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SLS BUILDERS LIMITED
SLS BUILDERS LIMITED is a trusted extension builder serving customers in Clerkenwell and the surrounding area. Contact us to today to get a competi...
Torrington
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
SH Enterprise
Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...
London Trowel Co.
Relax... you have found a reliable extension builder in Clerkenwell. London Trowel Co. is a friendly and reliable company based in Clerkenwell who ...
Thermodynamic Building Services Ltd
Trusted and professional extension builder in Clerkenwell. Experienced in all extension buildering work and keeping within budget and on quote. The...
Reid and Co Developments Ltd
Jay Reid
First guard Roofing
Darren Bergin
Relax... you have found a reliable extension builder in Clerkenwell. First guard Roofing is a friendly and reliable company based in Clerkenwell wh...
CK Constructions & Development Ltd
CK Constructions & Development Ltd is a trusted extension builder serving customers in Clerkenwell and the surrounding area. Contact us to today to...
A to Z Builders Ltd
A to Z Builders Ltd are here to help customers who need an Extension Builder in Clerkenwell. We offer a competitive rate to complete all your exten...
Cornerstones Construction
Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in Clerkenwell. No obligation f...
Cheapest builders for loft conversion in Clerkenwell
Comparing extension builders estimates for Loft conversion 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 of a loft conversion in Clerkenwell by posting your job to extension builders in Clerkenwell.
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Estimates for common extension builder jobs in Clerkenwell;
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 - £17,870
Two storey extension - £88,554
Build a timber frame extension - £26,370
Build a swimming pool - £81,370
Single storey extension - £62,392
Side return extension - £45,658
Install an RSJ - £2,570
Outbuilding - £10,370
Build a Mansard loft conversion - £52,370
Loft conversion - £37,215
Build a kitchen extension - £42,370
Hip to gable loft conversion - £42,370
Granny annexe - £87,370
Garden office - £10,370
Convert a Garage - £16,370
Garage - £18,870
Build a flat roof extension - £22,370
Build a dormer loft conversion - £42,370
Concrete foundations - £6,620
Convert a bungalow loft - £29,370
Convert a basement - £41,658