Experienced extension builder ready to quote for your work. Keith Andrews Building is the best extension builder in Thurrock. No obligation free qu...
Joe
FLEX CONSTRUCTION LIMITED are here to help customers who need an Extension Builder in Thurrock. We offer a competitive rate to complete all your ex...
The England Team is an established extension buildering business in Thurrock. We come highly recommended and provide competitive quotes for your wo...
C & B Multi-Trader is an established extension buildering business in Thurrock. We come highly recommended and provide competitive quotes for your ...
Experienced extension builder ready to quote for your work. CIA Construction Limited is the best extension builder in Thurrock. No obligation free ...
Kaizer Berg Ltd is an established and experienced local extension builder in Thurrock. Please contact us for a free, no obligation quote and compet...
Trusted and professional extension builder in Thurrock. Experienced in all extension buildering work and keeping within budget and on quote. PALMER...
From £2,128
Relax... you have found a reliable extension builder in Thurrock. SC SMITH BUILDING CONTRACTORS is a friendly and reliable company based in Thurroc...
From £2,408
Our building services company MCM Building Services Limited has been helping customers in Essex and the surrounding area by providing professional,...
From £2,064
Trusted and professional extension builder in Thurrock. Experienced in all extension buildering work and keeping within budget and on quote. Access...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Thurrock it ranges from £2,064 (Access Builders Direct LTD based in RM17) to £2,592 (The England Team based in RM16).
Comparing extension builders estimates for fitting an RSJ gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
Get rates and quotes to install an RSJ in Thurrock by posting a job with HaMuch and we will send it to extension builders in Thurrock.
"RSJ installation across a 5 metre section of rear wall." - CHAFFORD HUNDRED, job posted 01/01/70
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 - £17,598

Two storey extension - £88,148

Build a timber frame extension - £26,098

Build a swimming pool - £81,098

Single storey extension - £56,968

Side return extension - £42,607

Install an RSJ - £2,298

Outbuilding - £10,098

Build a Mansard loft conversion - £52,098

Loft conversion - £34,673

Build a kitchen extension - £42,098

Hip to gable loft conversion - £42,098

Granny annexe - £87,098

Garden office - £10,098

Convert a Garage - £16,098

Garage - £18,598

Build a flat roof extension - £22,098

Build a dormer loft conversion - £42,098

Concrete foundations - £6,348

Convert a bungalow loft - £29,098

Convert a basement - £38,607