65%–70% Faster Construction
Compared to traditional building methods, with less dependence on wet-trade labour.
Britain's #1 Steel Frame Homes & Extensions
Instant Build design, manufacture and supply light gauge steel frame components, frames and structures for the construction industry.
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Online Shop Now Open — Buy Steel Direct From Us Today • 0333 091 3778 • Contact@InstantBuild.com •Online Shop Now Open — Buy Steel Direct From Us Today • 0333 091 3778 • Contact@InstantBuild.com •
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Why Light Gauge Steel
Built Faster, Stronger & Smarter
With over 40 years of experience, Instant Build delivers affordable, high-quality steel frame solutions across the UK construction sector.
Accuracy Up To 1mm
Precision per structural storey height, negating guesswork on outer leaf fixtures.
Reduced Onsite Waste
Considerable reduction in production waste and up to 20% lower embodied carbon.
30%–40% Lower Cost
Depending on follow-on trade efficiency. Buy steel direct from our online store.
Superior Durability
Steel doesn't warp or expand and withstands extreme weather far better than timber.
Fire, Mold & Water Resistant
Galvanised steel limits fire spread, resists mold, and copes better with water damage.
Why Choose Steel
Instant Build Steel Frame vs Traditional Build
See how light gauge steel compares to brick and timber construction.
Instant BuildSteel Frame
TraditionalBrick & Timber
Completion Time
Fully completed home extension in 8–10 days
Brick: 3–6 months, Timber: 1–3 months
Cost
30–40% cheaper price
Expensive & over priced
Finish Quality
High quality finish
Cracking
Sustainability
Eco-friendly
Timber is eco-friendly
Durability
Weather resistant
Warps & swells
Safety
Fire resistant
Timber fuels fire
Design Flexibility
Complex designs
Moderate designs
Longevity
Long lasting (anti termite / anti rot)
Rots & prone to termite
Maintenance
Low maintenance
Long term maintenance
Nationwide Coverage
Over 29 Locations Across Europe
With over 29 different locations across Europe, Instant Build designs, manufactures and constructs instant affordable homes, home home extensions for the whole country.
We operate in all areas of the construction sector ranging from stock lengths and components to multi-story, pre-designed, engineered and fully assembled structures.
UK-wide delivery and installation available
Start Your Project
Welcome to Instant Build
Affordable Homes & Extensions Nationwide
Instant Build designs, manufactures and constructs instant affordable homes and home extensions for the whole country. We operate across the construction sector from stock lengths and components to multi-story, pre-designed, engineered structures.
Basic materials are formed from galvanised coil into straight sections, shipped raw or modified with dimples, drill holes and service gaps for framed products.
Meet The TeamOur Work
Built With Precision Steel Frame Technology
Real projects from our factory floor to finished home extensions across the UK.
In-house manufacturing
Completed extension
Piled steel foundation
Steel frame structure
Professional site team
Prefabricated wall frames
Brick slip cladding
Insulated steel frame build
Frame erection
Product Catalogue
Explore Our Range
Premium Home Extensions
Light gauge steel framed extensions designed for speed, precision, and lasting quality. From concept to installation.
Request a quoteAccreditations
Trusted Standards & Certifications
Testimonials
Trusted By Builders & Homeowners
“I recently had a workshop built in my back garden by Instant Build. The team were extremely helpful throughout, and the frame went up in 3 days.”
“Instant Build supplied and installed a new roof extension on our bungalow. We certainly saw the benefit of using steel as the new roof was on within 10 days!”
“Instant Build supplied and installed our brand new roof and worked with us to get the design just right. The steel arrived in panels and was erected very quickly.”
“Instant Build were excellent from start to finish on a very complex design. Their service was fantastic, and the steel system they supplied was spot on.”
“Their products and service is excellent. The frames are brilliantly designed and are so easy to put together onsite, saving us hours in labour!”
“We have now agreed for Instant Build to be our sole supplier. Their service, competitive pricing, attention to detail and quality sets them apart.”
“The frames are well designed and delivered in a matter of days. The steel comes in panel form with detailed instructions so assembly is simple.”
“Instant Build provided an extremely large golf simulator project with a complex design. They were very supportive throughout the design phase.”