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Experienced extension builder ready to quote for your work. CC&D BUILDING LTD is the best extension builder in Canary Wharf. No obligation free quo...
Trusted and professional extension builder in Canary Wharf. Experienced in all extension buildering work and keeping within budget and on quote. GN...
Experienced extension builder ready to quote for your work. Glenward Builders Ltd is the best extension builder in Canary Wharf. No obligation free...
Trusted and professional extension builder in Canary Wharf. Experienced in all extension buildering work and keeping within budget and on quote. Ch...
GS Fabric Ltd is an established and experienced local extension builder in Canary Wharf. Please contact us for a free, no obligation quote and comp...
KAROL OMILIAN BUILDING SERVICE is a trusted extension builder serving customers in Canary Wharf and the surrounding area. Contact us to today to ge...
Experienced extension builder ready to quote for your work. PJ Lane is the best extension builder in Canary Wharf. No obligation free quotes and ma...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
At Home Tranformers Ltd we have been fitting bespoke bathrooms for over 10 years. We pride ourselves on being the go-to bathroom fitters for discer...
Need to find an Extension Builder near you for all your extension buildering work?
Ask Building provides a local, trusted extension builder...

In Canary Wharf, prices for dormer loft conversions range from £41,904 (ALRIMO CONSTRUCTION LTD based in E15) to £42,456 (Ask Building based in SE1), but how much your conversion costs will vary depending on the size of your property, how easy access to your roof is and what you want to use the space for.
The best way to get an accurate price is to compare quotes from extension builders in Canary Wharf. Post your job on HaMuch now and we'll put you in touch with available extension builders.
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 - £17,658

Two storey extension - £88,238

Build a timber frame extension - £26,158

Build a swimming pool - £81,158

Single storey extension - £58,168

Side return extension - £43,282

Install an RSJ - £2,358

Outbuilding - £10,158

Build a Mansard loft conversion - £52,158

Loft conversion - £35,235

Build a kitchen extension - £42,158

Hip to gable loft conversion - £42,158

Granny annexe - £87,158

Garden office - £10,158

Convert a Garage - £16,158

Garage - £18,658

Build a flat roof extension - £22,158

Build a dormer loft conversion - £42,158

Concrete foundations - £6,408

Convert a bungalow loft - £29,158

Convert a basement - £39,282