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...
Relax... you have found a reliable extension builder in Barbican. London Trowel Co. is a friendly and reliable company based in Barbican who consid...
Trusted and professional extension builder in Barbican. Experienced in all extension buildering work and keeping within budget and on quote. Thermo...
Darren Bergin
Relax... you have found a reliable extension builder in Barbican. First guard Roofing is a friendly and reliable company based in Barbican who cons...
CK Constructions & Development Ltd is a trusted extension builder serving customers in Barbican and the surrounding area. Contact us to today to ge...
A to Z Builders Ltd are here to help customers who need an Extension Builder in Barbican. We offer a competitive rate to complete all your extensio...
Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in Barbican. No obligation free...
JK Doors is a trusted extension builder serving customers in Barbican and the surrounding area. Contact us to today to get a competitive quote for ...
GS Fabric Ltd is an established and experienced local extension builder in Barbican. Please contact us for a free, no obligation quote and competit...

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 Barbican by posting a job with HaMuch and we will send it to extension builders in Barbican.
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 - £17,631

Two storey extension - £88,197

Build a timber frame extension - £26,131

Build a swimming pool - £81,131

Single storey extension - £57,624

Side return extension - £42,976

Install an RSJ - £2,331

Outbuilding - £10,131

Build a Mansard loft conversion - £52,131

Loft conversion - £34,980

Build a kitchen extension - £42,131

Hip to gable loft conversion - £42,131

Granny annexe - £87,131

Garden office - £10,131

Convert a Garage - £16,131

Garage - £18,631

Build a flat roof extension - £22,131

Build a dormer loft conversion - £42,131

Concrete foundations - £6,381

Convert a bungalow loft - £29,131

Convert a basement - £38,976