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FLEX CONSTRUCTION LIMITED
Joe
FLEX CONSTRUCTION LIMITED are here to help customers who need an Extension Builder in Grays. We offer a competitive rate to complete all your exten...
"RSJ installation across a 5 metre section of rear wall." - CHAFFORD HUNDRED, job posted 28/07/25
The England Team
The England Team is an established extension buildering business in Grays. We come highly recommended and provide competitive quotes for your work....
"Loft conversion" - THURROCK, job posted 09/07/25
C & B Multi-Trader
C & B Multi-Trader is an established extension buildering business in Grays. We come highly recommended and provide competitive quotes for your wor...
"Doma Loft conversion" - THURROCK, job posted 10/02/25
CIA Construction Limited
Experienced extension builder ready to quote for your work. CIA Construction Limited is the best extension builder in Grays. No obligation free quo...
"Loft conversion" - THURROCK, job posted 12/10/24
Kaizer Berg Ltd
Kaizer Berg Ltd is an established and experienced local extension builder in Grays. Please contact us for a free, no obligation quote and competiti...
"Loft conversion" - THURROCK, job posted 12/05/24
PALMERS BUILDERS LIMITED
Grays, RM17
Trusted and professional extension builder in Grays. Experienced in all extension buildering work and keeping within budget and on quote. PALMERS B...
£39/hr
£242/day
Renewvate
Experienced extension builder ready to quote for your work. Renewvate is the best extension builder in Grays. No obligation free quotes and many ha...
£37/hr
£233/day
Access Builders Direct LTD
Grays, RM17
Trusted and professional extension builder in Grays. Experienced in all extension buildering work and keeping within budget and on quote. Access Bu...
£44/hr
£276/day
MCM Building Services Limited
Our building services company MCM Building Services Limited has been helping customers in Essex and the surrounding area by providing professional,...
£40/hr
£246/day
Deen Construction & Renovations Ltd
At Deen Construction & Renovations Ltd, we offer a one stop solution for a range of property Constructions & Renovation projects, Maintenance, Full...
£41/hr
£262/day
Deen Construction & Renovations Ltd
Experienced extension builder ready to quote for your work. Deen Construction & Renovations Ltd is the best extension builder in Grays. No obligati...
£37/hr
£233/day
HYDER CONSTRUCTION LTD
HYDER CONSTRUCTION LTD is a trusted extension builder serving customers in Grays and the surrounding area. Contact us to today to get a competitive...
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- Enter your details: We’ll match you with Extension Builders in Grays. We’ll notify you via text or email when an Extension Builder is available to quote.
- Select your Extension Builder: Compare Extension Builders interested in working with you. You can use HaMuch to safely message local Grays 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 - £26,080
Garden office - £10,080
Granny annexe - £87,080
Build a flat roof extension - £22,080
Convert a Garage - £16,080
Hip to gable loft conversion - £42,080
Convert a bungalow loft - £29,080
Build a dormer loft conversion - £42,080
Build a swimming pool - £81,080
Build a Mansard loft conversion - £52,080
Concrete foundations - £6,330
Underpin a building - £17,580
Two storey extension - £88,120
Convert a basement - £38,400
Side return extension - £42,400
Loft conversion - £34,500
Garage - £18,580
Single storey extension - £56,600
Outbuilding - £10,080
Install an RSJ - £2,280
Build a kitchen extension - £42,080
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