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From £2,640
Evolved Glazing Solutions Limited
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,616
M DUNNE BUILDER
M DUNNE BUILDER is a trusted extension builder serving customers in WD4 and the surrounding area. Contact us to today to get a competitive quote fo...
From £2,264
Total Refurbishment & Build
Kings Langley, WD4
Trusted and professional extension builder in WD4. Experienced in all extension buildering work and keeping within budget and on quote. Total Refur...
From £2,288
PM HOBBS BUILDING SERVICES
Need an Extension Builder in WD4? PM HOBBS BUILDING SERVICES has been helping local clients (10 mile radius) with their extension buildering jobs f...
From £2,216
All Weather Roofing (Herts) LTD
King, WD4
Trusted and professional extension builder in WD4. Experienced in all extension buildering work and keeping within budget and on quote. All Weather...
RSJ cost in WD4
How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in WD4 it ranges from £2,216 (All Weather Roofing (Herts) LTD based in WD4) to £2,640 (Evolved Glazing Solutions Limited based in HP3).
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 WD4 by posting a job with HaMuch and we will send it to extension builders in WD4.
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Estimates for common extension builder jobs in WD4;
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 - £17,705
Two storey extension - £88,307
Build a timber frame extension - £26,205
Build a swimming pool - £81,205
Single storey extension - £59,096
Side return extension - £43,804
Install an RSJ - £2,405
Outbuilding - £10,205
Build a Mansard loft conversion - £52,205
Loft conversion - £35,670
Build a kitchen extension - £42,205
Hip to gable loft conversion - £42,205
Granny annexe - £87,205
Garden office - £10,205
Convert a Garage - £16,205
Garage - £18,705
Build a flat roof extension - £22,205
Build a dormer loft conversion - £42,205
Concrete foundations - £6,455
Convert a bungalow loft - £29,205
Convert a basement - £39,804