From £1,760
Need an Extension Builder in Longtown? Applied Joinery has been helping local clients (20 mile radius) with their extension buildering jobs for man...
From £2,440
Cmr Developments is an established and experienced local extension builder in Longtown. Please contact us for a free, no obligation quote and comp...
From £1,560
Experienced extension builder ready to quote for your work. PAUL LITTLE BUILDING MAINT is the best extension builder in Longtown. No obligation fre...
From £1,608
Longtown, CA6
LLED CONSTRUCTION LTD is an established extension buildering business in Longtown. We come highly recommended and provide competitive quotes for yo...
From £1,728
Longtown, CA6
Experienced extension builder ready to quote for your work. IAN PEARSON JOINER & BUILDER is the best extension builder in Longtown. No obligation f...
From £1,440
Relax... you have found a reliable extension builder in Longtown. ASKEW CONSTRUCTION is a friendly and reliable company based in Longtown who consi...
From £1,504
Need to find an Extension Builder near you for all your extension buildering work?
BUILDING TEC LIMITED provides a local, trusted extensio...
From £1,784
Longtown, CA6
HEDLEYS ROOFING T/A are here to help customers who need an Extension Builder in Longtown. We offer a competitive rate to complete all your extensio...
From £1,752
maizxdesign is an established and experienced local extension builder in Longtown. Please contact us for a free, no obligation quote and competitiv...
From £1,840
My DC Handyman is Washington DC's best handyman service. We offer repairs and renovations for residential and commercial properties around the DMV ...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Longtown it ranges from £1,440 (ASKEW CONSTRUCTION based in CA4) to £2,440 (Cmr Developments based in CA2).
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 Longtown by posting a job with HaMuch and we will send it to extension builders in Longtown.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Carlisle | £24 | £203 |
| Install An RSJ near Dumfries | £20 | £164 |
| Install An RSJ near Dumfries & Galloway | £20 | £164 |
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 - £17,042

Two storey extension - £87,312

Build a timber frame extension - £25,542

Build a swimming pool - £80,542

Single storey extension - £45,832

Side return extension - £36,343

Install an RSJ - £1,742

Outbuilding - £9,542

Build a Mansard loft conversion - £51,542

Loft conversion - £29,453

Build a kitchen extension - £41,542

Hip to gable loft conversion - £41,542

Granny annexe - £86,542

Garden office - £9,542

Convert a Garage - £15,542

Garage - £18,042

Build a flat roof extension - £21,542

Build a dormer loft conversion - £41,542

Concrete foundations - £5,792

Convert a bungalow loft - £28,542

Convert a basement - £32,343