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SH Enterprise
Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...
SLS BUILDERS LIMITED
SLS BUILDERS LIMITED is a trusted extension builder serving customers in High Holborn and the surrounding area. Contact us to today to get a compet...
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
Thermodynamic Building Services Ltd
Trusted and professional extension builder in High Holborn. Experienced in all extension buildering work and keeping within budget and on quote. Th...
Reid and Co Developments Ltd
Jay Reid
First guard Roofing
Darren Bergin
Relax... you have found a reliable extension builder in High Holborn. First guard Roofing is a friendly and reliable company based in High Holborn ...
CK Constructions & Development Ltd
CK Constructions & Development Ltd is a trusted extension builder serving customers in High Holborn and the surrounding area. Contact us to today t...
A to Z Builders Ltd
A to Z Builders Ltd are here to help customers who need an Extension Builder in High Holborn. We offer a competitive rate to complete all your exte...
Cornerstones Construction
Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in High Holborn. No obligation ...
JK Doors
JK Doors is a trusted extension builder serving customers in High Holborn and the surrounding area. Contact us to today to get a competitive quote ...
Extension builder estimates (based on hourly rates) to build a single storey extension in High Holborn
- How much does a single storey extension cost?
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Estimates for common extension builder jobs in High Holborn;
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 - £17,849
Two storey extension - £88,523
Build a timber frame extension - £26,349
Build a swimming pool - £81,349
Single storey extension - £61,976
Side return extension - £45,424
Install an RSJ - £2,549
Outbuilding - £10,349
Build a Mansard loft conversion - £52,349
Loft conversion - £37,020
Build a kitchen extension - £42,349
Hip to gable loft conversion - £42,349
Granny annexe - £87,349
Garden office - £10,349
Convert a Garage - £16,349
Garage - £18,849
Build a flat roof extension - £22,349
Build a dormer loft conversion - £42,349
Concrete foundations - £6,599
Convert a bungalow loft - £29,349
Convert a basement - £41,424