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Available extension builders in TN11 reply
Select your affordable TN11 extension builder
P & A CONSTRUCTION LIMITED is an established extension buildering business in TN11. We come highly recommended and provide competitive quotes for y...
From £2,096
M L Builders & Sons Limited is an established and experienced local extension builder in TN11. Please contact us for a free, no obligation quote an...
From £2,128
Nordic Sky Limited is an established and experienced local extension builder in TN11. Please contact us for a free, no obligation quote and competi...
From £2,224
Spend a Penny Installations Ltd is an established extension buildering business in TN11. We come highly recommended and provide competitive quotes ...
From £2,440
montyandbo is an established and experienced local extension builder in TN11. Please contact us for a free, no obligation quote and competitive rat...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in TN11 it ranges from £2,096 (M L Builders & Sons Limited based in TN10) to £2,440 (Montyandbo based in TN4).
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 TN11 by posting a job with HaMuch and we will send it to extension builders in TN11.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Tonbridge | £38 | £254 |
| Install An RSJ near Tunbridge Wells | £37 | £258 |
| Install An RSJ near Sevenoaks | £38 | £234 |
| Install An RSJ near Larkfield | £41 | £253 |
| Install An RSJ near Crowborough | £36 | £258 |
| Install An RSJ near Maidstone | £40 | £255 |
| Install An RSJ near East Grinstead | £37 | £259 |
| Install An RSJ near Rochester | £39 | £254 |
| Install An RSJ near Caterham | £43 | £271 |
| Install An RSJ near Gravesend | £40 | £260 |
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 - £17,550

Two storey extension - £88,074

Build a timber frame extension - £26,050

Build a swimming pool - £81,050

Single storey extension - £55,992

Side return extension - £42,058

Install an RSJ - £2,250

Outbuilding - £10,050

Build a Mansard loft conversion - £52,050

Loft conversion - £34,215

Build a kitchen extension - £42,050

Hip to gable loft conversion - £42,050

Granny annexe - £87,050

Garden office - £10,050

Convert a Garage - £16,050

Garage - £18,550

Build a flat roof extension - £22,050

Build a dormer loft conversion - £42,050

Concrete foundations - £6,300

Convert a bungalow loft - £29,050

Convert a basement - £38,058