From £1,904
Leicester, LE1
Need to find an Extension Builder near you for all your extension buildering work?
LYMINSTER CONSTRUCTION LTD provides a local, trusted ext...
From £1,808
Leicester, LE4
Experienced extension builder ready to quote for your work. ZF2 Builders is the best extension builder in Leicester. No obligation free quotes and...
From £1,816
Trusted and professional extension builder in Leicester. Experienced in all extension buildering work and keeping within budget and on quote. Affor...
From £2,040
Leicester, LE4
Budding Oaks Landscape Design Reliable. Efficient. Designed Around You. At Budding Oaks Landscape Design, we’re more than a landscap...
From £2,104
With extensive extension buildering experience, we provide reliable, high-quality workmanship at competitive prices. FJ Property Care Ltd understan...
From £2,072
Relax... you have found a reliable extension builder in Leicester. JL Construction is a friendly and reliable company based in Leicester who consid...
From £1,736
Need an Extension Builder in Leicester? KMG BUILDERS has been helping local clients (20 mile radius) with their extension buildering jobs for many ...
From £1,944
Relax... you have found a reliable extension builder in Leicester. Ralston Properties ltd is a friendly and reliable company based in Leicester who...
From £1,992
Colin Pallett is a trusted extension builder serving customers in Leicester and the surrounding area. Contact us to today to get a competitive quot...
From £1,848
FALCON BUILDERS is a trusted extension builder serving customers in Leicester and the surrounding area. Contact us to today to get a competitive qu...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Leicester it ranges from £1,736 (KMG BUILDERS based in LE4) to £2,104 (FJ Property Care Ltd based in LE2).
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 Leicester by posting a job with HaMuch and we will send it to extension builders in Leicester.
"RSJ installation, load bearing 6.5m, calculations required" - LE18, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Leicester | £29 | £213 |
| Install An RSJ near Oadby | £28 | £207 |
| Install An RSJ near Hamilton | £29 | £213 |
| Install An RSJ near Wigston | £28 | £209 |
| Install An RSJ near Charnwood | £32 | £245 |
| Install An RSJ near Loughborough | £32 | £262 |
| Install An RSJ near Coalville | £32 | £242 |
| Install An RSJ near Hinckley | £29 | £224 |
| Install An RSJ near Melton Mowbray | £31 | £222 |
| Install An RSJ near Market Harborough | £31 | £217 |
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 - £17,226

Two storey extension - £87,590

Build a timber frame extension - £25,726

Build a swimming pool - £80,726

Single storey extension - £49,528

Side return extension - £38,422

Install an RSJ - £1,926

Outbuilding - £9,726

Build a Mansard loft conversion - £51,726

Loft conversion - £31,185

Build a kitchen extension - £41,726

Hip to gable loft conversion - £41,726

Granny annexe - £86,726

Garden office - £9,726

Convert a Garage - £15,726

Garage - £18,226

Build a flat roof extension - £21,726

Build a dormer loft conversion - £41,726

Concrete foundations - £5,976

Convert a bungalow loft - £28,726

Convert a basement - £34,422