From £2,296
Relax... you have found a reliable extension builder in TN23. P F Construction t/a is a friendly and reliable company based in TN23 who consider no...
From £2,216
Trusted and professional extension builder in TN23. Experienced in all extension buildering work and keeping within budget and on quote. C & K BUIL...
From £2,360
Neil Baxter Construction are here to help customers who need an Extension Builder in TN23. We offer a competitive rate to complete all your extensi...
From £2,160
Experienced extension builder ready to quote for your work. J NARCHANT BUILDING is the best extension builder in TN23. No obligation free quotes an...
From £1,984
Need an Extension Builder in TN23? C.Scott Building ltd has been helping local clients (20 mile radius) with their extension buildering jobs for ma...
From £2,376
Relax... you have found a reliable extension builder in TN23. Clint Construction is a friendly and reliable company based in TN23 who consider no j...
From £2,384
ARTISAN CONSTRUCTION is an established and experienced local extension builder in TN23. Please contact us for a free, no obligation quote and compe...
From £2,184
County Construction are a reliable and reputable company that work across the County. We are a family-run business with a good reputation and have ...
From £2,000
Need an Extension Builder in TN23? J TWEEDIE BUILDING SERVICES has been helping local clients (20 mile radius) with their extension buildering jobs...
From £2,448
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in TN23 it ranges from £1,984 (C.Scott Building ltd based in Tn23) to £2,448 (E&F Carpentry and Building Services based in TN24).
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 TN23 by posting a job with HaMuch and we will send it to extension builders in TN23.
"RSJ installation , 6 x 6m rsj’s" - TN23, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Ashford | £36 | £256 |
| Install An RSJ near Hythe | £31 | £228 |
| Install An RSJ near Faversham | £34 | £235 |
| Install An RSJ near Swale | £35 | £241 |
| Install An RSJ near Canterbury | £31 | £232 |
| Install An RSJ near Folkestone | £31 | £233 |
| Install An RSJ near Sittingbourne | £35 | £246 |
| Install An RSJ near Whitstable | £28 | £214 |
| Install An RSJ near Maidstone | £40 | £255 |
| Install An RSJ near Herne Bay | £28 | £213 |
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 - £17,541

Two storey extension - £88,061

Build a timber frame extension - £26,041

Build a swimming pool - £81,041

Single storey extension - £55,816

Side return extension - £41,959

Install an RSJ - £2,241

Outbuilding - £10,041

Build a Mansard loft conversion - £52,041

Loft conversion - £34,133

Build a kitchen extension - £42,041

Hip to gable loft conversion - £42,041

Granny annexe - £87,041

Garden office - £10,041

Convert a Garage - £16,041

Garage - £18,541

Build a flat roof extension - £22,041

Build a dormer loft conversion - £42,041

Concrete foundations - £6,291

Convert a bungalow loft - £29,041

Convert a basement - £37,959