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Keith Andrews Building
Grays, RM16
Experienced extension builder ready to quote for your work. Keith Andrews Building is the best extension builder in RM16. No obligation free quotes...
"RSJ installation across a 5 metre section of rear wall." - CHAFFORD HUNDRED, job posted 28/07/25
FLEX CONSTRUCTION LIMITED
Joe
FLEX CONSTRUCTION LIMITED are here to help customers who need an Extension Builder in RM16. We offer a competitive rate to complete all your extens...
"Loft conversion" - THURROCK, job posted 09/07/25
The England Team
Chafford Hundred, RM16
The England Team is an established extension buildering business in RM16. We come highly recommended and provide competitive quotes for your work.<...
"Doma Loft conversion" - THURROCK, job posted 10/02/25
C & B Multi-Trader
C & B Multi-Trader is an established extension buildering business in RM16. We come highly recommended and provide competitive quotes for your work...
"Loft conversion" - THURROCK, job posted 12/10/24
Kaizer Berg Ltd
Chafford Hundred, RM16
Kaizer Berg Ltd is an established and experienced local extension builder in RM16. Please contact us for a free, no obligation quote and competitiv...
"Loft conversion" - THURROCK, job posted 12/05/24
PALMERS BUILDERS LIMITED
Trusted and professional extension builder in RM16. Experienced in all extension buildering work and keeping within budget and on quote. PALMERS BU...
£37/hr
£241/day
SC SMITH BUILDING CONTRACTORS
Chafford Hundred, RM16
Relax... you have found a reliable extension builder in RM16. SC SMITH BUILDING CONTRACTORS is a friendly and reliable company based in RM16 who co...
£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,...
£37/hr
£233/day
Access Builders Direct LTD
Trusted and professional extension builder in RM16. Experienced in all extension buildering work and keeping within budget and on quote. Access Bui...
£39/hr
£242/day
Renewvate
Experienced extension builder ready to quote for your work. Renewvate is the best extension builder in RM16. No obligation free quotes and many hap...
Quickly find an Extension Builder in RM16
Use these steps to find Extension Builders in RM16 for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in RM16. 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 RM16 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 - £26,104

Garden office - £10,104

Granny annexe - £87,104

Build a flat roof extension - £22,104

Convert a Garage - £16,104

Hip to gable loft conversion - £42,104

Convert a bungalow loft - £29,104

Build a dormer loft conversion - £42,104

Build a swimming pool - £81,104

Build a Mansard loft conversion - £52,104

Concrete foundations - £6,354

Underpin a building - £17,604

Two storey extension - £88,156

Convert a basement - £38,670

Side return extension - £42,670

Loft conversion - £34,725

Garage - £18,604

Single storey extension - £57,080

Outbuilding - £10,104

Install an RSJ - £2,304

Build a kitchen extension - £42,104
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