From £2,024
Miss are here to help customers who need an Extension Builder in B78. We offer a competitive rate to complete all your extension buildering jobs to...
From £3,256
Roofseal is an established extension buildering business in B78. We come highly recommended and provide competitive quotes for your work.
From £2,800
I have 26 years experience...There is me and 2 lads, I have all the sub contractors at my disposal for all the Trades.. ...
From £1,952
Experienced extension builder ready to quote for your work. SELF BUILD is the best extension builder in B78. No obligation free quotes and many hap...
From £1,952
Experienced extension builder ready to quote for your work. Sas Building Solutions is the best extension builder in B78. No obligation free quotes ...
From £1,896
To whom it may concern where I small family business been in business for 36 years we carry out very good workmanship all our staff are prese...
From £1,968
Need to find an Extension Builder near you for all your extension buildering work?
James Leonnard Builders provides a local, trusted extens...
From £2,240
Lichfield Loft Conversions Ltd is a trusted extension builder serving customers in B78 and the surrounding area. Contact us to today to get a compe...
From £2,072
Need to find an Extension Builder near you for all your extension buildering work?
itsoktu Ltd provides a local, trusted extension builderi...
From £2,208
Founded in 2009 by educated interior and fashion tailor, Stuart Iain Greive, Itsoktu Ltd is a well-established and all-rounded design Company built...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in B78 it ranges from £1,896 (All Build Contractors based in B75) to £3,256 (Roofseal based in B77).
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 B78 by posting a job with HaMuch and we will send it to extension builders in B78.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Tamworth | £33 | £288 |
| Install An RSJ near Sutton Coldfield | £29 | £228 |
| Install An RSJ near Lichfield | £29 | £226 |
| Install An RSJ near Nuneaton | £29 | £225 |
| Install An RSJ near Moira | £29 | £222 |
| Install An RSJ near Brownhills | £28 | £225 |
| Install An RSJ near Burntwood | £29 | £229 |
| Install An RSJ near Nuneaton & Bedworth | £28 | £219 |
| Install An RSJ near Birmingham | £29 | £227 |
| Install An RSJ near Bedworth | £28 | £219 |
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 - £17,537

Two storey extension - £88,055

Build a timber frame extension - £26,037

Build a swimming pool - £81,037

Single storey extension - £55,736

Side return extension - £41,914

Install an RSJ - £2,237

Outbuilding - £10,037

Build a Mansard loft conversion - £52,037

Loft conversion - £34,095

Build a kitchen extension - £42,037

Hip to gable loft conversion - £42,037

Granny annexe - £87,037

Garden office - £10,037

Convert a Garage - £16,037

Garage - £18,537

Build a flat roof extension - £22,037

Build a dormer loft conversion - £42,037

Concrete foundations - £6,287

Convert a bungalow loft - £29,037

Convert a basement - £37,914