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Red Box Maintenance Ltd
Red Box are a Fulham-based building and decorating business who work in West and Southwest London, and who specialise in fine interior renovations,...
"Loft conversion" - W12, job posted 21/04/25
M & A UK Ltd
Relax... you have found a reliable extension builder in Hammersmith. M & A UK Ltd is a friendly and reliable company based in Hammersmith who consi...
"Loft conversion" - W12, job posted 20/04/25
AJ Wells
Need to find an Extension Builder near you for all your extension buildering work?
AJ Wells provides a local, trusted extension buildering ...
"Loft conversion" - W12, job posted 23/10/24
Newpark Construction
Newpark Construction are here to help customers who need an Extension Builder in Hammersmith. We offer a competitive rate to complete all your exte...
"Flat roof extension for a period mews terraced house. We'd like a bedroom extension with full bathroom and a roof top terrace. Footprint is roughly 8.5m x 6m." - W6, job posted 06/10/24
The Diamond Property Service Ltd
Tomasz Pedowicz
Hi we have 15 years of experience in building and construction industry our specialization is bathrooms and renovations please have a look at the w...
"Mansard loft conversion" - SHEPHERD'S BUSH, job posted 26/09/24
HUGHES BUILDERS
Experienced extension builder ready to quote for your work. HUGHES BUILDERS is the best extension builder in Hammersmith. No obligation free quotes...
"Side return extension" - SW13, job posted 24/08/23
R Burton & Sons Builders
R Burton & Sons Builders are here to help customers who need an Extension Builder in Hammersmith. We offer a competitive rate to complete all your ...
"Basement conversion" - W4, job posted 07/08/23
Heaven Sent Construction
Need to find an Extension Builder near you for all your extension buildering work?
Heaven Sent Construction provides a local, trusted exten...
H G Builders
H G Builders is an established and experienced local extension builder in Hammersmith. Please contact us for a free, no obligation quote and compet...
Graham Construction
Graham Construction is an established extension buildering business in Hammersmith. We come highly recommended and provide competitive quotes for y...
Specialist Screeding
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
True Linear
True Linear
Relax... you have found a reliable extension builder in Hammersmith. True Linear is a friendly and reliable company based in Hammersmith who consid...
JNJ Building Services Ltd
Experienced extension builder ready to quote for your work. JNJ Building Services Ltd is the best extension builder in Hammersmith. No obligation f...
TELEMARK CONSTRUCTION LTD
TELEMARK CONSTRUCTION LTD is a trusted extension builder serving customers in Hammersmith and the surrounding area. Contact us to today to get a co...
£43/hr
£269/day
Good Design and Build
Good Design and Build are here to help customers who need an Extension Builder in Hammersmith. We offer a competitive rate to complete all your ext...
£47/hr
£292/day
Smart Property Sourcing
Smart Property Sourcing is a trusted extension builder serving customers in Hammersmith and the surrounding area. Contact us to today to get a comp...
£48/hr
£299/day
Darlo Ltd
Darlo Ltd has over 20 years of constructing, refurbishing and transforming buildings for home-owners and commercial clients. We offer a one stop so...
£50/hr
£311/day
K & S
At K&S Interiors Ltd, we offer complete interior and exterior specialising in full home or office refurbishment to clients in Kensington, Chelsea a...
£49/hr
£304/day
Clay Design & Build
Welcome to Clay. We’re a design and build atelier dedicated to transforming our clients’ spaces. Through a bespoke approach, we create designs ...
£45/hr
£282/day
Vyas Design
Need to find an Extension Builder near you for all your extension buildering work?
Vyas Design provides a local, trusted extension builderi...
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- Post your job: Click "Get quotes" and briefly describe your job.
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- Select your Extension Builder: Compare Extension Builders interested in working with you. You can use HaMuch to safely message local Hammersmith Extension Builders or phone them directly - you’re in control!
Local Extension Builders in London Boroughs
Job estimates from extension builders near you
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.
Build a timber frame extension - £26,192
Garden office - £10,192
Granny annexe - £87,192
Build a flat roof extension - £22,192
Convert a Garage - £16,192
Hip to gable loft conversion - £42,192
Convert a bungalow loft - £29,192
Build a dormer loft conversion - £42,192
Build a swimming pool - £81,192
Build a Mansard loft conversion - £52,192
Concrete foundations - £6,442
Underpin a building - £17,692
Two storey extension - £88,288
Convert a basement - £39,660
Side return extension - £43,660
Loft conversion - £35,550
Garage - £18,692
Single storey extension - £58,840
Outbuilding - £10,192
Install an RSJ - £2,392
Build a kitchen extension - £42,192
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