From £2,456
Back to Front Exterior Design Consultancy is a trusted extension builder serving customers in GU9 and the surrounding area. Contact us to today to ...
From £2,400
K Construction is a trusted extension builder serving customers in GU9 and the surrounding area. Contact us to today to get a competitive quote for...
From £2,528
Chapman Property Services is an established and experienced local extension builder in GU9. Please contact us for a free, no obligation quote and c...
From £2,232
Mitchells of Farnham is an established extension buildering business in GU9. We come highly recommended and provide competitive quotes for your wor...
From £2,656
MARSHELS ROOFING CONTRCTS LTD is a trusted extension builder serving customers in GU9 and the surrounding area. Contact us to today to get a compet...
From £2,352
PRESTIGE BUILDCARE LTD is a trusted extension builder serving customers in GU9 and the surrounding area. Contact us to today to get a competitive q...
From £2,128
COOKIE CONSTRUCTION is an established and experienced local extension builder in GU9. Please contact us for a free, no obligation quote and competi...
From £2,328
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,120
MAP Building is an established extension buildering business in GU9. We come highly recommended and provide competitive quotes for your work.
From £2,224
Modern life. Modern interiors.KoolCreations is a Surrey based bespoke interior creation company specialising in creating bespoke interiors using al...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in GU9 it ranges from £2,120 (MAP Building based in GU11) to £2,656 (MARSHELS ROOFING CONTRCTS LTD based in GU10).
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 GU9 by posting a job with HaMuch and we will send it to extension builders in GU9.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Farnham | £41 | £276 |
| Install An RSJ near Aldershot | £41 | £275 |
| Install An RSJ near Fleet | £41 | £270 |
| Install An RSJ near Ash Vale | £41 | £277 |
| Install An RSJ near Farnborough | £41 | £273 |
| Install An RSJ near Waverley | £68 | £313 |
| Install An RSJ near Camberley | £41 | £283 |
| Install An RSJ near Sandhurst | £41 | £283 |
| Install An RSJ near Guildford | £53 | £298 |
| Install An RSJ near Woking | £43 | £277 |
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 - £17,642

Two storey extension - £88,214

Build a timber frame extension - £26,142

Build a swimming pool - £81,142

Single storey extension - £57,848

Side return extension - £43,102

Install an RSJ - £2,342

Outbuilding - £10,142

Build a Mansard loft conversion - £52,142

Loft conversion - £35,085

Build a kitchen extension - £42,142

Hip to gable loft conversion - £42,142

Granny annexe - £87,142

Garden office - £10,142

Convert a Garage - £16,142

Garage - £18,642

Build a flat roof extension - £22,142

Build a dormer loft conversion - £42,142

Concrete foundations - £6,392

Convert a bungalow loft - £29,142

Convert a basement - £39,102