From £2,160
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,464
Reliabuild Contractors limited's attention to service and detail has made us an industry leader. With a wide range of products and services to choo...
From £3,536
CFM - Entire building care is an established and experienced local extension builder in DD4. Please contact us for a free, no obligation quote and...
From £2,560
Our building services company KESR Developments Ltd was established in early 2022 but have been providing customers from Aberdeen to Perth with pro...
From £2,160
J & G Builders are here to help customers who need an Extension Builder in DD4. We offer a competitive rate to complete all your extension builderi...
From £2,032
Trusted and professional extension builder in DD4. Experienced in all extension buildering work and keeping within budget and on quote. RAY YOUNG B...
From £2,584
We are a established company of over 30 yeats. We offer 24 hour call out service for both commercial and residential property sevices
From £2,216
DUNCAR BUILDING SERVICES LTD is an established extension buildering business in DD4. We come highly recommended and provide competitive quotes for ...
From £2,448
Need to find an Extension Builder near you for all your extension buildering work?
D GARDINER CONSTRUCTION provides a local, trusted extens...
From £2,400
We're a small home renovation and design company based in both Edinburgh and Fife.We specialise in anything from full home renovations, single room...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in DD4 it ranges from £2,032 (RAY YOUNG BRICKLAYER & BUILD based in DD5) to £3,536 (CFM - Entire building care based in DD5).
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 DD4 by posting a job with HaMuch and we will send it to extension builders in DD4.
"RSJ installation in old farmhouse to support sagging ceiling/bouncy floor. Near Arbroath." - DUNDEE
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Dundee | £38 | £285 |
| Install An RSJ near Forfar | £29 | £236 |
| Install An RSJ near Arbroath | £47 | £264 |
| Install An RSJ near Angus | £29 | £236 |
| Install An RSJ near Perth & Kinross | £32 | £245 |
| Install An RSJ near Fife | £44 | £310 |
| Install An RSJ near Glenrothes | £42 | £304 |
| Install An RSJ near Kirkcaldy | £42 | £296 |
| Install An RSJ near Dunfermline | £46 | £285 |
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 - £17,756

Two storey extension - £88,384

Build a timber frame extension - £26,256

Build a swimming pool - £81,256

Single storey extension - £60,120

Side return extension - £44,380

Install an RSJ - £2,456

Outbuilding - £10,256

Build a Mansard loft conversion - £52,256

Loft conversion - £36,150

Build a kitchen extension - £42,256

Hip to gable loft conversion - £42,256

Granny annexe - £87,256

Garden office - £10,256

Convert a Garage - £16,256

Garage - £18,756

Build a flat roof extension - £22,256

Build a dormer loft conversion - £42,256

Concrete foundations - £6,506

Convert a bungalow loft - £29,256

Convert a basement - £40,380