From £2,072
Need an Extension Builder in Sittingbourne? Ybb has been helping local clients (20 mile radius) with their extension buildering jobs for many years...
From £2,112
Faryearny Building Services Ltd is an established extension buildering business in Sittingbourne. We come highly recommended and provide competitiv...
From £2,152
Although only formed in 2011, we have put together a team with years of experience and in depth knowledge of the construction industry. Many of our...
From £2,168
Sittingbourne, ME10
D.E Wilson Builder Restoration & Refurbishment is an established extension buildering business in Sittingbourne. We come highly recommended and pro...
From £2,024
Sittingbourne, ME10
Hi we are a top professional company who put our customers first finish on time great customer service
From £2,072
Sittingbourne, ME10
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,400
Sittingbourne, ME10
Experienced extension builder ready to quote for your work. SEAN EVANS GENERAL BUILDER is the best extension builder in Sittingbourne. No obligatio...
From £2,392
Sittingbourne, ME9
ON BUILDING LTD is a trusted extension builder serving customers in Sittingbourne and the surrounding area. Contact us to today to get a competitiv...
From £2,456
Sittingbourne, ME9
Need to find an Extension Builder near you for all your extension buildering work?
Pride Property Maintenance provides a local, trusted ext...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Sittingbourne it ranges from £2,024 (Mr based in ME10) to £2,456 (Pride Property Maintenance based in ME9).
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 Sittingbourne by posting a job with HaMuch and we will send it to extension builders in Sittingbourne.
| 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 Gillingham | £39 | £253 |
| Install An RSJ near Chatham | £39 | £254 |
| Install An RSJ near Rochester | £39 | £254 |
| Install An RSJ near Maidstone | £40 | £255 |
| Install An RSJ near Larkfield | £41 | £253 |
| Install An RSJ near Whitstable | £28 | £214 |
| Install An RSJ near Canvey Island | £39 | £256 |
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 - £17,505

Two storey extension - £88,007

Build a timber frame extension - £26,005

Build a swimming pool - £81,005

Single storey extension - £55,096

Side return extension - £41,554

Install an RSJ - £2,205

Outbuilding - £10,005

Build a Mansard loft conversion - £52,005

Loft conversion - £33,795

Build a kitchen extension - £42,005

Hip to gable loft conversion - £42,005

Granny annexe - £87,005

Garden office - £10,005

Convert a Garage - £16,005

Garage - £18,505

Build a flat roof extension - £22,005

Build a dormer loft conversion - £42,005

Concrete foundations - £6,255

Convert a bungalow loft - £29,005

Convert a basement - £37,554