Modern House Extension Design: A Harmonious Blend of Old and New

Expanding a historic home requires a delicate balance between honoring the past and embracing contemporary design. The Timjan House Extension by Johan Sundberg Arkitektur is a prime example of modern house extension design that integrates seamlessly with its surroundings while maintaining a distinct architectural identity. Located in Lund, Sweden, this carefully crafted addition enhances the functionality of a 1920s villa while preserving its historic charm.

A Thoughtful Approach to House Extensions

Johan Sundberg Arkitektur approached the extension with a clear objective: to create a new space that respects the existing home without replicating it. The addition includes an entrance hall, a guest room, a kitchenette, and a bathroom, all designed to complement the original structure while offering a contemporary aesthetic.

Positioned within a lush apple orchard, the extension maintains a low, understated form that blends into its surroundings. The design team carefully selected materials, colors, and proportions to ensure the new structure remains visually harmonious with the existing villa. While the extension introduces modern elements, it does so in a way that enhances the overall architectural language of the home.

Natural Materials and Seamless Transitions

The use of natural materials plays a significant role in connecting the extension with its environment. The facade features untreated larch vertical paneling, reinforcing a strong connection to the garden while maintaining a warm, organic aesthetic. Inside, birch plywood walls and stone floors create an inviting atmosphere, with large glazed openings flooding the space with natural light.

A key feature of the extension is its sedum-clad pulpit roof, constructed from anthracite-patinated zinc. This design choice not only enhances sustainability but also allows the structure to age gracefully over time, further integrating it into the landscape. High-set windows capture the open sky while maintaining privacy, contributing to a serene and airy interior.

Enhancing Functionality and Accessibility

One of the most significant improvements brought by the extension is the enhanced accessibility of the home. Previously, the entrance was elevated, requiring a flight of steps to reach the main level. The new entrance hall is positioned at ground level, creating a more welcoming and functional entry point. This change also improves the connection between the main living space and the basement level, making movement throughout the home more seamless.

Beyond its role as a transitional space, the entrance hall functions as an additional living area. Tall ceilings, natural materials, and abundant daylight transform it into a warm and inviting hub within the home. The open-plan design connects the entrance to the guest room, kitchenette, and bathroom, making it a versatile space that can adapt to the family's evolving needs.

A Modern Addition with Its Own Identity

While the extension remains visually and structurally connected to the existing villa, it asserts its own architectural identity. Unlike many house extensions that attempt to replicate historic styles, this design embraces modernity while respecting the past. The extension's discreet proportions and horizontal layout ensure that it does not overshadow the original home, while its materiality and design details create a clear but complementary contrast.

At night, the glass openings reflect the sky, creating a dynamic relationship between the structure and its environment. As the evening sets in, the illuminated interior glows like a lantern, offering a striking yet subtle presence within the landscape.

A Collaboration Between Architects and Homeowners

The success of this modern house extension design is the result of close collaboration between the architects and the homeowners. The clients played an active role in refining the details, personally installing the stone terrace and cast concrete steps that lead from the extension to the garden. This hands-on involvement ensured that the final result felt deeply personal and aligned with their vision for the home.

A Blueprint for Thoughtful House Extensions

The Timjan House Extension exemplifies how modern house extension design can enhance a home’s functionality while maintaining architectural integrity. Through careful material selection, thoughtful spatial planning, and a deep respect for the existing structure, Johan Sundberg Arkitektur has created a living space that is both contemporary and timeless. This project serves as an inspiration for homeowners and architects seeking to expand historic properties without compromising their character.

All Photographs are works of Markus Linderoth