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Need the extension buildering job done quickly without breaking the bank? SH Enterprise offer fast, reliable, and affordable extension buildering s...
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
Relax... you have found a reliable extension builder in Old Broad Street. London Trowel Co. is a friendly and reliable company based in Old Broad S...
Trusted and professional extension builder in Old Broad Street. Experienced in all extension buildering work and keeping within budget and on quote...
Experienced extension builder ready to quote for your work. Glenward Builders Ltd is the best extension builder in Old Broad Street. No obligation ...
CK Constructions & Development Ltd is a trusted extension builder serving customers in Old Broad Street and the surrounding area. Contact us to tod...
A to Z Builders Ltd are here to help customers who need an Extension Builder in Old Broad Street. 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 Old Broad Street. No obligat...
JK Doors is a trusted extension builder serving customers in Old Broad Street and the surrounding area. Contact us to today to get a competitive qu...
GS Fabric Ltd is an established and experienced local extension builder in Old Broad Street. Please contact us for a free, no obligation quote and ...

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 Old Broad Street by posting your job to extension builders in Old Broad Street.
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 - £17,620

Two storey extension - £88,180

Build a timber frame extension - £26,120

Build a swimming pool - £81,120

Single storey extension - £57,400

Side return extension - £42,850

Install an RSJ - £2,320

Outbuilding - £10,120

Build a Mansard loft conversion - £52,120

Loft conversion - £34,875

Build a kitchen extension - £42,120

Hip to gable loft conversion - £42,120

Granny annexe - £87,120

Garden office - £10,120

Convert a Garage - £16,120

Garage - £18,620

Build a flat roof extension - £22,120

Build a dormer loft conversion - £42,120

Concrete foundations - £6,370

Convert a bungalow loft - £29,120

Convert a basement - £38,850