From £2,216
ProRend is an established and experienced local extension builder in G20. Please contact us for a free, no obligation quote and competitive rates. ...
From £2,128
J & J Property Services is an established extension buildering business in G20. We come highly recommended and provide competitive quotes for your ...
From £2,464
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,144
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,184
nest is an established extension buildering business in G20. We come highly recommended and provide competitive quotes for your work.
From £2,224
Whyte homes are here to help customers who need an Extension Builder in G20. We offer a competitive rate to complete all your extension buildering ...
From £2,392
If you’ve been searching for ‘Builder’s near me’ then look no further than KB Contractors . As local Builders, we’ve established...
From £2,480
Relax... you have found a reliable extension builder in G20. Arkiton is a friendly and reliable company based in G20 who consider no job as too big...
From £2,152
Arkiton is one of the first combined architecture and construction companies in Glasgow, founded in 2017 by our in-house architect. Our aim is to s...
From £1,864
Need an Extension Builder in G20? J & S Autos (Glasgow) Ltd has been helping local clients (20 mile radius) with their extension buildering jobs fo...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in G20 it ranges from £1,864 (J & S Autos (Glasgow) Ltd based in G51) to £2,480 (Arkiton based in G1).
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 G20 by posting a job with HaMuch and we will send it to extension builders in G20.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Glasgow | £34 | £258 |
| Install An RSJ near Bearsden | £34 | £262 |
| Install An RSJ near Bishopbriggs | £35 | £262 |
| Install An RSJ near Renfrew | £35 | £264 |
| Install An RSJ near Clydebank | £35 | £264 |
| Install An RSJ near Rutherglen | £34 | £254 |
| Install An RSJ near Giffnock | £35 | £260 |
| Install An RSJ near Paisley | £34 | £259 |
| Install An RSJ near Kirkintilloch | £35 | £259 |
| Install An RSJ near Cambuslang | £34 | £249 |
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 - £17,525

Two storey extension - £88,037

Build a timber frame extension - £26,025

Build a swimming pool - £81,025

Single storey extension - £55,496

Side return extension - £41,779

Install an RSJ - £2,225

Outbuilding - £10,025

Build a Mansard loft conversion - £52,025

Loft conversion - £33,983

Build a kitchen extension - £42,025

Hip to gable loft conversion - £42,025

Granny annexe - £87,025

Garden office - £10,025

Convert a Garage - £16,025

Garage - £18,525

Build a flat roof extension - £22,025

Build a dormer loft conversion - £42,025

Concrete foundations - £6,275

Convert a bungalow loft - £29,025

Convert a basement - £37,779