From £2,136
As a business we pride ourselves on running our business efficiently and to a very high standard. Our main aims are to communicate continuously thr...
From £1,920
Nick Hopewell Design, Build & Restoration is an established extension buildering business in DE6. We come highly recommended and provide competitiv...
From £2,240
Offering a turnkey solution for builds and renovations, we have built up a reputation for a friendly and professional service by our team of experi...
From £2,144
Our building services company The Conversion Guy have been helping customers in Derbyshire and the surrounding areas for over 40 years.We k...
From £2,224
Peter Ferns Builder is an established and experienced local extension builder in DE6. Please contact us for a free, no obligation quote and competi...
From £1,944
The Blackbrook Group offers a one-stop shop for your construction project. We offer support from concept through to completion. We start with an in...
From £1,904
A J Construction is an established and experienced local extension builder in DE6. Please contact us for a free, no obligation quote and competitiv...
From £2,280
GABRIEL BUILDING SERVICES is a trusted extension builder serving customers in DE6 and the surrounding area. Contact us to today to get a competitiv...
From £1,912
Timbuild building services Ltd is a trusted extension builder serving customers in DE6 and the surrounding area. Contact us to today to get a compe...
From £2,096
Derbyshire Bathrooms & Kitchens Ltd is an established and experienced local extension builder in DE6. Please contact us for a free, no obligation q...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in DE6 it ranges from £1,904 (A J Construction based in DE22) to £2,280 (GABRIEL BUILDING SERVICES based in DE13).
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 DE6 by posting a job with HaMuch and we will send it to extension builders in DE6.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Amber Valley | £31 | £238 |
| Install An RSJ near Belper | £32 | £244 |
| Install An RSJ near Derby | £30 | £228 |
| Install An RSJ near Burton upon Trent | £32 | £255 |
| Install An RSJ near Ripley | £32 | £246 |
| Install An RSJ near Leek | £33 | £254 |
| Install An RSJ near Heanor | £31 | £236 |
| Install An RSJ near Alfreton | £34 | £261 |
| Install An RSJ near Ilkeston | £31 | £235 |
| Install An RSJ near Swadlincote | £31 | £248 |
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 - £17,380

Two storey extension - £87,820

Build a timber frame extension - £25,880

Build a swimming pool - £80,880

Single storey extension - £52,600

Side return extension - £40,150

Install an RSJ - £2,080

Outbuilding - £9,880

Build a Mansard loft conversion - £51,880

Loft conversion - £32,625

Build a kitchen extension - £41,880

Hip to gable loft conversion - £41,880

Granny annexe - £86,880

Garden office - £9,880

Convert a Garage - £15,880

Garage - £18,380

Build a flat roof extension - £21,880

Build a dormer loft conversion - £41,880

Concrete foundations - £6,130

Convert a bungalow loft - £28,880

Convert a basement - £36,150