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
Experienced extension builder ready to quote for your work. Glenward Builders Ltd is the best extension builder in Broadgate. No obligation free qu...
Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...
CK Constructions & Development Ltd is a trusted extension builder serving customers in Broadgate and the surrounding area. Contact us to today to g...
A to Z Builders Ltd are here to help customers who need an Extension Builder in Broadgate. We offer a competitive rate to complete all your extensi...
Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in Broadgate. No obligation fre...
JK Doors is a trusted extension builder serving customers in Broadgate 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 Broadgate. Please contact us for a free, no obligation quote and competi...
Trusted and professional extension builder in Broadgate. Experienced in all extension buildering work and keeping within budget and on quote. Therm...
JM Building Services is a trusted extension builder serving customers in Broadgate and the surrounding area. Contact us to today to get a competiti...

Underpinning ranges from £17,428 (GS Fabric Ltd based in E2) to £17,876 (CK Constructions & Development Ltd based in WC1N), but the final cost will depend on the method of underpinning used, how much of your foundations need underpinning and where you live.
Comparing extension builders estimates for underpinning gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
Get quotes to underpin your home in Broadgate by posting a job with HaMuch and we will send it to extension builders in Broadgate.
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 - £17,605

Two storey extension - £88,157

Build a timber frame extension - £26,105

Build a swimming pool - £81,105

Single storey extension - £57,096

Side return extension - £42,679

Install an RSJ - £2,305

Outbuilding - £10,105

Build a Mansard loft conversion - £52,105

Loft conversion - £34,733

Build a kitchen extension - £42,105

Hip to gable loft conversion - £42,105

Granny annexe - £87,105

Garden office - £10,105

Convert a Garage - £16,105

Garage - £18,605

Build a flat roof extension - £22,105

Build a dormer loft conversion - £42,105

Concrete foundations - £6,355

Convert a bungalow loft - £29,105

Convert a basement - £38,679