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Select your affordable Cromer extension builder
MARK WELCH BUILDING SER is a trusted extension builder serving customers in Cromer and the surrounding area. Contact us to today to get a competiti...
Larry Campbell
Cromer, NR27
Experienced extension builder ready to quote for your work. CAMPBELLS is the best extension builder in Cromer. No obligation free quotes and many h...
From £1,904
David Dewbery
Cromer, NR27
Star Paving Services are here to help customers who need an Extension Builder in Cromer. We offer a competitive rate to complete all your extension...
From £2,160
simon hunt building services is an established extension buildering business in Cromer. We come highly recommended and provide competitive quotes f...
From £2,512
Halls Property Services Ltd - Independent Network Installer is an established and experienced local extension builder in Cromer. Please contact us ...
From £2,008
Trusted and professional extension builder in Cromer. Experienced in all extension buildering work and keeping within budget and on quote. L & L CO...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Cromer it ranges from £1,392 (CAMPBELLS based in NR27) to £2,512 (Halls Property Services Ltd - Independent Network Installer based in NR11).
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 Cromer by posting a job with HaMuch and we will send it to extension builders in Cromer.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Broadland | £24 | £194 |
| Install An RSJ near Norwich | £25 | £200 |
| Install An RSJ near Great Yarmouth | £13 | £132 |
| Install An RSJ near Dereham | £25 | £203 |
| Install An RSJ near Gorleston-on-Sea | £25 | £205 |
| Install An RSJ near Breckland | £28 | £248 |
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 - £17,248

Two storey extension - £87,622

Build a timber frame extension - £25,748

Build a swimming pool - £80,748

Single storey extension - £49,960

Side return extension - £38,665

Install an RSJ - £1,948

Outbuilding - £9,748

Build a Mansard loft conversion - £51,748

Loft conversion - £31,388

Build a kitchen extension - £41,748

Hip to gable loft conversion - £41,748

Granny annexe - £86,748

Garden office - £9,748

Convert a Garage - £15,748

Garage - £18,248

Build a flat roof extension - £21,748

Build a dormer loft conversion - £41,748

Concrete foundations - £5,998

Convert a bungalow loft - £28,748

Convert a basement - £34,665