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Select your affordable GL4 extension builder
Need to find an Extension Builder near you for all your extension buildering work?
CB Home Improvements, Roofing & Building Solutions provi...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Deadsmooth Plastering & Building Co is a trusted extension builder serving customers in GL4 and the surrounding area. Contact us to today to get a ...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Lawrence Jones
L&P Developments Ltd is an established and experienced local extension builder in GL4. Please contact us for a free, no obligation quote and compe...
Experienced extension builder ready to quote for your work. RSG Construction is the best extension builder in GL4. No obligation free quotes and ma...
Relax... you have found a reliable extension builder in GL4. Archway Builders Ltd is a friendly and reliable company based in GL4 who consider no j...
From £2,424
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,032
Relax... you have found a reliable extension builder in GL4. M CHAPMAN BUILDER is a friendly and reliable company based in GL4 who consider no job ...
From £1,488
Philip McCoy
my Name is Philip I have over 20years exsperance in the building trade we give a very good and reliable service

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in GL4 it ranges from £1,488 (P J M Building Services based in GL1) to £2,424 (G MANN BUILDERS based in GL2).
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 GL4 by posting a job with HaMuch and we will send it to extension builders in GL4.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Gloucester | £31 | £246 |
| Install An RSJ near Quedgeley | £31 | £247 |
| Install An RSJ near Stroud | £33 | £249 |
| Install An RSJ near Cheltenham | £32 | £250 |
| Install An RSJ near Great Malvern | £31 | £244 |
| Install An RSJ near Evesham | £35 | £264 |
| Install An RSJ near Yate | £34 | £263 |
| Install An RSJ near Wychavon | £35 | £269 |
| Install An RSJ near Thamesdown | £31 | £239 |
| Install An RSJ near South Gloucestershire | £34 | £260 |
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 - £17,482

Two storey extension - £87,974

Build a timber frame extension - £25,982

Build a swimming pool - £80,982

Single storey extension - £54,648

Side return extension - £41,302

Install an RSJ - £2,182

Outbuilding - £9,982

Build a Mansard loft conversion - £51,982

Loft conversion - £33,585

Build a kitchen extension - £41,982

Hip to gable loft conversion - £41,982

Granny annexe - £86,982

Garden office - £9,982

Convert a Garage - £15,982

Garage - £18,482

Build a flat roof extension - £21,982

Build a dormer loft conversion - £41,982

Concrete foundations - £6,232

Convert a bungalow loft - £28,982

Convert a basement - £37,302