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Tom Smith
Reapy property management carry out the following: - Brick / block work - Foundations - Underground drainage - Soft and hard lands...
From £1,992
Justin Doy
hi i have been a carpenter since i left school some 40 years ago, along with my step son and friend [both carpenters]we have a wide range of skills...
From £1,656
Experienced extension builder ready to quote for your work. BFG Suffolk is the best extension builder in Leiston. No obligation free quotes and man...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Leiston it ranges from £1,656 (BFG Suffolk based in IP12) to £2,224 (Reapy property management based in Ip15).
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 Leiston by posting a job with HaMuch and we will send it to extension builders in Leiston.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Suffolk Coastal | £28 | £215 |
| Install An RSJ near Waveney | £24 | £200 |
| Install An RSJ near Felixstowe | £31 | £231 |
| Install An RSJ near Lowestoft | £24 | £197 |
| Install An RSJ near Ipswich | £33 | £235 |
| Install An RSJ near Stowmarket | £30 | £221 |
| Install An RSJ near Harwich | £34 | £248 |
| Install An RSJ near Gorleston-on-Sea | £25 | £205 |
| Install An RSJ near Tendring | £31 | £226 |
| Install An RSJ near Norwich | £25 | £200 |
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 - £17,257

Two storey extension - £87,636

Build a timber frame extension - £25,757

Build a swimming pool - £80,757

Single storey extension - £50,147

Side return extension - £38,770

Install an RSJ - £1,957

Outbuilding - £9,757

Build a Mansard loft conversion - £51,757

Loft conversion - £31,475

Build a kitchen extension - £41,757

Hip to gable loft conversion - £41,757

Granny annexe - £86,757

Garden office - £9,757

Convert a Garage - £15,757

Garage - £18,257

Build a flat roof extension - £21,757

Build a dormer loft conversion - £41,757

Concrete foundations - £6,007

Convert a bungalow loft - £28,757

Convert a basement - £34,770