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SDS Constructions
Sean Smithers
Our building services company SDS Constructions has been established for many years and have been providing customers in Dagenham and the surroundi...
From £32,625
Can design and Construction
Erald Kanani
Member since August 2025
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Render
Experienced extension builder ready to quote for your work. Render is the best extension builder in Gants Hill. No obligation free quotes and many ...
Decorating Building Service
Decorating Building Service are here to help customers who need an Extension Builder in Gants Hill. We offer a competitive rate to complete all you...
From £35,400
Fedora and sons Ltd
MIHAI Martolea
Member since September 2026
Fedora and sons Ltd is a trusted extension builder serving customers in Gants Hill and the surrounding area. Contact us to today to get a competiti...
RTC Plumbers
Shaik Jamal
Welcome to RTC Plumbers! With over 15 years of experience, we offer a range of plumbing services from simple repairs to complex installations, each...
ESK Builders
Need to find an Extension Builder near you for all your extension buildering work?
ESK Builders provides a local, trusted extension builder...
Guven Buildings LTD
Hikmet Guven
skilled worker who specializes in completing a wide range of building and renovation projects
MD Building & Project Management Ltd
Need an Extension Builder in Gants Hill? MD Building & Project Management Ltd has been helping local clients (10 mile radius) with their extension ...
UK Drywall Ltd
UK Drywall Ltd is an established and experienced local extension builder in Gants Hill. Please contact us for a free, no obligation quote and compe...
Cheapest builders for loft conversion in Gants Hill
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 Gants Hill by posting your job to extension builders in Gants Hill.
"Loft conversion" - SEVEN KINGS, job posted 01/01/70
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Estimates for common extension builder jobs in Gants Hill;
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 - £17,675
Two storey extension - £88,263
Build a timber frame extension - £26,175
Build a swimming pool - £81,175
Single storey extension - £58,504
Side return extension - £43,471
Install an RSJ - £2,375
Outbuilding - £10,175
Build a Mansard loft conversion - £52,175
Loft conversion - £35,393
Build a kitchen extension - £42,175
Hip to gable loft conversion - £42,175
Granny annexe - £87,175
Garden office - £10,175
Convert a Garage - £16,175
Garage - £18,675
Build a flat roof extension - £22,175
Build a dormer loft conversion - £42,175
Concrete foundations - £6,425
Convert a bungalow loft - £29,175
Convert a basement - £39,471