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Select your affordable Cambridge West extension builder
J & N Contracts Cambs Ltd is an established and experienced local extension builder in Cambridge West. Please contact us for a free, no obligation ...
BOWIE CONSTRUCTION LTD is a trusted extension builder serving customers in Cambridge West and the surrounding area. Contact us to today to get a co...
Comprehensive, Intelligent Construction Service offering Domestic and Commercial Buildings, Barn, Basement and Loft Conversions, Renovation & Refur...
Relax... you have found a reliable extension builder in Cambridge West. CROWNBUILD is a friendly and reliable company based in Cambridge West who c...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Experienced extension builder ready to quote for your work. ALLIED BUILDING ASSOCIATES LTD is the best extension builder in Cambridge West. No obli...
Relax... you have found a reliable extension builder in Cambridge West. D Stebbings is a friendly and reliable company based in Cambridge West who ...
From £2,608
Need to find an Extension Builder near you for all your extension buildering work?
Louise Swarbrick Design provides a local, trusted extens...
From £2,576
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,416
Trusted and professional extension builder in Cambridge West. Experienced in all extension buildering work and keeping within budget and on quote. ...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Cambridge West it ranges from £2,272 (ECO DESIGN & BUILD (UK) LTD based in SG8) to £3,560 (ALLIED BUILDING ASSOCIATES LTD based in CB22).
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 Cambridge West by posting a job with HaMuch and we will send it to extension builders in Cambridge West.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Cambridge | £41 | £275 |
| Install An RSJ near South Cambridgeshire | £50 | £315 |
| Install An RSJ near Haverhill | £37 | £260 |
| Install An RSJ near Ely | £40 | £279 |
| Install An RSJ near St Neots | £51 | £318 |
| Install An RSJ near Huntingdon | £38 | £284 |
| Install An RSJ near Biggleswade | £41 | £268 |
| Install An RSJ near Letchworth | £44 | £283 |
| Install An RSJ near East Hertfordshire | £44 | £289 |
| Install An RSJ near North Hertfordshire | £44 | £283 |
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 - £17,898

Two storey extension - £88,598

Build a timber frame extension - £26,398

Build a swimming pool - £81,398

Single storey extension - £62,968

Side return extension - £45,982

Install an RSJ - £2,598

Outbuilding - £10,398

Build a Mansard loft conversion - £52,398

Loft conversion - £37,485

Build a kitchen extension - £42,398

Hip to gable loft conversion - £42,398

Granny annexe - £87,398

Garden office - £10,398

Convert a Garage - £16,398

Garage - £18,898

Build a flat roof extension - £22,398

Build a dormer loft conversion - £42,398

Concrete foundations - £6,648

Convert a bungalow loft - £29,398

Convert a basement - £41,982