HOUSE EXTENSIONS

MADE SIMPLE

1Save up to 40% on building costsSuperstrux System 7 builds are more cost-effective than traditional bricklaying, reducing material and labour costs by up to 40%.

2Built extensions 3 times fasterSuperstrux System 7 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 System 7 structure covered with OSB board and waterproof membrane – perfect for customers planning to finish the build in stages.

Move-in Ready

Complete exterior and interior finish – including insulation, electrics, walls, and flooring. A ready-to-furnish extension built for immediate use.

Why choose Superstrux System 7?

Superstrux System 7 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 System 7 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.

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Superstrux System 7 vs Traditional Build

  • Time to Build
  • Building regulations approved
  • Architect Design
  • Weather restricttions & Delays
  • Average price for 6m x 3m extension
  • Superstrux System 7 Quick & Efficient
  • 7 Days
  • NONE
  • £29,000
  • Traditional Build Slow & Sluggish
  • 10-12 Weeks
  • Strong Possibility*
  • £45,000

*most traditional builds are effected by rain and wind, causing major delays in construction.
Superstrux System 7 can be built year round with little to no constraints.

Many Configurations Available

Superstrux System 7 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 System 7 structures reach a waterproof stage in just two days.

Get your quote

Important

Architect Drawings

Bring your home extension ideas to life with clear, compliant drawings prepared by a qualified professional.

Accurate architectural drawings are the foundation of a smooth extension project—they help visualise the design, guide builders on site, and support planning and building control.

  • Concept layouts and elevations to explore options.
  • Scaled drawings suitable for planning applications.
  • Technical details that inform accurate quotations and construction.

Note: We are not architects. However, we work with a trusted network of independent, qualified architects across the country and can introduce you to a professional in your local area.

ROOF OPTIONS

Flat Roof
Modern, cost-effective
Lean-to (Mono-pitch)
Great for side returns
Hip Roof
Neat edges all round

EXTERNAL WALL FINISH OPTIONS

Render
Clean, contemporary finish
Brick Slips
Real brick look, lighter build-up
Composite Cladding
Low maintenance, modern lines

WINDOW & DOOR OPTIONS

PVC French Doors
Available in White & Anthracite
PVC Single Door
Available in White & Anthracite
Aluminium BiFolds
Available in White & Anthracite
PVC Casement
Available in White & Anthracite
PVC Fixed
Available in White & Anthracite
PVC Sash
Available in White & Anthracite

Trade registration

Inspiration