From £2,424
Gidea Park, RM2
Relax... you have found a reliable extension builder in RM2. A Star Construction is a friendly and reliable company based in RM2 who consider no jo...
From £2,248
Need to find an Extension Builder near you for all your extension buildering work?
KERFIELD BUILDING SERVICES LTD provides a local, trusted...
From £2,096
Trusted and professional extension builder in RM2. Experienced in all extension buildering work and keeping within budget and on quote. Chris Adams...
From £3,432
Optimus Build Solutions delivers exceptional construction services in London and surronding areas. Specializing in bathroom and kitchen refurbishme...
From £2,440
Q Boss D&B is an established extension buildering business in RM2. We come highly recommended and provide competitive quotes for your work.
From £2,176
ARMOUR BUILDING & REFURBS is a trusted extension builder serving customers in RM2 and the surrounding area. Contact us to today to get a competitiv...
From £2,648
Lori Construction Services Limited are here to help customers who need an Extension Builder in RM2. We offer a competitive rate to complete all you...
From £2,584
Prendi Construction Ltd is an established and experienced local extension builder in RM2. Please contact us for a free, no obligation quote and com...
From £2,152
SS Home Builders is a trusted extension builder serving customers in RM2 and the surrounding area. Contact us to today to get a competitive quote f...
From £2,448
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in RM2 it ranges from £2,096 (Chris Adams Pebbledashing based in RM11) to £3,432 (Optimus Build Solutions based in Rm1).
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 RM2 by posting a job with HaMuch and we will send it to extension builders in RM2.
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 - £17,765

Two storey extension - £88,397

Build a timber frame extension - £26,265

Build a swimming pool - £81,265

Single storey extension - £60,296

Side return extension - £44,479

Install an RSJ - £2,465

Outbuilding - £10,265

Build a Mansard loft conversion - £52,265

Loft conversion - £36,233

Build a kitchen extension - £42,265

Hip to gable loft conversion - £42,265

Granny annexe - £87,265

Garden office - £10,265

Convert a Garage - £16,265

Garage - £18,765

Build a flat roof extension - £22,265

Build a dormer loft conversion - £42,265

Concrete foundations - £6,515

Convert a bungalow loft - £29,265

Convert a basement - £40,479