Peter Smith
ESSEX TIMBER BUILDINGS LTD is an established extension buildering business in CM14. We come highly recommended and provide competitive quotes for y...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
CLYDESDALE CONSTRUCTION LTD is an established extension buildering business in CM14. We come highly recommended and provide competitive quotes for ...
Kay Shearing
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,744
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,976
Rouslan Psaroudakis
Local bricklayer. Please contact me for any job, will be happy to give you free quote.
From £2,256
Need an Extension Builder in CM14? Sky Stairs has been helping local clients (20 mile radius) with their extension buildering jobs for many years. ...
From £2,520
Essex Elite Services is a trusted extension builder serving customers in CM14 and the surrounding area. Contact us to today to get a competitive qu...
From £2,296
Renov8 Create are here to help customers who need an Extension Builder in CM14. We offer a competitive rate to complete all your extension builderi...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in CM14 it ranges from £1,976 (R.P. Bricklayer based in RM4) to £2,744 (Clive Williams based in CM13).
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 CM14 by posting a job with HaMuch and we will send it to extension builders in CM14.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Brentwood | £39 | £255 |
| Install An RSJ near Romford | £45 | £274 |
| Install An RSJ near Billericay | £38 | £248 |
| Install An RSJ near South Ockendon | £58 | £276 |
| Install An RSJ near Basildon | £39 | £251 |
| Install An RSJ near Chafford Hundred | £41 | £261 |
| Install An RSJ near Thurrock | £41 | £260 |
| Install An RSJ near Stanford-le-Hope | £40 | £254 |
| Install An RSJ near Grays | £41 | £261 |
| Install An RSJ near Loughton | £44 | £273 |
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 - £17,682

Two storey extension - £88,272

Build a timber frame extension - £26,182

Build a swimming pool - £81,182

Single storey extension - £58,632

Side return extension - £43,543

Install an RSJ - £2,382

Outbuilding - £10,182

Build a Mansard loft conversion - £52,182

Loft conversion - £35,453

Build a kitchen extension - £42,182

Hip to gable loft conversion - £42,182

Granny annexe - £87,182

Garden office - £10,182

Convert a Garage - £16,182

Garage - £18,682

Build a flat roof extension - £22,182

Build a dormer loft conversion - £42,182

Concrete foundations - £6,432

Convert a bungalow loft - £29,182

Convert a basement - £39,543