Top Form Construction are here to help customers who need an Extension Builder in ME12. We offer a competitive rate to complete all your extension ...
Please call to discuss your building needs.
"Excellent painting skills." - MAIDSTONE,reviewed 27/03/19, TONY
Frederick Head
Over 35 years experience
We are Gas Safe registered
We are Verified
We pride ourselves on great custom...
Experienced extension builder ready to quote for your work. CIA Construction Limited is the best extension builder in ME12. No obligation free quot...
Darren Spencer
Need an Extension Builder in ME12? Ellis & James Builders Limited has been helping local clients (20 mile radius) with their extension buildering j...
M&J Brickwork Ltd are a Chelmsford based Bricklaying & General Building company that operate throughout the Essex and South London...
Witton & Pearce Builders in Essex is a trusted extension builder serving customers in ME12 and the surrounding area. Contact us to today to get a c...
Billy Baverstock
Experienced extension builder ready to quote for your work. Capital Roofing Ltd is the best extension builder in ME12. No obligation free quotes an...
P OUGHTON BUILDING is an established and experienced local extension builder in ME12. Please contact us for a free, no obligation quote and competi...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in ME12 it ranges from £1,568 (Rafs based in ME15) to £2,624 (Des Durant General Building based in ME5).
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 ME12 by posting a job with HaMuch and we will send it to extension builders in ME12.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Sittingbourne | £35 | £246 |
| Install An RSJ near Swale | £35 | £241 |
| Install An RSJ near Faversham | £34 | £235 |
| Install An RSJ near Southend-on-Sea | £37 | £247 |
| Install An RSJ near Whitstable | £28 | £214 |
| Install An RSJ near Gillingham | £39 | £253 |
| Install An RSJ near Canvey Island | £39 | £256 |
| Install An RSJ near Chatham | £39 | £254 |
| Install An RSJ near Thundersley | £38 | £251 |
| Install An RSJ near Rochester | £39 | £254 |
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 - £17,513

Two storey extension - £88,019

Build a timber frame extension - £26,013

Build a swimming pool - £81,013

Single storey extension - £55,256

Side return extension - £41,644

Install an RSJ - £2,213

Outbuilding - £10,013

Build a Mansard loft conversion - £52,013

Loft conversion - £33,870

Build a kitchen extension - £42,013

Hip to gable loft conversion - £42,013

Granny annexe - £87,013

Garden office - £10,013

Convert a Garage - £16,013

Garage - £18,513

Build a flat roof extension - £22,013

Build a dormer loft conversion - £42,013

Concrete foundations - £6,263

Convert a bungalow loft - £29,013

Convert a basement - £37,644