Elena nuta Radu
Plumbing, painting exterior, interior, extensions, plastering, skiming, carpeting, Flooring, you can ask us ..
Need to find an Extension Builder near you for all your extension buildering work?
Greg-Bud provides a local, trusted extension buildering ...
Top Notch Tradesmen is an established and experienced local extension builder in LU4. Please contact us for a free, no obligation quote and competi...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
A.J Builders is an established and experienced local extension builder in LU4. Please contact us for a free, no obligation quote and competitive ra...
Klajdi Progja
Need to find an Extension Builder near you for all your extension buildering work?
Mat al construction ltd provides a local, trusted exten...
We use only the highest quality products, and you can rest assured knowing that we are fully certified and registered with the relevant authorities...
S Sherazi Home Improvement Service are here to help customers who need an Extension Builder in LU4. We offer a competitive rate to complete all you...
Melvyn Dallimore
Painting & Decorating including property maintenance Building services honest trustworthy fully qualified decorators established 35 years.We cove...
Abbas Shah
ARC Building Services is a trusted extension builder serving customers in LU4 and the surrounding area. Contact us to today to get a competitive q...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in LU4 it ranges from £2,136 (Bacan's cleaning painting and decorating based in LU1) to £5,152 ( A & D Maintenance Services Ltd based in LU2).
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 LU4 by posting a job with HaMuch and we will send it to extension builders in LU4.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Luton | £42 | £279 |
| Install An RSJ near Dunstable | £41 | £274 |
| Install An RSJ near Mid Bedfordshire | £42 | £276 |
| Install An RSJ near Harpenden | £87 | £317 |
| Install An RSJ near Leighton Buzzard | £38 | £270 |
| Install An RSJ near Ampthill | £38 | £258 |
| Install An RSJ near Hitchin | £43 | £283 |
| Install An RSJ near Hemel Hempstead | £42 | £270 |
| Install An RSJ near Berkhamsted | £41 | £263 |
| Install An RSJ near Dacorum | £42 | £269 |
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 - £17,986

Two storey extension - £88,730

Build a timber frame extension - £26,486

Build a swimming pool - £81,486

Single storey extension - £64,728

Side return extension - £46,972

Install an RSJ - £2,686

Outbuilding - £10,486

Build a Mansard loft conversion - £52,486

Loft conversion - £38,310

Build a kitchen extension - £42,486

Hip to gable loft conversion - £42,486

Granny annexe - £87,486

Garden office - £10,486

Convert a Garage - £16,486

Garage - £18,986

Build a flat roof extension - £22,486

Build a dormer loft conversion - £42,486

Concrete foundations - £6,736

Convert a bungalow loft - £29,486

Convert a basement - £42,972