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FLEX CONSTRUCTION LIMITED are here to help customers who need an Extension Builder in RM17. We offer a competitive rate to complete all your extens...
The England Team is an established extension buildering business in RM17. We come highly recommended and provide competitive quotes for your work.<...
C & B Multi-Trader is an established extension buildering business in RM17. We come highly recommended and provide competitive quotes for your work...
Experienced extension builder ready to quote for your work. CIA Construction Limited is the best extension builder in RM17. No obligation free quot...
Kaizer Berg Ltd is an established and experienced local extension builder in RM17. Please contact us for a free, no obligation quote and competitiv...
Trusted and professional extension builder in RM17. Experienced in all extension buildering work and keeping within budget and on quote. PALMERS BU...
From £21,936
Essex, RM17
Experienced extension builder ready to quote for your work. Renewvate is the best extension builder in RM17. No obligation free quotes and many hap...
From £21,864
Trusted and professional extension builder in RM17. Experienced in all extension buildering work and keeping within budget and on quote. Access Bui...
From £22,208
Our building services company MCM Building Services Limited has been helping customers in Essex and the surrounding area by providing professional,...
From £22,096
Experienced extension builder ready to quote for your work. Deen Construction & Renovations Ltd is the best extension builder in RM17. No obligatio...

A flat roof extension ranges from the cheapest of £21,864 (Access Builders Direct LTD based in RM17) to the dearest of £22,392 (The England Team based in RM16), but these are just estimates. While they give you an idea of who will be better value, the best way to compare costs is to get real quotes.
Find out how much your flat roof extension will cost in RM17 by posting a job with HaMuch. We'll send it to extension builders in RM17.
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 - £17,614

Two storey extension - £88,172

Build a timber frame extension - £26,114

Build a swimming pool - £81,114

Single storey extension - £57,288

Side return extension - £42,787

Install an RSJ - £2,314

Outbuilding - £10,114

Build a Mansard loft conversion - £52,114

Loft conversion - £34,823

Build a kitchen extension - £42,114

Hip to gable loft conversion - £42,114

Granny annexe - £87,114

Garden office - £10,114

Convert a Garage - £16,114

Garage - £18,614

Build a flat roof extension - £22,114

Build a dormer loft conversion - £42,114

Concrete foundations - £6,364

Convert a bungalow loft - £29,114

Convert a basement - £38,787