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JK Doors is a trusted extension builder serving customers in Mansion House and the surrounding area. Contact us to today to get a competitive quote...
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
Need an Extension Builder in Mansion House? Exquisite Design & Build Ltd has been helping local clients (5 mile radius) with their extension builde...
Relax... you have found a reliable extension builder in Mansion House. London Trowel Co. is a friendly and reliable company based in Mansion House ...
Trusted and professional extension builder in Mansion House. Experienced in all extension buildering work and keeping within budget and on quote. T...
CK Constructions & Development Ltd is a trusted extension builder serving customers in Mansion House and the surrounding area. Contact us to today ...
A to Z Builders Ltd are here to help customers who need an Extension Builder in Mansion House. We offer a competitive rate to complete all your ext...
Experienced extension builder ready to quote for your work. Cornerstones Construction is the best extension builder in Mansion House. No obligation...
GS Fabric Ltd is an established and experienced local extension builder in Mansion House. Please contact us for a free, no obligation quote and com...
JM Building Services is a trusted extension builder serving customers in Mansion House and the surrounding area. Contact us to today to get a compe...

Kitchen extensions in Mansion House range from the cheapest of £41,928 (GS Fabric Ltd based in E2) to the dearest of £42,376 (Exquisite Design & Build Ltd based in SE16), but these are just estimates based on our database of hourly and daily rates from tradespeople across the country.
The best way to get an accurate price for your kitchen extension is to get actual quotes. Post your job on HaMuch now and we'll send it to extension builders in Mansion House.
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 - £17,652

Two storey extension - £88,228

Build a timber frame extension - £26,152

Build a swimming pool - £81,152

Single storey extension - £58,040

Side return extension - £43,210

Install an RSJ - £2,352

Outbuilding - £10,152

Build a Mansard loft conversion - £52,152

Loft conversion - £35,175

Build a kitchen extension - £42,152

Hip to gable loft conversion - £42,152

Granny annexe - £87,152

Garden office - £10,152

Convert a Garage - £16,152

Garage - £18,652

Build a flat roof extension - £22,152

Build a dormer loft conversion - £42,152

Concrete foundations - £6,402

Convert a bungalow loft - £29,152

Convert a basement - £39,210