Trim House | KWK Promes

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Trim House | KWK Promes

Information

  • Completion year: 2025
  • Gross Built up Area: 299 m2
  • Project Location: Vilnius
  • Country: Lithuania
  • Lead Architects/Designer: Robert Konieczny
  • Structural Consultants: Firma Inżynierska STATYK
  • Collaborators: Dorota Skóra, Michał Lisiński, Krzysztof Kobiela, Łukasz Marciniak, Mateusz Białek, Katarzyna Ficek
  • Photo Credits: Jakub Certowicz, Juliusz Sokołowski
  • Others: Local partner: 4 PLIUS ARCHITECTS - Donaldas Trainauskas, Glazing: KER+3MR, Investor: private, Home decor: Yes. Design Architecture
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Excerpt: Trim House by KWK Promes is based on the idea of reducing the building footprint while strengthening the relationship between the residence and its natural surroundings. By raising part of the house one level up, a patio brings additional daylight into the interior and extends the living area into the garden. The compact form preserves privacy, maximizes sunlight, and retains the project’s core spatial concept.

Project Description

Trim House | KWK Promes
© Jakub Certowicz, Juliusz Sokołowski

[Text as submitted by architect] In 2016, we were invited—along with several international studios—to take part in a closed competition for a single-family house in one of Vilnius’s suburban districts, organized by a private client.

Trim House | KWK Promes
© Jakub Certowicz, Juliusz Sokołowski
Trim House | KWK Promes
© Jakub Certowicz, Juliusz Sokołowski

This is an area characterized by loose, traditional development, with houses and summer cottages nestled among trees and expansive recreational grounds. On the plot included in the competition, as well as in its surroundings, there were once wooden houses from the interwar period, which have not survived to the present day.

Trim House | KWK Promes
© Jakub Certowicz, Juliusz Sokołowski
Trim House | KWK Promes
Concept and Ground Floor Plan © KWK Promes
Trim House | KWK Promes
© Jakub Certowicz, Juliusz Sokołowski

As a result of raising part of the house one level up, the patio brings additional daylight into the interior and—together with the living area—became an extension of the surrounding garden. The elevated first floor houses the private night zone. The bedrooms, with access to a terrace above the ground-floor volume, allow residents to enjoy nature while maintaining a sense of privacy and security.

Trim House | KWK Promes
© Jakub Certowicz, Juliusz Sokołowski
Trim House | KWK Promes
Section © KWK Promes
Trim House | KWK Promes
© Jakub Certowicz, Juliusz Sokołowski

In 2017, before we had the chance to come up with a name for this intriguing spatial motif—still during the design process—the Lithuanian Farmers and Greens Union came to power and introduced regulations that limited the allowable building footprint by 50%. The location of the driveway to the house was also changed—the new route leads directly into the garden.

The client began searching for a new site for our design, but we managed to persuade them to stick with the original location and reduce the house’s area by 40%. As a result, a triangular floor plan emerged.

Trim House | KWK Promes
© Jakub Certowicz, Juliusz Sokołowski

The enlarged garden area and improved access to sunlight—so important in this geographical location and forested setting—became additional arguments that allowed us to trim the house. Although the scale changed, the core idea of the project remained intact.

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