From £2,192
If you are looking for a Stansted extension builder and you need something replaced, fitted, or fixed, contact GS Contractors (Loughton) Limited to...
From £2,384
We provide our Customers in the Essex and London area with a wide range of property related services, including kitchen, bathroom, bedroom and comp...
From £2,088
Polite, honest and hardworking with an outstanding quality of workmanship.
From £2,272
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,656
MDH Construction is an established and experienced local extension builder in Stansted. Please contact us for a free, no obligation quote and compe...
From £2,080
Need an Extension Builder in Stansted? Mc2 Building Services has been helping local clients (20 mile radius) with their extension buildering jobs f...
From £3,560
Experienced extension builder ready to quote for your work. ALLIED BUILDING ASSOCIATES LTD is the best extension builder in Stansted. No obligation...
From £2,600
D C Salsbury Builders is an established and experienced local extension builder in Stansted. Please contact us for a free, no obligation quote and ...
From £2,352
Stansted, CM24
Need to find an Extension Builder near you for all your extension buildering work?
JKL Construction & Carpentry Ltd provides a local, trust...
From £2,184
Experienced extension builder ready to quote for your work. All Roofing & Guttering is the best extension builder in Stansted. No obligation free q...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Stansted it ranges from £2,080 (Mc2 Building Services based in CO9) 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 Stansted by posting a job with HaMuch and we will send it to extension builders in Stansted.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Bishop's Stortford | £42 | £264 |
| Install An RSJ near Harlow | £43 | £288 |
| Install An RSJ near East Hertfordshire | £44 | £289 |
| Install An RSJ near Ware | £47 | £296 |
| Install An RSJ near Hoddesdon | £46 | £296 |
| Install An RSJ near Hertford | £46 | £289 |
| Install An RSJ near Braintree | £37 | £247 |
| Install An RSJ near Chelmsford | £38 | £258 |
| Install An RSJ near Haverhill | £37 | £260 |
| Install An RSJ near Stevenage | £44 | £282 |
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 - £17,737

Two storey extension - £88,355

Build a timber frame extension - £26,237

Build a swimming pool - £81,237

Single storey extension - £59,736

Side return extension - £44,164

Install an RSJ - £2,437

Outbuilding - £10,237

Build a Mansard loft conversion - £52,237

Loft conversion - £35,970

Build a kitchen extension - £42,237

Hip to gable loft conversion - £42,237

Granny annexe - £87,237

Garden office - £10,237

Convert a Garage - £16,237

Garage - £18,737

Build a flat roof extension - £22,237

Build a dormer loft conversion - £42,237

Concrete foundations - £6,487

Convert a bungalow loft - £29,237

Convert a basement - £40,164