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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...
"Looking for job underpinning" - RM10, job posted 23/07/25
PHOENIX DEVELOPMNTS LONDON LTD
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
"Two storey extension" - DAGENHAM, job posted 13/07/25
Tony Rutter
Dagenham, RM10
Need an Extension Builder in RM10? Tony Rutter has been helping local clients (10 mile radius) with their extension buildering jobs for many years....
"10 years experience construction" - RM10, job posted 02/05/25
Sevcan Construction
Relax... you have found a reliable extension builder in RM10. Sevcan Construction is a friendly and reliable company based in RM10 who consider no ...
"Hi looking for job I can just underpin in garden" - RM10, job posted 02/05/25
S A BUILDERS & CONTRACTORS LTD
S A BUILDERS & CONTRACTORS LTD is a trusted extension builder serving customers in RM10 and the surrounding area. Contact us to today to get a comp...
"Underpinning Look for job underpinning My name oli call me 0750 711x xx" - RM10, job posted 24/01/25
MONOLITH CONSTRUCTION LTD
Need an Extension Builder in RM10? MONOLITH CONSTRUCTION LTD has been helping local clients (10 mile radius) with their extension buildering jobs f...
"Side return extension" - RM10, job posted 07/01/24
Buildem Ltd
Dagenham, RM10
Buildem Ltd is a trusted extension builder serving customers in RM10 and the surrounding area. Contact us to today to get a competitive quote for e...
Moss Roofing & Sons
Moss Roofing & Sons is an established and experienced local extension builder in RM10. Please contact us for a free, no obligation quote and compet...
KLR Shopfitters
KLR Shopfitters
RM82R
KLR Shopfitters supplies and fits modern aluminium shopfronts designed for strength, clarity, and long-lasting performance. Our service covers the ...
TS Building Works
Need an Extension Builder in RM10? TS Building Works has been helping local clients (10 mile radius) with their extension buildering jobs for many ...
M T Builders
Trusted and professional extension builder in RM10. Experienced in all extension buildering work and keeping within budget and on quote. M T Builde...
Jodan Building Contractors Ltd
Based in Dagenham Jodan Building Contractors Ltd are a father and son family run business who are reliable, professional, local kitchen fitters who...
VM Builders
Experienced extension builder ready to quote for your work. VM Builders is the best extension builder in RM10. No obligation free quotes and many h...
Smiths Property Maintenance
Lawrence Smith
Smiths Property Maintenance are here to help customers who need an Extension Builder in RM10. We offer a competitive rate to complete all your exte...
Valkon Build Ltd
Dagenham, RM10
Trusted and professional extension builder in RM10. Experienced in all extension buildering work and keeping within budget and on quote. Valkon Bui...
L.C.Hills Building & Refurbishment Services
Dagenham, RM10
L.C.Hills Building & Refurbishment Services is an established extension buildering business in RM10. We come highly recommended and provide competi...
£47/hr
£300/day
AshleysBuilding Limited
Need an Extension Builder in RM10? AshleysBuilding Limited has been helping local clients (10 mile radius) with their extension buildering jobs for...
£48/hr
£306/day
CV Builders Ltd
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
£42/hr
£266/day
Global Brickwork Ltd
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
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Use these steps to find Extension Builders in RM10 for FREE!
- Post your job: Click "Get quotes" and briefly describe your job.
- Enter your details: We’ll match you with Extension Builders in RM10. 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 RM10 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 - £26,224

Garden office - £10,224

Granny annexe - £87,224

Build a flat roof extension - £22,224

Convert a Garage - £16,224

Hip to gable loft conversion - £42,224

Convert a bungalow loft - £29,224

Build a dormer loft conversion - £42,224

Build a swimming pool - £81,224

Build a Mansard loft conversion - £52,224

Concrete foundations - £6,474

Underpin a building - £17,724

Two storey extension - £88,336

Convert a basement - £40,020

Side return extension - £44,020

Loft conversion - £35,850

Garage - £18,724

Single storey extension - £59,480

Outbuilding - £10,224

Install an RSJ - £2,424

Build a kitchen extension - £42,224
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