3x3m
/ Compact and practical
Structure & Materials
Exterior in natural pine, Thermowood or black Nordic finish. Full insulation (Rockwool 10 cm), OSB panels, and plasterboard interior.
Windows & Lighting
Double sliding door + vertical fixed window. Optional Velux skylight (manual or electric). LED recessed lighting included.
Interior Finishes
Walls: plasterboard, light wood or microcement.
Flooring: laminated wood-look PVC, ceramic, or floating laminate.
3x4m
/ Standard and versatile
Structure & Materials
Built with high-quality timber, full insulation on all sides. Exterior finish in wood (natural, Thermowood or Nordic black).
Windows & Lighting
Large sliding aluminum window, optional French door and skylight. Includes LED lighting (basic or indirect).
Interior Finishes
Custom interior wall finishes and floors: wood, microcement or paint-ready panels. Floor options include laminate, PVC, or ceramic.
3x5m
/ Spacious and bright
Structure & Materials
15 m² modular space with complete insulation. Rear extension and furniture integration optional. Wood cladding in 3 finishes.
Windows & Lighting
Triple setup: sliding door + vertical window + Velux. Optional ambient lighting and skylight automation.
Interior Finishes
Tailored finishes: microcement, wood or plasterboard. Flooring in wood-look PVC, resistant laminate or ceramic tiles.
Modular Rear Extensions
OAKSIDE rear extensions are built with the same sustainable wood structure and high-quality finishes as our garden offices — but tailored for your home. Whether you need a larger kitchen, a second bathroom, a cozy guest room or a rental studio, our modular extensions are the perfect solution to expand without moving.
Designed to integrate seamlessly with your existing home, each extension offers exceptional comfort, insulation, and flexibility. From the structure to the finishes, every detail is customizable — so you can create a space that not only adds square meters, but truly enhances the way you live.
3x5m
/ Standard model
Structure & Materials
Timber frame with full thermal and acoustic insulation (floor, walls, roof). Vertical wood cladding in natural or black finish. Optional Thermowood upgrade.
Windows & Lighting
Double-glass sliding door (2×2.10 m) and fixed vertical window (1×2.10 m). Optional Velux skylight and extra openings. Includes full LED installation.
Interior Finishes
Ready for kitchen, bathroom or bedroom setup. Custom wall finishes: wood, microcement or plasterboard. Floor options: PVC, ceramic, or laminate.
