Torrington Design
NIECEIC / NAAPIT GASSAFE WATER REGULATIONS We offer services towards completion of high end construction projects to dis...
"Did callout made safe my elctrical work thanks" - reviewed 16/05/23, REECYRUSSO
Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...
Mick Singh
At Building Services Contractors we pride ourselves on an efficient and friendly service, and strive to achieve 100% customer satisfaction.
Experienced extension builder ready to quote for your work. Five Star Builder is the best extension builder in Highbury. No obligation free quotes ...
Relax... you have found a reliable extension builder in Highbury. London Trowel Co. is a friendly and reliable company based in Highbury who consid...
Trusted and professional extension builder in Highbury. Experienced in all extension buildering work and keeping within budget and on quote. Thermo...
SLS BUILDERS LIMITED is a trusted extension builder serving customers in Highbury and the surrounding area. Contact us to today to get a competitiv...
Darren Bergin
Relax... you have found a reliable extension builder in Highbury. First guard Roofing is a friendly and reliable company based in Highbury who cons...
CK Constructions & Development Ltd is a trusted extension builder serving customers in Highbury and the surrounding area. Contact us to today to ge...
GS Fabric Ltd is an established and experienced local extension builder in Highbury. Please contact us for a free, no obligation quote and competit...

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 Highbury.
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 - £17,673

Two storey extension - £88,259

Build a timber frame extension - £26,173

Build a swimming pool - £81,173

Single storey extension - £58,456

Side return extension - £43,444

Install an RSJ - £2,373

Outbuilding - £10,173

Build a Mansard loft conversion - £52,173

Loft conversion - £35,370

Build a kitchen extension - £42,173

Hip to gable loft conversion - £42,173

Granny annexe - £87,173

Garden office - £10,173

Convert a Garage - £16,173

Garage - £18,673

Build a flat roof extension - £22,173

Build a dormer loft conversion - £42,173

Concrete foundations - £6,423

Convert a bungalow loft - £29,173

Convert a basement - £39,444