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Need an Extension Builder in Carlisle? Applied Joinery has been helping local clients (20 mile radius) with their extension buildering jobs for man...
Chris Rooke
Carlisle, CA2
Cmr Developments is an established and experienced local extension builder in Carlisle. Please contact us for a free, no obligation quote and comp...
From £1,608
LLED CONSTRUCTION LTD is an established extension buildering business in Carlisle. We come highly recommended and provide competitive quotes for yo...
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
HEDLEYS ROOFING T/A are here to help customers who need an Extension Builder in Carlisle. We offer a competitive rate to complete all your extensio...
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 ...
From £1,752
maizxdesign is an established and experienced local extension builder in Carlisle. Please contact us for a free, no obligation quote and competitiv...
From £1,856
M c trading is an established extension buildering business in Carlisle. We come highly recommended and provide competitive quotes for your work.

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Carlisle it ranges from £1,504 (BUILDING TEC LIMITED based in CA2) 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 Carlisle by posting a job with HaMuch and we will send it to extension builders in Carlisle.
| 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 |
| Install An RSJ near Whitehaven | £22 | £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 - £17,118

Two storey extension - £87,427

Build a timber frame extension - £25,618

Build a swimming pool - £80,618

Single storey extension - £47,360

Side return extension - £37,203

Install an RSJ - £1,818

Outbuilding - £9,618

Build a Mansard loft conversion - £51,618

Loft conversion - £30,169

Build a kitchen extension - £41,618

Hip to gable loft conversion - £41,618

Granny annexe - £86,618

Garden office - £9,618

Convert a Garage - £15,618

Garage - £18,118

Build a flat roof extension - £21,618

Build a dormer loft conversion - £41,618

Concrete foundations - £5,868

Convert a bungalow loft - £28,618

Convert a basement - £33,203