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Ricky Alexander
Trusted and professional extension builder in Hove. Experienced in all extension buildering work and keeping within budget and on quote. RA Constru...
Ferguson Building Services Limited is an established and experienced local extension builder in Hove. Please contact us for a free, no obligation q...
Graeme Davies
Hove, BN3
Experienced extension builder ready to quote for your work. Graeme Davies Plumbing and Heating is the best extension builder in Hove. No obligation...
Hove, BN3
Need to find an Extension Builder near you for all your extension buildering work?
FIRST FORMAT BUILDING provides a local, trusted extensio...
Need an Extension Builder in Hove? East West Refurbishment Limited has been helping local clients (20 mile radius) with their extension buildering ...
Citadel Construction is an established extension buildering business in Hove. We come highly recommended and provide competitive quotes for your wo...
The studio is based on our founder's vision in concept and interior design, Fabio Lauro has long been in the business of creating atmospheres. His ...
From £2,192
Member since August 2026
H P Building Services Sussex is a one-stop solution for all your extension buildering needs. Establish over 10 years ago and covering 20 miles arou...
Proper Copper DesignWe are a design lead copper homeware company specializing in contemporary handles, taps, showers and accessories. Our products ...
Experienced extension builder ready to quote for your work. Brighton Marina Hand Car Wash is the best extension builder in Hove. No obligation free...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Hove it ranges from £1,968 (Graeme Davies Plumbing and Heating based in BN3) to £3,000 (RA Construction based in BN2).
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 Hove by posting a job with HaMuch and we will send it to extension builders in Hove.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Brighton | £35 | £253 |
| Install An RSJ near Brighton and Hove | £35 | £252 |
| Install An RSJ near Shoreham-by-Sea | £36 | £250 |
| Install An RSJ near Lancing | £36 | £249 |
| Install An RSJ near Burgess Hill | £36 | £256 |
| Install An RSJ near Worthing | £35 | £249 |
| Install An RSJ near Haywards Heath | £35 | £256 |
| Install An RSJ near Seaford | £34 | £243 |
| Install An RSJ near Rustington | £35 | £242 |
| Install An RSJ near Mid Sussex | £35 | £261 |
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 - £17,573

Two storey extension - £88,109

Build a timber frame extension - £26,073

Build a swimming pool - £81,073

Single storey extension - £56,456

Side return extension - £42,319

Install an RSJ - £2,273

Outbuilding - £10,073

Build a Mansard loft conversion - £52,073

Loft conversion - £34,433

Build a kitchen extension - £42,073

Hip to gable loft conversion - £42,073

Granny annexe - £87,073

Garden office - £10,073

Convert a Garage - £16,073

Garage - £18,573

Build a flat roof extension - £22,073

Build a dormer loft conversion - £42,073

Concrete foundations - £6,323

Convert a bungalow loft - £29,073

Convert a basement - £38,319