listings in the canton

LibraryRainConversationTrafficLoud

Calculated level, placed on a scale of everyday sounds.

Environment

Air within the Swiss limits

At least one pollutant is above its WHO guideline; all meet the Swiss limit.

Radon: class up to 1%

The federal radon map estimates that at most 1% of the buildings here exceed the reference value of 300 Bq/m³.

Connectivity

Fibre in parts of the surroundings only

In 10 to 50% of the buildings around

5G outdoors

In the network models of 3 operators.

Mobile: as of 2026

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