From £45,190
Grays, RM17
Trusted and professional extension builder in RM17. Experienced in all extension buildering work and keeping within budget and on quote. PALMERS BU...
From £40,780
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 £42,580
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...
From £39,970
Trusted and professional extension builder in RM17. Experienced in all extension buildering work and keeping within budget and on quote. Access Bui...
From £43,840
Our building services company MCM Building Services Limited has been helping customers in Essex and the surrounding area by providing professional,...
From £45,910
The England Team is an established extension buildering business in RM17. We come highly recommended and provide competitive quotes for your work.<...
From £42,580
Experienced extension builder ready to quote for your work. Deen Construction & Renovations Ltd is the best extension builder in RM17. No obligatio...
From £41,140
At Deen Construction & Renovations Ltd, we offer a one stop solution for a range of property Constructions & Renovation projects, Maintenance, Full...
From £41,140
Kaizer Berg Ltd is an established and experienced local extension builder in RM17. Please contact us for a free, no obligation quote and competitiv...
From £45,730
C & B Multi-Trader is an established extension buildering business in RM17. We come highly recommended and provide competitive quotes for your work...

Comparing extension builders estimates for Side return extension 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 a side return extention by posting your job 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 - £17,623

Two storey extension - £88,185

Build a timber frame extension - £26,123

Build a swimming pool - £81,123

Single storey extension - £57,464

Side return extension - £42,886

Install an RSJ - £2,323

Outbuilding - £10,123

Build a Mansard loft conversion - £52,123

Loft conversion - £34,905

Build a kitchen extension - £42,123

Hip to gable loft conversion - £42,123

Granny annexe - £87,123

Garden office - £10,123

Convert a Garage - £16,123

Garage - £18,623

Build a flat roof extension - £22,123

Build a dormer loft conversion - £42,123

Concrete foundations - £6,373

Convert a bungalow loft - £29,123

Convert a basement - £38,886