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Goddard’s Home Improvement’s Ltd is a family-run business with over 16 years’ experience in the building industry. We know it can be hard to ...
From £1,944
Experienced extension builder ready to quote for your work. MR P CATT T/A DPC CONSTRUCTION is the best extension builder in St Mary In The Marsh. N...
From £2,000
Need an Extension Builder in St Mary In The Marsh? CHARLES CONSTRUCTION has been helping local clients (20 mile radius) with their extension builde...
From £2,200
Need an Extension Builder in St Mary In The Marsh? D M BUILDING SERVICES has been helping local clients (20 mile radius) with their extension build...
From £2,120
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in St Mary In The Marsh it ranges from £1,944 (MR P CATT T/A DPC CONSTRUCTION based in TN29) to £2,384 (Goddard’s Home Improvement’s Ltd based in TN28).
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 St Mary In The Marsh by posting a job with HaMuch and we will send it to extension builders in St Mary In The Marsh.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Hythe | £31 | £228 |
| Install An RSJ near Ashford | £36 | £256 |
| Install An RSJ near Folkestone | £31 | £233 |
| Install An RSJ near Hastings | £31 | £246 |
| Install An RSJ near Dover | £29 | £226 |
| Install An RSJ near Canterbury | £31 | £232 |
| Install An RSJ near Faversham | £34 | £235 |
| Install An RSJ near Bexhill-on-Sea | £31 | £243 |
| Install An RSJ near Swale | £35 | £241 |
| Install An RSJ near Whitstable | £28 | £214 |
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 - £17,430

Two storey extension - £87,894

Build a timber frame extension - £25,930

Build a swimming pool - £80,930

Single storey extension - £53,592

Side return extension - £40,708

Install an RSJ - £2,130

Outbuilding - £9,930

Build a Mansard loft conversion - £51,930

Loft conversion - £33,090

Build a kitchen extension - £41,930

Hip to gable loft conversion - £41,930

Granny annexe - £86,930

Garden office - £9,930

Convert a Garage - £15,930

Garage - £18,430

Build a flat roof extension - £21,930

Build a dormer loft conversion - £41,930

Concrete foundations - £6,180

Convert a bungalow loft - £28,930

Convert a basement - £36,708