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Select your affordable North Devon extension builder
From £1,608
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,848
Experienced extension builder ready to quote for your work. Taylor Made Projects is the best extension builder in North Devon. No obligation free q...
From £1,696
Honka UK Ltd is a trusted extension builder serving customers in North Devon and the surrounding area. Contact us to today to get a competitive quo...
From £1,888
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,728
Need an Extension Builder in North Devon? Chloe Property Design has been helping local clients (20 mile radius) with their extension buildering job...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in North Devon it ranges from £1,608 (PJ Jewell & Son based in EX32) to £1,888 (IDEAL CONSTRUCTION based in EX31).
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 North Devon by posting a job with HaMuch and we will send it to extension builders in North Devon.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Barnstaple | £25 | £196 |
| Install An RSJ near Bideford | £22 | £174 |
| Install An RSJ near Tiverton | £25 | £202 |
| Install An RSJ near Exeter | £27 | £221 |
| Install An RSJ near Vale of Glamorgan | £29 | £217 |
| Install An RSJ near Porthcawl | £33 | £252 |
| Install An RSJ near Barry | £33 | £223 |
| Install An RSJ near East Devon | £27 | £221 |
| Install An RSJ near Exmouth | £24 | £210 |
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 - £17,054

Two storey extension - £87,330

Build a timber frame extension - £25,554

Build a swimming pool - £80,554

Single storey extension - £46,072

Side return extension - £36,478

Install an RSJ - £1,754

Outbuilding - £9,554

Build a Mansard loft conversion - £51,554

Loft conversion - £29,565

Build a kitchen extension - £41,554

Hip to gable loft conversion - £41,554

Granny annexe - £86,554

Garden office - £9,554

Convert a Garage - £15,554

Garage - £18,054

Build a flat roof extension - £21,554

Build a dormer loft conversion - £41,554

Concrete foundations - £5,804

Convert a bungalow loft - £28,554

Convert a basement - £32,478