From £2,248
HAROLDS CORP is a trusted extension builder serving customers in WN2 and the surrounding area. Contact us to today to get a competitive quote for e...
From £1,920
Direct Building Services is an established and experienced local extension builder in WN2. Please contact us for a free, no obligation quote and co...
From £1,656
APS pointing and property maintenance offers a complete building service from small patch pointing to full refurb or extensions. Competitiv...
From £2,232
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,800
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,976
Relax... you have found a reliable extension builder in WN2. Jc Properties is a friendly and reliable company based in WN2 who consider no job as t...
From £2,200
SBA Facilities is a family run business founded by Director, Josef who has over 25 years of experience with the corporate, commercial, and domestic...
From £2,000
Need to find an Extension Builder near you for all your extension buildering work?
J R Building Services provides a local, trusted extensio...
From £2,184
Trusted and professional extension builder in WN2. Experienced in all extension buildering work and keeping within budget and on quote. JCR Constru...
From £1,792
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in WN2 it ranges from £1,656 (Aps pointing and property maintenance based in WN2) to £2,248 (HAROLDS CORP based in WN2).
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 WN2 by posting a job with HaMuch and we will send it to extension builders in WN2.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Hindley | £30 | £218 |
| Install An RSJ near Wigan | £30 | £219 |
| Install An RSJ near Westhoughton | £31 | £222 |
| Install An RSJ near Leigh | £31 | £224 |
| Install An RSJ near Ashton-in-Makerfield | £30 | £220 |
| Install An RSJ near Atherton | £31 | £223 |
| Install An RSJ near Horwich | £30 | £219 |
| Install An RSJ near Golborne | £30 | £222 |
| Install An RSJ near Orrell | £29 | £214 |
| Install An RSJ near Newton-le-Willows | £31 | £221 |
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 - £17,301

Two storey extension - £87,701

Build a timber frame extension - £25,801

Build a swimming pool - £80,801

Single storey extension - £51,016

Side return extension - £39,259

Install an RSJ - £2,001

Outbuilding - £9,801

Build a Mansard loft conversion - £51,801

Loft conversion - £31,883

Build a kitchen extension - £41,801

Hip to gable loft conversion - £41,801

Granny annexe - £86,801

Garden office - £9,801

Convert a Garage - £15,801

Garage - £18,301

Build a flat roof extension - £21,801

Build a dormer loft conversion - £41,801

Concrete foundations - £6,051

Convert a bungalow loft - £28,801

Convert a basement - £35,259