From £2,096
Mark scrutton is a trusted extension builder serving customers in CM2 and the surrounding area. Contact us to today to get a competitive quote for...
From £2,440
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,024
Relax... you have found a reliable extension builder in CM2. CWN Developments Ltd is a friendly and reliable company based in CM2 who consider no j...
From £2,328
Martin Womersley Building Services is an established extension buildering business in CM2. We come highly recommended and provide competitive quote...
From £2,344
Durrant Construction was formed in 2012 by Luke Durrant. Luke has been in the building trade for over 15 years and has had substantial experience i...
From £2,080
ACK ENGINEERING LTD is an established and experienced local extension builder in CM2. Please contact us for a free, no obligation quote and competi...
From £2,344
Welcome to Sheek Contractors. We specialise in maintaining commercial properties for both business and private owners. Our highly skilled tradesm...
From £2,272
Need an Extension Builder in CM2? Genesis has been helping local clients (20 mile radius) with their extension buildering jobs for many years. Get ...
From £2,344
Relax... you have found a reliable extension builder in CM2. Ryan & Co Design & Build is a friendly and reliable company based in CM2 who consider ...
From £2,448
Clark Construction are here to help customers who need an Extension Builder in CM2. We offer a competitive rate to complete all your extension buil...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in CM2 it ranges from £2,024 (CWN Developments Ltd based in CM2) to £2,448 (Clark Construction based in CM2).
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 CM2 by posting a job with HaMuch and we will send it to extension builders in CM2.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Chelmsford | £38 | £258 |
| Install An RSJ near Billericay | £38 | £248 |
| Install An RSJ near Wickford | £39 | £255 |
| Install An RSJ near Witham | £36 | £240 |
| Install An RSJ near Maldon | £36 | £244 |
| Install An RSJ near Brentwood | £39 | £256 |
| Install An RSJ near Basildon | £39 | £251 |
| Install An RSJ near Rayleigh | £39 | £252 |
| Install An RSJ near Braintree | £37 | £247 |
| Install An RSJ near Thundersley | £38 | £251 |
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 - £17,572

Two storey extension - £88,108

Build a timber frame extension - £26,072

Build a swimming pool - £81,072

Single storey extension - £56,440

Side return extension - £42,310

Install an RSJ - £2,272

Outbuilding - £10,072

Build a Mansard loft conversion - £52,072

Loft conversion - £34,425

Build a kitchen extension - £42,072

Hip to gable loft conversion - £42,072

Granny annexe - £87,072

Garden office - £10,072

Convert a Garage - £16,072

Garage - £18,572

Build a flat roof extension - £22,072

Build a dormer loft conversion - £42,072

Concrete foundations - £6,322

Convert a bungalow loft - £29,072

Convert a basement - £38,310