Relax... you have found a reliable extension builder in E9. London Trowel Co. is a friendly and reliable company based in E9 who consider no job as...
Trusted and professional extension builder in E9. Experienced in all extension buildering work and keeping within budget and on quote. Thermodynami...
Experienced extension builder ready to quote for your work. Glenward Builders Ltd is the best extension builder in E9. No obligation free quotes an...
Mick Singh
At Building Services Contractors we pride ourselves on an efficient and friendly service, and strive to achieve 100% customer satisfaction.
GS Fabric Ltd is an established and experienced local extension builder in E9. Please contact us for a free, no obligation quote and competitive ra...
Trusted and professional extension builder in E9. Experienced in all extension buildering work and keeping within budget and on quote. GNB Construc...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Daniel Dixon
Need to find an Extension Builder near you for all your extension buildering work?
Renobuild Group provides a local, trusted extension buil...
, E9
Carland Builders Ltd are here to help customers who need an Extension Builder in E9. We offer a competitive rate to complete all your extension bui...
Relax... you have found a reliable extension builder in E9. Carbin Canopy is a friendly and reliable company based in E9 who consider no job as too...

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 E9 by posting your job to extension builders in E9.
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 - £17,659

Two storey extension - £88,239

Build a timber frame extension - £26,159

Build a swimming pool - £81,159

Single storey extension - £58,184

Side return extension - £43,291

Install an RSJ - £2,359

Outbuilding - £10,159

Build a Mansard loft conversion - £52,159

Loft conversion - £35,243

Build a kitchen extension - £42,159

Hip to gable loft conversion - £42,159

Granny annexe - £87,159

Garden office - £10,159

Convert a Garage - £16,159

Garage - £18,659

Build a flat roof extension - £22,159

Build a dormer loft conversion - £42,159

Concrete foundations - £6,409

Convert a bungalow loft - £29,159

Convert a basement - £39,291