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Relax... you have found a reliable extension builder in East Hertfordshire. Up and Out Builds Ltd is a friendly and reliable company based in East ...
Need an Extension Builder in East Hertfordshire? MA Gower has been helping local clients (20 mile radius) with their extension buildering jobs for ...
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...
Gary Braine
Experienced extension builder ready to quote for your work. G B BUILDSTORE LTD is the best extension builder in East Hertfordshire. No obligation f...
Herts Loft Ltd is an established extension buildering business in East Hertfordshire. We come highly recommended and provide competitive quotes for...
Need to find an Extension Builder near you for all your extension buildering work?
TPJ Building Ltd provides a local, trusted extension bui...
LTM Construction is an established and experienced local extension builder in East Hertfordshire. Please contact us for a free, no obligation quote...
From £2,656
Steve Rolt Home Improvements Ltd was founded in 2016 in Buntingford, Hertfordshire, and from small beginnings, has gone from stren...
From £2,704
WALKERN CONSTRUCTION LIMITED is an established and experienced local extension builder in East Hertfordshire. Please contact us for a free, no obli...
From £2,160
Relax... you have found a reliable extension builder in East Hertfordshire. Interior Installations is a friendly and reliable company based in East...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in East Hertfordshire it ranges from £2,120 (MA Gower based in AL6) to £2,704 (WALKERN CONSTRUCTION LIMITED based in SG2).
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 East Hertfordshire by posting a job with HaMuch and we will send it to extension builders in East Hertfordshire.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near East Hertfordshire | £44 | £289 |
| Install An RSJ near Ware | £47 | £296 |
| Install An RSJ near Hertford | £46 | £290 |
| Install An RSJ near Stevenage | £44 | £282 |
| Install An RSJ near North Hertfordshire | £44 | £283 |
| Install An RSJ near Welwyn Garden City | £42 | £269 |
| Install An RSJ near Hoddesdon | £46 | £296 |
| Install An RSJ near Hitchin | £43 | £283 |
| Install An RSJ near Letchworth | £44 | £283 |
| Install An RSJ near Bishop's Stortford | £42 | £264 |
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 - £17,706

Two storey extension - £88,310

Build a timber frame extension - £26,206

Build a swimming pool - £81,206

Single storey extension - £59,128

Side return extension - £43,822

Install an RSJ - £2,406

Outbuilding - £10,206

Build a Mansard loft conversion - £52,206

Loft conversion - £35,685

Build a kitchen extension - £42,206

Hip to gable loft conversion - £42,206

Granny annexe - £87,206

Garden office - £10,206

Convert a Garage - £16,206

Garage - £18,706

Build a flat roof extension - £22,206

Build a dormer loft conversion - £42,206

Concrete foundations - £6,456

Convert a bungalow loft - £29,206

Convert a basement - £39,822