Experienced extension builder ready to quote for your work. S B V CONSTRUCTION LIMITED is the best extension builder in TN40. No obligation free qu...
At Templar Developments we work with our clients from thought to finish all the while keeping quality 110%. We cover all your construction needs on...
Ansell Builders is a trusted extension builder serving customers in TN40 and the surrounding area. Contact us to today to get a competitive quote f...
Experienced extension builder ready to quote for your work. James Rudd General Building is the best extension builder in TN40. No obligation free q...
CROWHURST BUILDERS LIMITED is an established extension buildering business in TN40. We come highly recommended and provide competitive quotes for y...
Cranwells Construction is a trusted extension builder serving customers in TN40 and the surrounding area. Contact us to today to get a competitive ...
Need to find an Extension Builder near you for all your extension buildering work?
The Sussex Bookcase Company provides a local, trusted ex...
Relax... you have found a reliable extension builder in TN40. Ljo Brickwork, Landscapes and General Building is a friendly and reliable company bas...
Need to find an Extension Builder near you for all your extension buildering work?
S F CONSTRUCTION provides a local, trusted extension bu...
Need to find an Extension Builder near you for all your extension buildering work?
HARBOUR BUILDING SERVICES LTD provides a local, trusted ...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in TN40 it ranges from £1,928 (HARBOUR BUILDING SERVICES LTD based in BN23) to £2,368 (S B V CONSTRUCTION LIMITED based in TN18).
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 TN40 by posting a job with HaMuch and we will send it to extension builders in TN40.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Bexhill-on-Sea | £31 | £243 |
| Install An RSJ near Hastings | £31 | £246 |
| Install An RSJ near Hailsham | £31 | £243 |
| Install An RSJ near Eastbourne | £32 | £245 |
| Install An RSJ near Wealden | £35 | £256 |
| Install An RSJ near Seaford | £34 | £243 |
| Install An RSJ near Crowborough | £36 | £258 |
| Install An RSJ near Tunbridge Wells | £37 | £258 |
| Install An RSJ near Tonbridge | £38 | £254 |
| Install An RSJ near Ashford | £36 | £256 |
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 - £17,416

Two storey extension - £87,874

Build a timber frame extension - £25,916

Build a swimming pool - £80,916

Single storey extension - £53,320

Side return extension - £40,555

Install an RSJ - £2,116

Outbuilding - £9,916

Build a Mansard loft conversion - £51,916

Loft conversion - £32,963

Build a kitchen extension - £41,916

Hip to gable loft conversion - £41,916

Granny annexe - £86,916

Garden office - £9,916

Convert a Garage - £15,916

Garage - £18,416

Build a flat roof extension - £21,916

Build a dormer loft conversion - £41,916

Concrete foundations - £6,166

Convert a bungalow loft - £28,916

Convert a basement - £36,555