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Sean Smithers
Our building services company SDS Constructions has been established for many years and have been providing customers in Dagenham and the surroundi...
Relax... you have found a reliable extension builder in RM9. Major Building Contractors Ltd is a friendly and reliable company based in RM9 who con...
Decorating Building Service are here to help customers who need an Extension Builder in RM9. We offer a competitive rate to complete all your exten...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need an Extension Builder in RM9? Tony Rutter has been helping local clients (10 mile radius) with their extension buildering jobs for many years. ...
Relax... you have found a reliable extension builder in RM9. Sevcan Construction is a friendly and reliable company based in RM9 who consider no jo...
Becontree, RM9
Need an Extension Builder in RM9? MONOLITH CONSTRUCTION LTD has been helping local clients (10 mile radius) with their extension buildering jobs fo...
Buildem Ltd is a trusted extension builder serving customers in RM9 and the surrounding area. Contact us to today to get a competitive quote for ex...
B J CULLEN BUILDERS are here to help customers who need an Extension Builder in RM9. We offer a competitive rate to complete all your extension bui...
KLR Shopfitters
RM82R
KLR Shopfitters supplies and fits modern aluminium shopfronts designed for strength, clarity, and long-lasting performance. Our service covers the ...

Comparing extension builders estimates for a Convert a basement 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 to convert a basement in RM9 by posting a job with HaMuch and we will send it to extension builders in RM9.
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 - £17,691

Two storey extension - £88,287

Build a timber frame extension - £26,191

Build a swimming pool - £81,191

Single storey extension - £58,824

Side return extension - £43,651

Install an RSJ - £2,391

Outbuilding - £10,191

Build a Mansard loft conversion - £52,191

Loft conversion - £35,543

Build a kitchen extension - £42,191

Hip to gable loft conversion - £42,191

Granny annexe - £87,191

Garden office - £10,191

Convert a Garage - £16,191

Garage - £18,691

Build a flat roof extension - £22,191

Build a dormer loft conversion - £42,191

Concrete foundations - £6,441

Convert a bungalow loft - £29,191

Convert a basement - £39,651