HOUSE EXTENSIONS
1Save up to 40% on building costsSuperstrux builds are more cost-effective than traditional bricklaying, reducing material and labour costs by up to 40%.
2Built extensions 3 times fasterSuperstrux extensions can be assembled in days, unlike brickwork which often takes weeks and is delayed by weather.
3Choose your build stageChoose from three flexible options: waterproof shell, finished exterior, or a fully completed extension – ready for furniture and instant use.
Choose Your Build Stage
Structural Shell
A durable Superstrux structure covered with OSB board and waterproof membrane – perfect for customers planning to finish the build in stages.
From £9.995
Move-in Ready
Complete exterior and interior finish – including insulation, electrics, walls, and flooring. A ready-to-furnish extension built for immediate use.
From £29.995
Superstrux is a next-generation solution for building house extensions and garden rooms – faster, smarter, and more cost-effective. Unlike traditional brickwork that takes weeks and is often delayed by weather, Superstrux structures reach a waterproof stage in just two days.
This innovative method cuts material and labour costs by up to 40%. Built to meet all building regulations, each project is based on your architect’s drawings and can be finished in brickslips, render, or cladding. We offer full turnkey solutions or staged builds, giving you flexibility and even greater savings.
Garden annexe ideas
