From £1,872
Experienced extension builder ready to quote for your work. A M F BUILDING CONTRACTOR is the best extension builder in IP11. No obligation free quo...
From £2,256
Relax... you have found a reliable extension builder in IP11. AP Laflin Builders Ltd is a friendly and reliable company based in IP11 who consider ...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in IP11 it ranges from £1,872 (A M F BUILDING CONTRACTOR based in IP11) to £2,256 (AP Laflin Builders Ltd based in IP11).
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 IP11 by posting a job with HaMuch and we will send it to extension builders in IP11.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Felixstowe | £31 | £231 |
| Install An RSJ near Harwich | £34 | £248 |
| Install An RSJ near Ipswich | £33 | £235 |
| Install An RSJ near Tendring | £31 | £226 |
| Install An RSJ near Suffolk Coastal | £28 | £215 |
| Install An RSJ near Clacton-on-Sea | £31 | £230 |
| Install An RSJ near Colchester | £34 | £232 |
| Install An RSJ near Stowmarket | £30 | £221 |
| Install An RSJ near Sudbury | £34 | £229 |
| Install An RSJ near Maldon | £36 | £244 |
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 - £17,364

Two storey extension - £87,796

Build a timber frame extension - £25,864

Build a swimming pool - £80,864

Single storey extension - £52,280

Side return extension - £39,970

Install an RSJ - £2,064

Outbuilding - £9,864

Build a Mansard loft conversion - £51,864

Loft conversion - £32,475

Build a kitchen extension - £41,864

Hip to gable loft conversion - £41,864

Granny annexe - £86,864

Garden office - £9,864

Convert a Garage - £15,864

Garage - £18,364

Build a flat roof extension - £21,864

Build a dormer loft conversion - £41,864

Concrete foundations - £6,114

Convert a bungalow loft - £28,864

Convert a basement - £35,970