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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
Tony Rutter
Need an Extension Builder in Becontree? Tony Rutter has been helping local clients (10 mile radius) with their extension buildering jobs for many y...
"Two storey extension" - DAGENHAM, job posted 13/07/25
Decorating Building Service
Decorating Building Service are here to help customers who need an Extension Builder in Becontree. We offer a competitive rate to complete all your...
"10 years experience construction" - RM10, job posted 02/05/25
Sevcan Construction
Relax... you have found a reliable extension builder in Becontree. Sevcan Construction is a friendly and reliable company based in Becontree who co...
"Hi looking for job I can just underpin in garden" - RM10, job posted 02/05/25
MONOLITH CONSTRUCTION LTD
Need an Extension Builder in Becontree? MONOLITH CONSTRUCTION LTD has been helping local clients (10 mile radius) with their extension buildering j...
"Side return extension cost for a ground floor." - IG11, job posted 17/03/25
Buildem Ltd
Buildem Ltd is a trusted extension builder serving customers in Becontree and the surrounding area. Contact us to today to get a competitive quote ...
"Underpinning Look for job underpinning My name oli call me 0750 711x xx" - RM10, job posted 24/01/25
B J CULLEN BUILDERS
B J CULLEN BUILDERS are here to help customers who need an Extension Builder in Becontree. We offer a competitive rate to complete all your extensi...
"Side return extension" - RM10, job posted 07/01/24
Major Building Contractors Ltd
Relax... you have found a reliable extension builder in Becontree. Major Building Contractors Ltd is a friendly and reliable company based in Becon...
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 Becontree? TS Building Works has been helping local clients (10 mile radius) with their extension buildering jobs for ...
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...
Valkon Build Ltd
Trusted and professional extension builder in Becontree. Experienced in all extension buildering work and keeping within budget and on quote. Valko...
L.C.Hills Building & Refurbishment Services
L.C.Hills Building & Refurbishment Services is an established extension buildering business in Becontree. We come highly recommended and provide co...
£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...
£43/hr
£273/day
A TEAM CONSTRUCTION LTD
Trusted and professional extension builder in Becontree. Experienced in all extension buildering work and keeping within budget and on quote. A TEA...
£41/hr
£256/day
RNB BUILDERS LTD
RNB BUILDERS LTD is an established and experienced local extension builder in Becontree. Please contact us for a free, no obligation quote and comp...
£42/hr
£266/day
R B Building Services
R B Building Services are here to help customers who need an Extension Builder in Becontree. We offer a competitive rate to complete all your exten...
£42/hr
£271/day
M & M Plumbing & Heating
M & M Plumbing & Heating is a trusted extension builder serving customers in Becontree and the surrounding area. Contact us to today to get a compe...
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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 - £26,176

Garden office - £10,176

Granny annexe - £87,176

Build a flat roof extension - £22,176

Convert a Garage - £16,176

Hip to gable loft conversion - £42,176

Convert a bungalow loft - £29,176

Build a dormer loft conversion - £42,176

Build a swimming pool - £81,176

Build a Mansard loft conversion - £52,176

Concrete foundations - £6,426

Underpin a building - £17,676

Two storey extension - £88,264

Convert a basement - £39,480

Side return extension - £43,480

Loft conversion - £35,400

Garage - £18,676

Single storey extension - £58,520

Outbuilding - £10,176

Install an RSJ - £2,376

Build a kitchen extension - £42,176
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