Sean Smithers
Our building services company SDS Constructions has been established for many years and have been providing customers in Dagenham and the surroundi...
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...
From £6,130
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...
Need to find an Extension Builder near you for all your extension buildering work?
ESK Builders provides a local, trusted extension builder...
Need an Extension Builder in Becontree? MD Building & Project Management Ltd has been helping local clients (10 mile radius) with their extension b...
S A BUILDERS & CONTRACTORS LTD is a trusted extension builder serving customers in Becontree and the surrounding area. Contact us to today to get a...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Relax... you have found a reliable extension builder in Becontree. Sevcan Construction is a friendly and reliable company based in Becontree who co...
Need an Extension Builder in Becontree? MONOLITH CONSTRUCTION LTD has been helping local clients (10 mile radius) with their extension buildering j...
Need an Extension Builder in Becontree? Tony Rutter has been helping local clients (10 mile radius) with their extension buildering jobs for many y...

Concrete foundations range from the £5,666 (RTC Plumbers based in RM6) to £6,618 (MONOLITH CONSTRUCTION LTD based in RM9) in Becontree.
Comparing extension builders estimates for laying concrete foundations gives you an idea of who will be better value, but the best way to compare costs is to get actual quotes.
Find out the exact cost of laying concrete foundations in Becontree by posting a job with HaMuch. We will send it to extension builders who can give you a detailed quote.
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 - £17,618

Two storey extension - £88,178

Build a timber frame extension - £26,118

Build a swimming pool - £81,118

Single storey extension - £57,368

Side return extension - £42,832

Install an RSJ - £2,318

Outbuilding - £10,118

Build a Mansard loft conversion - £52,118

Loft conversion - £34,860

Build a kitchen extension - £42,118

Hip to gable loft conversion - £42,118

Granny annexe - £87,118

Garden office - £10,118

Convert a Garage - £16,118

Garage - £18,618

Build a flat roof extension - £22,118

Build a dormer loft conversion - £42,118

Concrete foundations - £6,368

Convert a bungalow loft - £29,118

Convert a basement - £38,832