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High-Quality Wooden
Garden Fences and Gates
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Wooden house – KOSTKA I 1040 x 590 61.4 m2

£40,392.00 inc VAT

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Discover the Garden Room Office Kostka I, a compact and stylish wooden house offering a modern solution for year-round living, seasonal use, or investment. Constructed from high-quality, 70 mm thick solid wood, the Kostka I features precise craftsmanship with double tongue-and-groove connections and external impregnation for durability. Its 61.4 m² layout includes a large, sunlit living space thanks to expansive front glazing, alongside a kitchen, bathroom, and a spacious terrace, ideal for relaxation. Perfectly blending functionality with contemporary design, the Kostka I meets all your needs without requiring a construction permit. Customize your space with additional windows, doors, or insulation services to tailor your perfect office or home environment.

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You can build the wooden house Kostka I (1040×590) with a total area of ​​61.4 m2 without a permit!  This is a perfect solution for people looking for a modern and functional place for year-round and summer residence, as well as for investment.

Cube I is made of high-quality solid wood. Four-sided planed logs with a thickness of 70 mm are assembled using precise double   tongue-and-groove technology. The entire structure is impregnated from the outside , which provides protection against negative weather conditions. A roof with an area of ​​45.47 m2 and an angle of inclination of 3 °, walls with dimensions of 274.5/291.6 cm and a peak height of 297.4 cm ensure comfort of use and ease of arrangement.

A simple shape in the form of a cube combined with large glazing at the front (450×220 cm) creates an impressive façade that lets in plenty of sunlight. The interior of the house is divided into three rooms that can be freely arranged. For example, there may be a living room with a bedroom function (over 20 m2), a kitchen (approx. 5 m2) and a bathroom (approx. 6 m2). Additionally, a terrace with an area of ​​almost 25 m2 is an attractive place to relax outdoors.

All our houses are built in modern and precise machinery, guaranteeing the highest quality of workmanship. We offer the opportunity to use additional services (i.e. insulation) performed by our qualified installation teams.





-> 70 mm log structure
-> glazing system – 450×220 cm
-> terrace structure
-> 28 mm terrace board
-> 28 mm floor
-> 18 mm
roof board -> roofing felt
-> wooden interior doors 1 piece
-> colorless external impregnation
-> assembly in Poland

Valuation at the service office:
-> preparation of the foundation for the structure 
-> additional doors/windows from the list below
    – tilting window 80×220 cm
    – tilting window 100×220 cm
    – tilting window 150×220 cm
    – fixed window 250×220 cm
    – fixed window 300×220 cm
    – entrance door fully glazed 100×220 cm
    – entrance door fully glazed 120×220 cm
    – tilting skylight 50×150 cm
    – tilting skylight 60×200 cm

Additional insulation services:
-> floor insulation:
    – 10 cm thick wool: 
    – 15 cm thick wool: 
-> roof insulation:
    – 10 cm thick wool: 
    – 15 cm thick wool: 
-> wall insulation:
    – 10 cm thick wool: 
    – 15 cm thick wool: 


Discover the Garden Room Office Kostka I, a stunningly modern wooden house designed for both functionality and aesthetics. With its total area of 61.4 m², this office space is perfect for those seeking a stylish yet practical setting for year-round living, seasonal use, or investment purposes.

Design and Build Quality

Constructed from high-quality, 70 mm thick solid wood, the Kostka I is built to last. The logs are meticulously four-sided planed and assembled using precise double tongue-and-groove technology, ensuring a tight and durable fit. The entire structure is externally impregnated to protect against adverse weather conditions, enhancing both its longevity and appearance.

Comfort and Style

The Kostka I features a simple, cube-shaped design that maximizes space and natural light. Large front glazing measuring 450×220 cm not only creates an impressive façade but also floods the interior with sunlight, making the space feel warm and inviting. The internal layout is thoughtfully divided into three rooms, offering flexibility in usage. Potential configurations could include a spacious living area with a bedroom function, a compact and efficient kitchen, and a comfortably sized bathroom.

Outdoor Living

Adding to its appeal, the Kostka I includes a nearly 25 m² terrace, providing a perfect spot for outdoor relaxation and entertainment. This space allows for a seamless transition between indoor comfort and the beauty of the outdoors.

Precision and Customization

Our homes are constructed using modern, precise machinery, which guarantees the highest quality of craftsmanship. We also offer a range of additional services such as custom insulation options, performed by our qualified installation teams, to ensure your space is comfortable in any season.

Product Details Include:

– 70 mm log structure
– Large glazing system (450×220 cm)
– Terrace structure with 28 mm terrace boards
– Durable 28 mm flooring and 18 mm roof boarding
– Roofing felt for added protection
– One wooden interior door
– Colourless external impregnation for longevity
– Optional assembly within Poland

Optional Enhancements:

– Foundation preparation
– Additional doors and windows customization options
– Various sizes of tilting and fixed windows
– Fully glazed entrance doors
– Options for tilting skylights
– Comprehensive insulation services for floors, roof, and walls available in 10 cm and 15 cm thick wool

Whether you’re setting up a new home office, crafting a cozy retreat, or enhancing your property for resale, the Kostka I offers a blend of elegance, practicality, and sustainable construction. Embrace the blend of modern living and natural charm with the Kostka I—where your creative and professional visions can flourish.


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