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 £40,150
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...
Hikmet Guven
skilled worker who specializes in completing a wide range of building and renovation projects
Need an Extension Builder in Gants Hill? MD Building & Project Management Ltd has been helping local clients (10 mile radius) with their extension ...
UK Drywall Ltd is an established and experienced local extension builder in Gants Hill. Please contact us for a free, no obligation quote and compe...
Decorating Building Service are here to help customers who need an Extension Builder in Gants Hill. We offer a competitive rate to complete all you...
M & S Builders is a trusted extension builder serving customers in Gants Hill and the surrounding area. Contact us to today to get a competitive qu...
B J CULLEN BUILDERS are here to help customers who need an Extension Builder in Gants Hill. We offer a competitive rate to complete all your extens...

Comparing extension builders estimates for Side return extension gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes for a side return extention by posting your job to extension builders in Gants Hill.
"Side return extension" - REDBRIDGE, job posted 11/08/25
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 - £17,586

Two storey extension - £88,130

Build a timber frame extension - £26,086

Build a swimming pool - £81,086

Single storey extension - £56,728

Side return extension - £42,472

Install an RSJ - £2,286

Outbuilding - £10,086

Build a Mansard loft conversion - £52,086

Loft conversion - £34,560

Build a kitchen extension - £42,086

Hip to gable loft conversion - £42,086

Granny annexe - £87,086

Garden office - £10,086

Convert a Garage - £16,086

Garage - £18,586

Build a flat roof extension - £22,086

Build a dormer loft conversion - £42,086

Concrete foundations - £6,336

Convert a bungalow loft - £29,086

Convert a basement - £38,472