From £1,656
Dmc paving&landscaping we. Family run company with many years experience with over 100 reviews on other websites
From £1,496
Caley & Son are here to help customers who need an Extension Builder in IP5. We offer a competitive rate to complete all your extension buildering ...
From £2,224
NEIL WYLIE BUILDERS LIMITED is a trusted extension builder serving customers in IP5 and the surrounding area. Contact us to today to get a competit...
From £1,696
Trusted and professional extension builder in IP5. Experienced in all extension buildering work and keeping within budget and on quote. MILTON BUIL...
From £2,160
BOOTH DESIGN AND BUILD LTD are here to help customers who need an Extension Builder in IP5. We offer a competitive rate to complete all your extens...
From £2,000
Trusted and professional extension builder in IP5. Experienced in all extension buildering work and keeping within budget and on quote. James Franc...
From £2,312
San Diego Construction Custom Homes has experience building homes in the UK, Canada and the United States since 1999. It was founded on quality and...
From £1,880
PPM Builders is a trusted extension builder serving customers in IP5 and the surrounding area. Contact us to today to get a competitive quote for e...
From £1,712
Need to find an Extension Builder near you for all your extension buildering work?
D.J Ruse Builders provides a local, trusted extension bu...
From £3,168
Universal Property Services Ltd is an established and experienced local extension builder in IP5. Please contact us for a free, no obligation quote...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in IP5 it ranges from £1,496 (Caley & Son based in IP3) to £3,168 (Universal Property Services Ltd based in IP1).
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 IP5 by posting a job with HaMuch and we will send it to extension builders in IP5.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Ipswich | £33 | £235 |
| Install An RSJ near Felixstowe | £31 | £231 |
| Install An RSJ near Harwich | £34 | £248 |
| Install An RSJ near Suffolk Coastal | £28 | £215 |
| Install An RSJ near Tendring | £31 | £226 |
| Install An RSJ near Stowmarket | £30 | £221 |
| Install An RSJ near Clacton-on-Sea | £31 | £232 |
| Install An RSJ near Colchester | £33 | £230 |
| Install An RSJ near Sudbury | £34 | £229 |
| Install An RSJ near Bury St Edmunds | £34 | £251 |
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 - £17,330

Two storey extension - £87,746

Build a timber frame extension - £25,830

Build a swimming pool - £80,830

Single storey extension - £51,608

Side return extension - £39,592

Install an RSJ - £2,030

Outbuilding - £9,830

Build a Mansard loft conversion - £51,830

Loft conversion - £32,160

Build a kitchen extension - £41,830

Hip to gable loft conversion - £41,830

Granny annexe - £86,830

Garden office - £9,830

Convert a Garage - £15,830

Garage - £18,330

Build a flat roof extension - £21,830

Build a dormer loft conversion - £41,830

Concrete foundations - £6,080

Convert a bungalow loft - £28,830

Convert a basement - £35,592