From £1,512
All building work , all hoyse maintenance. House extension and refurbishment works.
From £1,568
Need to find an Extension Builder near you for all your extension buildering work?
A-Pex Building provides a local, trusted extension build...
From £1,256
35 years in the trade can Lay bricks plaster roofing wall and floor tiling
From £2,376
Relax... you have found a reliable extension builder in Lower Hardres. Clint Construction is a friendly and reliable company based in Lower Hardres...
From £2,400
Experienced extension builder ready to quote for your work. SEAN EVANS GENERAL BUILDER is the best extension builder in Lower Hardres. No obligatio...
From £2,072
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,160
I D S BUILDERS LIMITED is an established extension buildering business in Lower Hardres. We come highly recommended and provide competitive quotes ...
From £1,856
At Wells & Co we offer a comprehensive building service. We specialise in Period properties, bespoke renovations and steel fabrication.Along with o...
From £2,024
Christian Builders Margate Ltd is a multi-service company founded by Nick Christian. We operate with a highly skilled team of designers, tradesmen,...
From £1,752
Small family building business reliable friendly service and very high quality of works

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Lower Hardres it ranges from £1,256 (S MEGSON CONSTRUCTION based in CT5) to £2,400 (SEAN EVANS GENERAL BUILDER based in ME10).
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 Lower Hardres by posting a job with HaMuch and we will send it to extension builders in Lower Hardres.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Canterbury | £31 | £232 |
| Install An RSJ near Whitstable | £28 | £214 |
| Install An RSJ near Faversham | £34 | £235 |
| Install An RSJ near Herne Bay | £28 | £213 |
| Install An RSJ near Folkestone | £31 | £233 |
| Install An RSJ near Hythe | £31 | £228 |
| Install An RSJ near Ashford | £36 | £256 |
| Install An RSJ near Dover | £29 | £226 |
| Install An RSJ near Swale | £35 | £241 |
| Install An RSJ near Deal | £26 | £199 |
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 - £17,198

Two storey extension - £87,546

Build a timber frame extension - £25,698

Build a swimming pool - £80,698

Single storey extension - £48,952

Side return extension - £38,098

Install an RSJ - £1,898

Outbuilding - £9,698

Build a Mansard loft conversion - £51,698

Loft conversion - £30,915

Build a kitchen extension - £41,698

Hip to gable loft conversion - £41,698

Granny annexe - £86,698

Garden office - £9,698

Convert a Garage - £15,698

Garage - £18,198

Build a flat roof extension - £21,698

Build a dormer loft conversion - £41,698

Concrete foundations - £5,948

Convert a bungalow loft - £28,698

Convert a basement - £34,098