From £2,400
M&J Builders is a trusted extension builder serving customers in East Ham and the surrounding area. Contact us to today to get a competitive quote ...
From £2,584
Trusted and professional extension builder in East Ham. Experienced in all extension buildering work and keeping within budget and on quote. MICHAE...
From £2,400
Relax... you have found a reliable extension builder in East Ham. Derryard Construction Ltd is a friendly and reliable company based in East Ham wh...
From £2,360
Experienced extension builder ready to quote for your work. PJ Lane is the best extension builder in East Ham. No obligation free quotes and many h...
From £1,232
Relax... you have found a reliable extension builder in East Ham. Animus Construction Ltd is a friendly and reliable company based in East Ham who ...
From £2,440
Albion RA offers complete construction solutions for residential clients across Kent\nand the surrounding areas.\n\nOur specialist team has many ye...
From £2,488
Need an Extension Builder in East Ham? Rich Designz Ltd has been helping local clients (5 mile radius) with their extension buildering jobs for man...
From £2,184
London's leading bespoke design and build specialists! Let us help you turn your dream home into a reality. Don't delay contact us today for a firs...
From £2,440
Trusted and professional extension builder in East Ham. Experienced in all extension buildering work and keeping within budget and on quote. Charli...
From £2,120
Relax... you have found a reliable extension builder in East Ham. G HAMID CONSTRUCTION LTD is a friendly and reliable company based in East Ham who...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in East Ham it ranges from £1,232 (Animus Construction Ltd based in E6) to £2,584 (MICHAELS UNITED TRADESMAN BUILD based in E6).
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 East Ham by posting a job with HaMuch and we will send it to extension builders in East Ham.
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 - £17,565

Two storey extension - £88,097

Build a timber frame extension - £26,065

Build a swimming pool - £81,065

Single storey extension - £56,296

Side return extension - £42,229

Install an RSJ - £2,265

Outbuilding - £10,065

Build a Mansard loft conversion - £52,065

Loft conversion - £34,358

Build a kitchen extension - £42,065

Hip to gable loft conversion - £42,065

Granny annexe - £87,065

Garden office - £10,065

Convert a Garage - £16,065

Garage - £18,565

Build a flat roof extension - £22,065

Build a dormer loft conversion - £42,065

Concrete foundations - £6,315

Convert a bungalow loft - £29,065

Convert a basement - £38,229