Dråpa House by Vatn Architecture and Groma AS: Modernist Extension in Oslo

Located on the outskirts of Oslo, Dråpa House is a contemporary extension of a 1939 modernist home, designed by Vatn Architecture in collaboration with Groma AS. The project reimagines the original structure for a painter and filmmaker, offering a harmonious blend of historical respect and modern living.

A Tribute Through Architecture

Named “Dråpa” after an ancient Norse verse praising kings and dignitaries, the extension reflects the poetic inspiration of the original home. The architects introduced a curvilinear form that dialogues with the existing modernist language, recalling the soft, flowing shapes that occasionally complemented rectangular volumes in the era the original house was built.

Design Concept

The extension stretches across three floors, integrating three bedrooms, a spacious living area, a modern kitchen, and a rooftop terrace with panoramic views over Oslo and its archipelago. A concrete base anchors the new volume to the original structure, while vertical wood cladding contrasts yet complements the existing horizontal cladding, creating a visually dynamic yet cohesive ensemble.

The curvilinear geometry is intentional, enhancing the house’s character while maintaining historical integrity. The design demonstrates how a modern extension can respect its roots while providing contemporary functionality for a growing family.

Interiors and Spatial Experience

Inside, natural light floods the open-plan living and dining areas, highlighting warm wood finishes and minimalist furnishings. The interior emphasizes connection with the surrounding landscape, offering framed views of Oslo’s greenery and coastal scenery. Each floor balances privacy for bedrooms with communal spaces for family interaction.

Sustainability and Materiality

The project integrates durable and locally sourced materials, such as timber and concrete, reflecting a sensitive approach to sustainability. The choice of materials not only enhances the visual dialogue between old and new but also ensures longevity and minimal environmental impact.

Dråpa House exemplifies a thoughtful, modernist-inspired extension that honors historical architecture while embracing contemporary living. Its elegant curves, functional layout, and material sophistication make it a standout residential project in Oslo.

All photographs are works of  Johan Dehlin