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JK Doors is a trusted extension builder serving customers in Leicester Square and the surrounding area. Contact us to today to get a competitive qu...
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
SLS BUILDERS LIMITED is a trusted extension builder serving customers in Leicester Square and the surrounding area. Contact us to today to get a co...
Darren Bergin
Relax... you have found a reliable extension builder in Leicester Square. First guard Roofing is a friendly and reliable company based in Leicester...
Experienced extension builder ready to quote for your work. D & G Building & Decorating is the best extension builder in Leicester Square. No oblig...
CK Constructions & Development Ltd is a trusted extension builder serving customers in Leicester Square and the surrounding area. Contact us to tod...
A to Z Builders Ltd are here to help customers who need an Extension Builder in Leicester Square. We offer a competitive rate to complete all your ...
Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in Leicester Square. No obligat...
GS Fabric Ltd is an established and experienced local extension builder in Leicester Square. Please contact us for a free, no obligation quote and ...
JM Building Services is a trusted extension builder serving customers in Leicester Square and the surrounding area. Contact us to today to get a co...

Concrete foundations range from the £6,178 (GS Fabric Ltd based in E2) to £6,626 (CK Constructions & Development Ltd based in WC1N) in Leicester Square.
Comparing extension builders estimates for laying concrete foundations gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Find out the exact cost of laying concrete foundations in Leicester Square by posting a job with HaMuch. We will send it to extension builders who can give you a detailed quote.
"Concrete foundation" - W1T, job posted 01/01/70
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 - £17,622

Two storey extension - £88,184

Build a timber frame extension - £26,122

Build a swimming pool - £81,122

Single storey extension - £57,448

Side return extension - £42,877

Install an RSJ - £2,322

Outbuilding - £10,122

Build a Mansard loft conversion - £52,122

Loft conversion - £34,898

Build a kitchen extension - £42,122

Hip to gable loft conversion - £42,122

Granny annexe - £87,122

Garden office - £10,122

Convert a Garage - £16,122

Garage - £18,622

Build a flat roof extension - £22,122

Build a dormer loft conversion - £42,122

Concrete foundations - £6,372

Convert a bungalow loft - £29,122

Convert a basement - £38,877