Gani Bush
Gb construction are here to help customers who need an Extension Builder in SM6. We offer a competitive rate to complete all your extension builde...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Homeowners look no further if you want a qualified extension builder to work in your home. LCD Pixel Construction Ltd are tidy and neat, providing ...
Experienced extension builder ready to quote for your work. HELIX BUILDING SOLUTIONS LTD is the best extension builder in SM6. No obligation free q...
Total Construction is an established extension buildering business in SM6. We come highly recommended and provide competitive quotes for your work....
REA CONSTRUCTION LTD are here to help customers who need an Extension Builder in SM6. We offer a competitive rate to complete all your extension bu...
Wallington, SM6
Relax... you have found a reliable extension builder in SM6. D & R Roofing & Loft Conversions, Building & Design is a friendly and reliable company...
Experienced extension builder ready to quote for your work. Rayner & Cook Building Services is the best extension builder in SM6. No obligation fre...
IK Builders is an established extension buildering business in SM6. We come highly recommended and provide competitive quotes for your work.
Need to find an Extension Builder near you for all your extension buildering work?
UK Services & Supplies Ltd provides a local, trusted ext...

Comparing extension builders estimates for Loft conversion gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for the cost of a loft conversion in SM6 by posting your job to extension builders in SM6.
Whether you’re looking to extend your kitchen with a side return extension or you want to convert your basement into a liveable space, read our cost guides to get an idea of how much each project costs before getting a more accurate quote from our database of reliable tradespeople.

Underpin a building - £17,632

Two storey extension - £88,198

Build a timber frame extension - £26,132

Build a swimming pool - £81,132

Single storey extension - £57,640

Side return extension - £42,985

Install an RSJ - £2,332

Outbuilding - £10,132

Build a Mansard loft conversion - £52,132

Loft conversion - £34,988

Build a kitchen extension - £42,132

Hip to gable loft conversion - £42,132

Granny annexe - £87,132

Garden office - £10,132

Convert a Garage - £16,132

Garage - £18,632

Build a flat roof extension - £22,132

Build a dormer loft conversion - £42,132

Concrete foundations - £6,382

Convert a bungalow loft - £29,132

Convert a basement - £38,985