From £2,000
Trusted and professional extension builder in IP9. 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 £1,696
Trusted and professional extension builder in IP9. Experienced in all extension buildering work and keeping within budget and on quote. MILTON BUIL...
From £1,496
Caley & Son are here to help customers who need an Extension Builder in IP9. 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 IP9 and the surrounding area. Contact us to today to get a competit...
From £2,184
HARVEY & LITTLE BUILDING SERVICES are here to help customers who need an Extension Builder in IP9. We offer a competitive rate to complete all your...
From £1,880
PPM Builders is a trusted extension builder serving customers in IP9 and the surrounding area. Contact us to today to get a competitive quote for e...
From £2,128
Our company is built on trust and communication with our clients.We are of firm belief that our customers needs are of the utmost importance.
From £2,120
Relax... you have found a reliable extension builder in IP9. LWH Builders is a friendly and reliable company based in IP9 who consider no job as to...
From £3,168
Universal Property Services Ltd is an established and experienced local extension builder in IP9. 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 IP9 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 IP9 by posting a job with HaMuch and we will send it to extension builders in IP9.
| 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 Tendring | £31 | £226 |
| Install An RSJ near Felixstowe | £31 | £231 |
| Install An RSJ near Colchester | £33 | £230 |
| Install An RSJ near Clacton-on-Sea | £31 | £232 |
| Install An RSJ near Suffolk Coastal | £28 | £215 |
| Install An RSJ near Stowmarket | £30 | £221 |
| Install An RSJ near Sudbury | £34 | £229 |
| Install An RSJ near Witham | £36 | £240 |
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 - £17,421

Two storey extension - £87,881

Build a timber frame extension - £25,921

Build a swimming pool - £80,921

Single storey extension - £53,416

Side return extension - £40,609

Install an RSJ - £2,121

Outbuilding - £9,921

Build a Mansard loft conversion - £51,921

Loft conversion - £33,008

Build a kitchen extension - £41,921

Hip to gable loft conversion - £41,921

Granny annexe - £86,921

Garden office - £9,921

Convert a Garage - £15,921

Garage - £18,421

Build a flat roof extension - £21,921

Build a dormer loft conversion - £41,921

Concrete foundations - £6,171

Convert a bungalow loft - £28,921

Convert a basement - £36,609