Experienced extension builder ready to quote for your work. J&J Building Solutions is the best extension builder in TN8. No obligation free quotes ...
Vasi J
No Call out charges!
All Jobs Fully Insured and Guaranteed !!!
All aspects of Plumbing, Heating and Drains....
..."I am very pleased with the work carried out. All very clear and transparent." - ROMFORD,reviewed 10/01/18, KELLY
PW Construction & Renovation Ltd is a trusted extension builder serving customers in TN8 and the surrounding area. Contact us to today to get a com...
Robert Buci
Buci builders ltd is a trusted extension builder serving customers in TN8 and the surrounding area. Contact us to today to get a competitive quote ...
Experienced extension builder ready to quote for your work. The Perfectionist is the best extension builder in TN8. No obligation free quotes and m...
Gani Bush
Gb construction are here to help customers who need an Extension Builder in TN8. We offer a competitive rate to complete all your extension builde...
"Excellent painting skills." - MAIDSTONE,reviewed 27/03/19, TONY
John Mcdonagh
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How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in TN8 it ranges from £1,568 (Rafs based in ME15) to £3,224 (Buci builders ltd based in SE27).
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 TN8 by posting a job with HaMuch and we will send it to extension builders in TN8.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near East Grinstead | £37 | £259 |
| Install An RSJ near Sevenoaks | £38 | £234 |
| Install An RSJ near Tonbridge | £38 | £254 |
| Install An RSJ near Tunbridge Wells | £37 | £258 |
| Install An RSJ near Caterham | £43 | £272 |
| Install An RSJ near Horley | £38 | £258 |
| Install An RSJ near Crowborough | £36 | £258 |
| Install An RSJ near Redhill | £41 | £269 |
| Install An RSJ near Crawley | £38 | £255 |
| Install An RSJ near Reigate | £40 | £270 |
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 - £17,610

Two storey extension - £88,164

Build a timber frame extension - £26,110

Build a swimming pool - £81,110

Single storey extension - £57,192

Side return extension - £42,733

Install an RSJ - £2,310

Outbuilding - £10,110

Build a Mansard loft conversion - £52,110

Loft conversion - £34,778

Build a kitchen extension - £42,110

Hip to gable loft conversion - £42,110

Granny annexe - £87,110

Garden office - £10,110

Convert a Garage - £16,110

Garage - £18,610

Build a flat roof extension - £22,110

Build a dormer loft conversion - £42,110

Concrete foundations - £6,360

Convert a bungalow loft - £29,110

Convert a basement - £38,733