From £2,192
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,920
Need to find an Extension Builder near you for all your extension buildering work?
JLS Building Services provides a local, trusted extensio...
From £2,200
I have been in this industry for over 22 years and for the last fifteen years I have been getting a large percentage of my work through Which? Trus...
From £2,064
Need to find an Extension Builder near you for all your extension buildering work?
M&M Builders provides a local, trusted extension builder...
From £2,304
Fine Build Homes Ltd are here to help customers who need an Extension Builder in Thorpe Bay. We offer a competitive rate to complete all your exten...
From £2,352
Experienced extension builder ready to quote for your work. House Q Ltd is the best extension builder in Thorpe Bay. No obligation free quotes and ...
From £2,368
Need to find an Extension Builder near you for all your extension buildering work?
Wrights Building Services provides a local, trusted exte...
From £2,456
Need an Extension Builder in Thorpe Bay? Essex Building Solutions has been helping local clients (20 mile radius) with their extension buildering j...
From £2,048
Livinston & Son Ltd are here to help customers who need an Extension Builder in Thorpe Bay. We offer a competitive rate to complete all your extens...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Thorpe Bay it ranges from £1,920 (JLS Building Services based in SS1) to £2,456 (Essex Building Solutions based in SS2).
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 Thorpe Bay by posting a job with HaMuch and we will send it to extension builders in Thorpe Bay.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Southend-on-Sea | £37 | £247 |
| Install An RSJ near Canvey Island | £39 | £256 |
| Install An RSJ near Thundersley | £38 | £251 |
| Install An RSJ near Rayleigh | £39 | £252 |
| Install An RSJ near Wickford | £39 | £255 |
| Install An RSJ near Basildon | £39 | £251 |
| Install An RSJ near Stanford-le-Hope | £40 | £254 |
| Install An RSJ near Gillingham | £39 | £253 |
| Install An RSJ near Sittingbourne | £35 | £246 |
| Install An RSJ near Billericay | £38 | £248 |
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 - £17,493

Two storey extension - £87,989

Build a timber frame extension - £25,993

Build a swimming pool - £80,993

Single storey extension - £54,856

Side return extension - £41,419

Install an RSJ - £2,193

Outbuilding - £9,993

Build a Mansard loft conversion - £51,993

Loft conversion - £33,683

Build a kitchen extension - £41,993

Hip to gable loft conversion - £41,993

Granny annexe - £86,993

Garden office - £9,993

Convert a Garage - £15,993

Garage - £18,493

Build a flat roof extension - £21,993

Build a dormer loft conversion - £41,993

Concrete foundations - £6,243

Convert a bungalow loft - £28,993

Convert a basement - £37,419