From £1,944
Need an Extension Builder in IP1? Suffolk Asbestos Services has been helping local clients (20 mile radius) with their extension buildering jobs fo...
From £3,168
Universal Property Services Ltd is an established and experienced local extension builder in IP1. Please contact us for a free, no obligation quote...
From £2,120
Relax... you have found a reliable extension builder in IP1. LWH Builders is a friendly and reliable company based in IP1 who consider no job as to...
From £2,288
At AQL Carpentry Ltd, a full-service building company dedicated to providing high-quality construction services to clients throughout Suffolk. With...
From £2,240
Hurstlea Power And Lighting Ltd is a trusted extension builder serving customers in IP1 and the surrounding area. Contact us to today to get a comp...
From £1,880
PPM Builders is a trusted extension builder serving customers in IP1 and the surrounding area. Contact us to today to get a competitive quote for e...
From £1,696
Trusted and professional extension builder in IP1. Experienced in all extension buildering work and keeping within budget and on quote. MILTON BUIL...
From £2,224
NEIL WYLIE BUILDERS LIMITED is a trusted extension builder serving customers in IP1 and the surrounding area. Contact us to today to get a competit...
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 £1,496
Caley & Son are here to help customers who need an Extension Builder in IP1. We offer a competitive rate to complete all your extension buildering ...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in IP1 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 IP1 by posting a job with HaMuch and we will send it to extension builders in IP1.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Ipswich | £33 | £235 |
| Install An RSJ near Harwich | £34 | £248 |
| Install An RSJ near Felixstowe | £31 | £231 |
| Install An RSJ near Stowmarket | £30 | £221 |
| Install An RSJ near Tendring | £31 | £226 |
| Install An RSJ near Suffolk Coastal | £28 | £215 |
| Install An RSJ near Colchester | £33 | £230 |
| Install An RSJ near Sudbury | £34 | £229 |
| Install An RSJ near Clacton-on-Sea | £31 | £232 |
| 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 - £17,437

Two storey extension - £87,905

Build a timber frame extension - £25,937

Build a swimming pool - £80,937

Single storey extension - £53,736

Side return extension - £40,789

Install an RSJ - £2,137

Outbuilding - £9,937

Build a Mansard loft conversion - £51,937

Loft conversion - £33,158

Build a kitchen extension - £41,937

Hip to gable loft conversion - £41,937

Granny annexe - £86,937

Garden office - £9,937

Convert a Garage - £15,937

Garage - £18,437

Build a flat roof extension - £21,937

Build a dormer loft conversion - £41,937

Concrete foundations - £6,187

Convert a bungalow loft - £28,937

Convert a basement - £36,789