From £2,096
Willow Building & Resin Drives Ltd is an established and experienced local extension builder in Trafford. Please contact us for a free, no obligati...
From £1,888
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,824
OLDFIELD BUILD & SHOPFIT LTD is a trusted extension builder serving customers in Trafford and the surrounding area. Contact us to today to get a co...
From £1,816
T J BUILDERS is an established extension buildering business in Trafford. We come highly recommended and provide competitive quotes for your work....
From £2,216
Relax... you have found a reliable extension builder in Trafford. SupeRend is a friendly and reliable company based in Trafford who consider no job...
From £2,040
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,216
G P GILMORE JOINERY T/A is an established extension buildering business in Trafford. We come highly recommended and provide competitive quotes fo...
From £2,224
Field design & build ltd is an established and experienced local extension builder in Trafford. Please contact us for a free, no obligation quote a...
From £1,808
Experienced extension builder ready to quote for your work. DJ Brooks Construction is the best extension builder in Trafford. No obligation free qu...
From £2,096
Specialist lofts and build company in the North West. Our experienced craftsmen are able to provide a complete service from design to completion.ZE...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Trafford it ranges from £1,808 (DJ Brooks Construction based in WA14) to £2,224 (Field design & build ltd based in Wa14).
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 Trafford by posting a job with HaMuch and we will send it to extension builders in Trafford.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Trafford | £32 | £235 |
| Install An RSJ near Sale | £32 | £235 |
| Install An RSJ near Urmston | £32 | £231 |
| Install An RSJ near Altrincham | £32 | £228 |
| Install An RSJ near Stretford | £32 | £235 |
| Install An RSJ near Irlam | £32 | £225 |
| Install An RSJ near Old Trafford | £32 | £236 |
| Install An RSJ near Eccles | £32 | £237 |
| Install An RSJ near Wythenshawe | £31 | £229 |
| Install An RSJ near Gatley | £31 | £230 |
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 - £17,322

Two storey extension - £87,734

Build a timber frame extension - £25,822

Build a swimming pool - £80,822

Single storey extension - £51,448

Side return extension - £39,502

Install an RSJ - £2,022

Outbuilding - £9,822

Build a Mansard loft conversion - £51,822

Loft conversion - £32,085

Build a kitchen extension - £41,822

Hip to gable loft conversion - £41,822

Granny annexe - £86,822

Garden office - £9,822

Convert a Garage - £15,822

Garage - £18,322

Build a flat roof extension - £21,822

Build a dormer loft conversion - £41,822

Concrete foundations - £6,072

Convert a bungalow loft - £28,822

Convert a basement - £35,502