Altwis - Flats for sale with Balcony / Terrace

Exclusive attic apartment in an unbeatable location

In a privileged residential area in the tax-friendly Seengen, this exclusive 2.5-room attic apartment presents itself as a true gem for discerning singles or couples. The apartment is located in a well-maintained and exclusive 4-party house directly on the agricultural zone and just a few steps from Lake Hallwil. This rare opportunity combines unobstructable views, a high level of privacy, and nature-oriented living on the highest level.The apartment impresses with around 70 m² of net living space, above-average high ceilings, a charming gallery with additional usable space, and a stylish Swedish stove that creates a particularly cozy living atmosphere. The bright living and dining area forms the heart of the apartment and offers direct access to the sunny balcony with a lovely view of the surrounding countryside.Additional value is offered by a versatile hobby room with around 17 m², a separate basement compartment with around 10 m², and a practical shed compartment in the outdoor area. The well-maintained property will be further enhanced by the already planned facade renovation in August 2026.The apartment includes an outdoor parking space, which can be taken over for an additional CHF 20,000.An exceptional living opportunity in an unbeatable location – ideal for all those who appreciate peace, nature, proximity to the lake, and exclusive living quality.Highlights: • Unbeatable location directly on the agricultural zone • Just a few steps from Lake Hallwil • High ceilings and open gallery • Cozy Swedish stove • Quiet cul-de-sac location without through traffic • Hobby room, basement compartment, and shed compartment • New facade renovation in August 2026 Have we sparked your interest? We would be happy to provide you with the detailed sales documentation, including a virtual 360° tour. Convince yourself – we look forward to your contact.

First occupancy in Seengen - modern living near Lake Hallwil

Lifestyle by Lake Hallwil - Living in SeengenIn the idyllic municipality of Seengen, at the northern end of Lake Hallwil, a home awaits you that perfectly combines nature, comfort, and modern living style.The exclusive 4½-room terrace apartment impresses with clear architecture, high-quality interior design, and a spacious terrace with a view of the green surroundings.Whether it's walks by the lake, bike tours through the Seetal valley, or relaxed hours on your terrace: your new home offers relaxation right outside your door.Additional highlights: • First occupancy - experience modern living comfort as the first owner • Spacious, practically designed floor plan • High-quality materials and harmonious color concept • Bright living rooms • Bedroom with direct access to the terrace • Large bathroom en suite with shower and bathtub • Additional bathroom with shower/WC • Modern, timeless kitchen with high-quality Electrolux appliances and Bora extractor • Parquet floor in living and sleeping areas • Fine stoneware tiles in the wet cells • Private laundry tower in the apartment • Extensive terrace with sunny orientation • Two cellar compartments with additional storage space • Minergie standard (without apartment ventilation) • Photovoltaic system • Preparation for wall box • Barrier-free construction - ideal for every age Attractive location: • Near Lake Hallwil and Hallwil Castle, perfect for nature lovers • Bus stop reachable in 3 minutes on foot • School (all levels including district school) in the immediate vicinity • A1 highway connection (Lenzburg) reachable in about 12 minutes by car Ideal for people who value high living comfortThe apartment is aimed at couples, singles, or best agers who appreciate spacious living, high-quality equipment, and nature-related quality of life. Thanks to the barrier-free design, the home is ideal as a long-term living solution.Pricing: • 4½-room ground-floor terrace apartment: CHF 1,330,000.- • 2 parking spaces in the underground garage at CHF 35,000.- each Seengen in figures: • Population around 4,500 • Seengen tax rate 72% • Aargau canton tax rate 111% • District: Lenzburg

WALTPARK - Direct access to your own garden from every room

Welcome to WALTPARK, the area development in a beautifully located area surrounded by nature and adjacent to the Bünz, the village stream in Waltenschwil. The development bears the slogan "Generations united" for good reason, as the versatile apartment mix and the available meeting zones on the riverbank invite all generations to play, linger and enjoy. In this attractive residential area on Heumoosweg, next to green waterfront zones and old tree population, two multi-family houses with a total of 19 high-quality owner-occupied apartments are being built in a central and quiet location. This area development fits perfectly into the settlement area and manifests the claim of sophisticated architecture. Owner-occupied apartment B-01 – Garden apartmentAlready in the entrance, the space conditions with a spacious wardrobe are ideal for a family. From here, you can access the living area, which is divided into an open kitchen and a slightly offset living room. All rooms have generous dimensions and floor-to-ceiling windows for optimal lighting conditions and access to the garden. The 3rd room adjacent to the kitchen can be used as a children's room or office. The parental area is generously designed with its own daylight bathroom, which already has a walk-in rain shower, washbasin with base and practical high cabinet as standard.The living area and all rooms offer a nice view of the garden.We offer buyers a high-quality interior design with adequate budgets for their personal selection from our long-standing suppliers. All apartments are equipped with wood-metal windows, thoughtful electrical installation, controlled living room ventilation, washing tower in the reduction, motorized blinds and sunshades, spacious wardrobe, floor covering in parquet, high-quality wet cells and kitchen. The kitchen comes with V-Zug appliances with steamer, oven, large refrigerator, dishwasher, natural stone cover and can be individually selected from our kitchen builder.Each apartment has a basement included in the price! Additional disposal/basement is also available for sale.More information at: www.waltpark.chHave fun discovering the detailed project presentation.Building owner / SalesKrewo Immobilien AG

WALTPARK - Ambiance and Storage Combined

Welcome to WALTPARK. On Heumoosweg in Waltenschwil, two multi-family houses with a total of 19 high-quality condominiums are being built in a central and quiet residential area. This area development fits perfectly into the settlement area and the beautiful landscape, and manifests the claim of elevated architecture. The development bears the slogan "Generations united" with good reason, because the versatile apartment mix and the available meeting zones on the banks of the Bünz invite all generations to play, linger and enjoy. 3.5 room attic apartment with attic spaceThis 3.5 room attic apartment on the 3rd floor has a bright floor plan with a large balcony of 22.50m2! The living area interprets the modern design of the sloping ceilings with the white plastered ceilings. The rooms have generous dimensions and two recesses and an attic space are available for plenty of space and storage. The main bedroom with dressing room forms a retreat and the bathroom has a walk-in rain shower, bathtub, washbasin with base as standard.We offer buyers a high-quality interior design with adequate budgets for their personal selection from our long-standing suppliers. This apartment is equipped with wood-metal windows, thoughtful electrical installation, controlled living room ventilation, washing tower in the recess, motorized blinds and sun shades, spacious wardrobe, parquet flooring, high-quality wet cells and kitchen. The kitchen offers V-Zug appliances with steamer, oven, large refrigerator, dishwasher, natural stone cover and can be individually selected from our kitchen builder.Each apartment has a basement included in the price! Additional disposal/basement spaces are also available for sale.More information at: www.waltpark.chHave fun discovering the detailed project presentation.Construction client / SalesKrewo Immobilien AG

WALTPARK - Garden Apartment with Covered Loggia

Welcome to WALTPARK. On Heumoosweg in Waltenschwil, two multi-family houses with a total of 19 high-quality condominiums are being built in a central and quiet location. This area development fits perfectly into the settlement area and the beautiful landscape, and manifests the claim of sophisticated architecture. The development bears the slogan "Generations united" with good reason, because the versatile apartment mix and the available meeting zones on the banks of the Bünz invite all generations to play, linger and enjoy.2.5 Room Condominium A-203This 2.5 room apartment is located on the 2nd floor with an attractive floor plan and a loggia (covered balcony) facing the living area and offering a view. The semi-open living area (40m2) is divided into spacious living and a recessed kitchen with space for a dining table. The kitchen comes with V-Zug appliances as standard, including a large Combi Steam oven, a large refrigerator and freezer, a dishwasher, and can be individually selected from our kitchen manufacturer - kitchen budget around CHF 22,000.--! The daylit reduction assigned to the kitchen is optimally positioned for household chores and storage. The living area can be individually furnished thanks to optimal dimensions.Waltpark offers buyers a high-quality interior design. All apartments are equipped with wood-metal windows, controlled living room ventilation, Elektrolux washing tower, motorized blinds and sun shades, spacious wardrobe, parquet flooring, high-quality wet cells and kitchens, among other features.Each apartment has a basement included in the price! Additional disposal/basement spaces are also available for sale.More information at: www.waltpark.chHave fun discovering the detailed project presentation.Building owner / SalesKrewo Immobilien AG - Fislisbach/AG

WALTPARK - Ideal Family Floor Plan

Welcome to WALTPARK. On Heumoosweg in Waltenschwil, two multi-family houses with a total of 19 high-quality condominiums are being built in a central and quiet location. This area development fits perfectly into the settlement area and the beautiful landscape, and manifests the claim of elevated architecture. The development carries the slogan "Generations united" with good reason, because the versatile apartment mix and the available meeting zones on the banks of the Bünz invite all generations to play, linger and enjoy. 4.5 room attic apartment with large reductionThis 4.5 room attic apartment on the 3rd floor has a bright floor plan with a large balcony of 28.40m2! Already in the entrance, the space conditions with closet front/wardrobe are ideal for a family. From here, you can access the living area, which is divided into the open living kitchen with cooking island and the living room. The dormer window and roof slopes merge into the 2.55 meter high ceiling, which is executed in white plaster, conveying a modern appearance. All rooms have above-average dimensions and a reduction is available, which serves as a small office or household room. The parent area is generously designed with its own bathroom, which already has a walk-in rain shower, bathtub, washbasin with base and practical high cabinet as standard.We offer buyers a high-quality interior design with adequate budgets for their personal selection from our long-standing suppliers. This apartment is equipped with wood-metal windows, thoughtful electrical installation, controlled living room ventilation, washing tower in the reduction, motorized blinds and sun shades, spacious wardrobe, parquet flooring, high-quality wet cells and kitchen. The kitchen offers V-Zug appliances with steamer, oven, large refrigerator, dishwasher, Bora induction cooktop, natural stone cover and can be individually selected from our kitchen builder.Each apartment has a basement included in the price! Additional disposal/basement are also available for sale.More information at: www.waltpark.chHave fun discovering the detailed project presentation.Building owner / SalesKrewo Immobilien AG

WALTPARK - Garden Apartment with Covered Loggia

Welcome to WALTPARK. On Heumoosweg in Waltenschwil, two multi-family houses with a total of 19 high-quality condominiums are being built in a central and quiet location. This area development fits perfectly into the settlement area and the beautiful landscape, and manifests the claim of sophisticated architecture. The development bears the slogan "Generations united" for good reason, because the versatile mix of apartments and the available meeting zones on the banks of the Bünz invite all generations to play, linger and enjoy.2.5 Room Garden - Condominium A-03These 2.5 room garden apartments have a very attractive floor plan and a loggia (covered balcony) and garden share facing the living area. The semi-open living area (40m2) is divided into spacious living and a recessed kitchen with space for the dining table. The kitchen comes with V-Zug appliances as standard, including a large Combi Steam oven, large refrigerator and freezer, dishwasher, and can be individually selected from our kitchen builder - kitchen budget around CHF 22,000.--! The daylit Reduit assigned to the kitchen is optimally positioned for household chores and storage. The living area can be individually furnished thanks to optimal dimensions.Waltpark offers buyers a high-quality interior finish. All apartments are equipped with wood-metal windows, controlled living room ventilation, Elektrolux washing tower, motorized blinds and sunshades, spacious wardrobe, parquet flooring, high-quality wet cells and kitchens, among other features.Each apartment has a basement included in the price! Additional disposal/basement cells are also available for sale.More information at: www.waltpark.chHave fun discovering the detailed project presentation.Building owner / SalesKrewo Immobilien AG - Fislisbach/AG

Waltpark - Garden Apartment with Open Space

Welcome to WALTPARK, the area development in a beautifully located area amidst nature and adjacent to the Bünz stream in Waltenschwil. The development bears the slogan "Generations united" for good reason, as the versatile apartment mix and the available meeting zones on the banks of the Bünz invite all generations to play, linger and enjoy. In this attractive residential location on Heumoosweg, next to green waterfront zones and old tree population, two multi-family houses with a total of 19 high-quality owner-occupied apartments are being built in a central and quiet location. This area development fits perfectly into the settlement area and manifests the claim of elevated architecture. 4.5 room owner-occupied apartment B-02This 4.5 room garden apartment has a very attractive, family-friendly floor plan and a high standard of construction. Already in the entrance, the space conditions with a spacious wardrobe are ideal for a family. From here, you can reach the children's rooms along the open living area, which is divided into the kitchen-dining area and the actual living area. Through the large windows, you can access the covered terrace (31m2) with a practical outdoor storage room and the private garden area (134m2). All rooms have floor-to-ceiling windows for access to the garden and the free view into the beautiful landscape. The parent's area is generously designed with its own daylight bathroom, which already has a walk-in rain shower, washbasin with base and practical tall cabinet as standard.The living area and all rooms offer a very nice distant and outlook into nature and the adjacent hill landscape.We offer buyers a high-quality interior construction with adequate budgets for their personal selection from our long-standing suppliers. All apartments are equipped with wood-metal windows, thoughtful electrical installation, controlled living room ventilation, washing tower in the storage room, motorized blinds and sun shades, spacious wardrobe, floor covering in parquet, high-quality wet cells and kitchen. The kitchen offers V-Zug devices with steamer, oven, large refrigerator, dishwasher, natural stone cover and can be individually selected from our kitchen builder.Each apartment has a basement included in the price! Additional disposal/basement is also available for sale.More information at: www.waltpark.chHave fun discovering the detailed project presentation.Building owner / SalesKrewo Immobilien AG

WALTPARK - Ideal Family Floor Plan

Welcome to WALTPARK. On Heumoosweg in Waltenschwil, two multi-family houses with a total of 19 high-quality condominiums are being built in a central and quiet residential area. This area development fits perfectly into the settlement area and the beautiful landscape, and manifests the claim of elevated architecture. The development carries the slogan "Generations united" with good reason, because the versatile apartment mix and the available meeting zones on the banks of the Bünz invite all generations to play, linger and enjoy. 4.5 Room Apartment A-101This 4.5 room apartment on the 1st floor has a bright floor plan with a very large, covered balcony (26.6m2) and a practical outdoor storage room (2.4m2).Already in the entrance, the space conditions with a spacious wardrobe are ideal for a family. From here, you can access the living area, which is divided into the open kitchen with cooking island and the living room. All rooms have generous dimensions and floor-to-ceiling windows, which contribute significantly to a great sense of space. The parental area is generously designed with its own daylight bathroom, which already has a walk-in rain shower, washbasin with base and practical high cabinet as standard.We offer buyers a high-quality interior design with adequate budgets for their personal selection from our long-standing suppliers. This apartment is equipped with wood-metal windows, thoughtful electrical installation, controlled living room ventilation, washing tower in the storage room, motorized blinds and sun shades, spacious wardrobe, parquet flooring, high-quality wet cells and kitchen. The kitchen comes with V-Zug appliances with steamer, oven, large refrigerator, dishwasher, Bora induction cooktop, natural stone cover and can be individually selected from our kitchen builder.Each apartment has a basement included in the price! Additional disposal/basement spaces are also available for sale.More information at: www.waltpark.chHave fun discovering the detailed project presentation.Building owner / SalesKrewo Immobilien AG

WALTPARK - Family Apartment with Open Space

Welcome to WALTPARK, the area development in a beautifully located area amidst nature and adjacent to the Bünz, the village stream in Waltenschwil. The development carries the slogan "Generations united" with good reason, because the versatile apartment mix and the available meeting zones on the riverbank invite all generations to play, linger and enjoy. In this attractive residential location on Heumoosweg, next to green waterfront zones and old tree population, two multi-family houses with a total of 19 high-quality owner-occupied apartments are being built in a centrally located and quiet residential area. This area development fits perfectly into the settlement area and manifests the claim of elevated architecture. Owner-occupied apartment B-202 – unobstructed viewThis owner-occupied apartment, oriented to the south and west, impresses with open space and a great view on the 2nd floor. The attractive floor plan is complemented by a large covered balcony (23.2m2) and a practical outdoor storage room. Already in the entrance, the space conditions with a spacious wardrobe are ideal for a family. From here, you can access the open living area, which can be equipped with a kitchen and cooking island due to its ideal dimensions. All rooms have generous dimensions and floor-to-ceiling windows for optimal lighting and sunlight. The parent area is generously designed with its own daylight bathroom, which already has a walk-in rain shower, washbasin with base and practical high cabinet as standard.The living area and all rooms offer a very nice distant view and outlook into nature and the surrounding hill landscape.We offer buyers a high-quality interior design with adequate budgets for their personal selection from our long-standing suppliers. All apartments are equipped with wood-metal windows, thoughtful electrical installation, controlled living room ventilation, washing tower in the storage room, motorized blinds and sun shades, spacious wardrobe, parquet flooring, high-quality wet cells and kitchen. The kitchen comes with V-Zug appliances with steamer, oven, large refrigerator, dishwasher, natural stone cover and can be individually selected from our kitchen builder.Each apartment has a basement included in the price! Additional disposal/basement are also available for sale.More information at: www.waltpark.chHave fun discovering the detailed project presentation.Building owner / SalesKrewo Immobilien AG

WALTPARK - Variable floor plan in 3.5 or 4.5 room variant possible

Welcome to WALTPARK, the area development in a beautifully located area surrounded by nature and adjacent to the Bünz, the village stream in Waltenschwil. The development carries the slogan "Generations united" with good reason, as the versatile apartment mix and the available meeting zones on the riverbank invite all generations to play, linger and enjoy. In this attractive residential location on Heumoosweg, next to green waterfront zones and old tree population, two multi-family houses with a total of 19 high-quality owner-occupied apartments are being built in a centrally located and quiet residential area. This area development fits perfectly into the settlement area and manifests the claim of elevated architecture. Owner-occupied apartment B-201 – Variable floor plan!Large 3.5 rooms desired or rather a 4.5 room apartment with practical office? Both are possible and feasible, but in the standard, it is designed as a 4.5 room apartment. This is located on the 2nd upper floor, has an attractive floor plan and a large covered balcony (23.2m2) and practical outdoor storage room. Already in the entrance, the space conditions with a spacious wardrobe are ideal for a family. From here, you can access the living area, which is divided into an open living kitchen and the slightly offset living room. All rooms have generous dimensions and floor-to-ceiling windows for optimal lighting conditions and sunlight. The 3rd room, which is adjacent to the kitchen, could serve as an office with direct access to the balcony. Or we design this apartment as a 3.5 room unit, with a very large dining-living area and kitchen with cooking island (see floor plan). The parent area is generously designed with its own daylight bathroom, which already has a walk-in rain shower, washbasin with base cabinet and practical high cabinet as standard.The living area and all rooms offer a beautiful view.We offer buyers a high-quality interior design with adequate budgets for their personal selection from our long-standing suppliers. All apartments are equipped with wood-metal windows, thoughtful electrical installation, controlled living room ventilation, washing tower in the storage room, motorized blinds and sun shades, spacious wardrobe, floor covering in parquet, high-quality wet cells and kitchen. The kitchen comes with V-Zug appliances with steamer, oven, large refrigerator, dishwasher, natural stone cover and can be individually selected from our kitchen builder.Each apartment has a basement included in the price! Additional disposal/basement is also available for sale.More information at: www.waltpark.chHave fun discovering the detailed project presentation.Building owner / SalesKrewo Immobilien AG

WALTPARK - Unique floor plan complemented by a huge balcony

Welcome to WALTPARK, another new construction project by Krewo Immobilien AG. This area development carries the slogan "Generations united" for good reason, as the versatile mix of apartments and the meeting zones available on the banks of the Bünz invite all generations to play, linger and enjoy. In this attractive residential location on Heumoosweg, next to green waterfront zones and old tree population, two multi-family houses with a total of 19 high-quality owner-occupied apartments are being built in a central and quiet location. This area development fits perfectly into the settlement area and manifests the claim of sophisticated architecture.Apartment: The 3.5-room apartments on the 1st floor have a very attractive floor plan as well as a balcony (terrace) of 29m2, which is complemented by a practical outdoor reduction. Here you can enjoy a beautiful view and freedom in the interior and exterior area with great sunsets.We offer buyers a high-quality interior design with adequate budgets for their personal selection from our long-standing suppliers. The apartment is equipped with wood-metal windows, thoughtful electrical installation, controlled living room ventilation, washing tower in the reduction, motorized blinds and sun shades, spacious wardrobe, floor covering in parquet, high-quality wet cells and kitchen. The kitchen offers V-Zug devices with steamer, oven, large refrigerator, dishwasher, induction cooktop by Bora, natural stone cover and can be individually selected from our kitchen builder.Each apartment has a basement included in the price! Additional disposal/basement is also available for sale.More information at: www.waltpark.ch Have fun discovering the detailed project presentation.Construction client / SalesKrewo Immobilien AG / 5442 Fislisbach

Enjoy Your Property in a Unique Location - WALTPARK

Welcome to WALTPARK. On Heumoosweg in Waltenschwil, two multi-family houses with a total of 19 high-quality owner-occupied apartments are being built in a central and quiet residential area. This area development fits perfectly into the settlement area and the beautiful landscape, and manifests the claim of sophisticated architecture. The development bears the slogan "Generations united" for good reason, because the versatile apartment mix and the available meeting zones on the banks of the Bünz invite all generations to play, linger and enjoy.2.5 room owner-occupied apartment A-103These 2.5 room floor apartments have a very attractive floor plan and a loggia (covered balcony) facing the living area. The semi-open living area (40m2) is divided into spacious living and recessed kitchen with space for the dining table. The kitchen offers V-Zug appliances with a large Combi Steam oven, large refrigerator and freezer, dishwasher, and can be individually selected from our kitchen builder - kitchen budget around CHF 22,000.--! The daylit reduit assigned to the kitchen is optimally positioned for household chores and storage. The living area can be individually furnished thanks to optimal dimensions.Waltpark offers buyers a high-quality interior design. All apartments are equipped with wooden metal windows, controlled living room ventilation, Elektrolux washing tower, motorized blinds and sunshades, spacious wardrobe, parquet flooring, high-quality wet cells and kitchens, among other things.Each apartment has a basement included in the price! Additional disposal/basement areas are also available for sale.More information at: www.waltpark.chHave fun discovering the detailed project presentation.Building owner / SalesKrewo Immobilien AG - Fislisbach/AG