From £2,192
Trusted and professional extension builder in Steyning. Experienced in all extension buildering work and keeping within budget and on quote. Salama...
From £2,392
Woodmans Construction are here to help customers who need an Extension Builder in Steyning. We offer a competitive rate to complete all your extens...
From £2,016
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,312
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,312
Diligence Builders are a skilled professional construction team who can undertake a wide range of building services from new builds and extensions ...
From £2,032
G C Builders is an established and experienced local extension builder in Steyning. Please contact us for a free, no obligation quote and competiti...
From £2,336
At PBS Build it Better we have been providing building services to customers in Brighton & Hove and throughout Sussex for over 40 years. As experie...
From £2,136
ACF Carpentry Ltd is an established and experienced local extension builder in Steyning. Please contact us for a free, no obligation quote and comp...
From £2,000
Trusted and professional extension builder in Steyning. Experienced in all extension buildering work and keeping within budget and on quote. Nutshe...
From £2,216
F&N DESIGN & BUILD LTD are here to help customers who need an Extension Builder in Steyning. We offer a competitive rate to complete all your exten...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Steyning it ranges from £2,000 (Nutshell Construction based in BN14) to £2,392 (Woodmans Construction based in BN43).
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 Steyning by posting a job with HaMuch and we will send it to extension builders in Steyning.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Lancing | £37 | £251 |
| Install An RSJ near Shoreham-by-Sea | £36 | £250 |
| Install An RSJ near Worthing | £35 | £251 |
| Install An RSJ near Rustington | £36 | £246 |
| Install An RSJ near Brighton | £35 | £251 |
| Install An RSJ near Brighton and Hove | £35 | £251 |
| Install An RSJ near Burgess Hill | £36 | £240 |
| Install An RSJ near Littlehampton | £35 | £244 |
| Install An RSJ near Horsham | £38 | £265 |
| Install An RSJ near Arun | £35 | £241 |
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 - £17,494

Two storey extension - £87,992

Build a timber frame extension - £25,994

Build a swimming pool - £80,994

Single storey extension - £54,888

Side return extension - £41,437

Install an RSJ - £2,194

Outbuilding - £9,994

Build a Mansard loft conversion - £51,994

Loft conversion - £33,698

Build a kitchen extension - £41,994

Hip to gable loft conversion - £41,994

Granny annexe - £86,994

Garden office - £9,994

Convert a Garage - £15,994

Garage - £18,494

Build a flat roof extension - £21,994

Build a dormer loft conversion - £41,994

Concrete foundations - £6,244

Convert a bungalow loft - £28,994

Convert a basement - £37,437