We send your job to ALL Malmesbury extension builders
Available extension builders in Malmesbury reply
Select your affordable Malmesbury extension builder
Need an Extension Builder in Malmesbury? R PEARCE BUILDING has been helping local clients (20 mile radius) with their extension buildering jobs for...
From £1,872
Need an Extension Builder in Malmesbury? MS BUILDING & RENOVATION LTD has been helping local clients (20 mile radius) with their extension builderi...
From £2,376
CDB Building services Ltd is a trusted extension builder serving customers in Malmesbury and the surrounding area. Contact us to today to get a com...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Malmesbury it ranges from £1,736 (R PEARCE BUILDING based in SN15) to £2,376 (CDB Building services Ltd based in GL8).
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 Malmesbury by posting a job with HaMuch and we will send it to extension builders in Malmesbury.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Chippenham | £34 | £258 |
| Install An RSJ near Calne | £29 | £225 |
| Install An RSJ near Stroud | £33 | £249 |
| Install An RSJ near Thamesdown | £31 | £239 |
| Install An RSJ near Swindon | £31 | £238 |
| Install An RSJ near Stratton St Margaret | £32 | £238 |
| Install An RSJ near Yate | £34 | £263 |
| Install An RSJ near South Gloucestershire | £34 | £260 |
| Install An RSJ near North Wiltshire | £32 | £242 |
| Install An RSJ near West Wiltshire | £32 | £242 |
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 - £17,295

Two storey extension - £87,692

Build a timber frame extension - £25,795

Build a swimming pool - £80,795

Single storey extension - £50,893

Side return extension - £39,190

Install an RSJ - £1,995

Outbuilding - £9,795

Build a Mansard loft conversion - £51,795

Loft conversion - £31,825

Build a kitchen extension - £41,795

Hip to gable loft conversion - £41,795

Granny annexe - £86,795

Garden office - £9,795

Convert a Garage - £15,795

Garage - £18,295

Build a flat roof extension - £21,795

Build a dormer loft conversion - £41,795

Concrete foundations - £6,045

Convert a bungalow loft - £28,795

Convert a basement - £35,190