From £1,800
TIMBER PRODUCT CONSTRUCTION is an established extension buildering business in EX20. We come highly recommended and provide competitive quotes for ...
From £1,880
We are a small team of Builders working out of Okehampton. We take on all types of projects small and large. From bathrooms to kitchens, plastering...
From £2,144
MAW BUILDERS is a trusted extension builder serving customers in EX20 and the surrounding area. Contact us to today to get a competitive quote for ...
From £2,136
Trusted and professional extension builder in EX20. Experienced in all extension buildering work and keeping within budget and on quote. Evan Devel...
From £2,040
H & S CONSTRUCTION is an established and experienced local extension builder in EX20. Please contact us for a free, no obligation quote and competi...
From £2,344
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £1,848
RJ WEVILL BUILDER are here to help customers who need an Extension Builder in EX20. We offer a competitive rate to complete all your extension buil...
From £2,048
Copps Property Maintenance are here to help customers who need an Extension Builder in EX20. We offer a competitive rate to complete all your exten...
From £1,936
Relax... you have found a reliable extension builder in EX20. Garage Door Repairman is a friendly and reliable company based in EX20 who consider n...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in EX20 it ranges from £1,800 (TIMBER PRODUCT CONSTRUCTION based in EX20) to £2,488 (Brian C Credicott based in PL19).
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 EX20 by posting a job with HaMuch and we will send it to extension builders in EX20.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Bideford | £22 | £174 |
| Install An RSJ near Teignbridge | £27 | £260 |
| Install An RSJ near Exeter | £27 | £221 |
| Install An RSJ near Barnstaple | £25 | £196 |
| Install An RSJ near Newton Abbot | £27 | £236 |
| Install An RSJ near Tiverton | £25 | £202 |
| Install An RSJ near Plymouth | £30 | £230 |
| Install An RSJ near Exmouth | £24 | £210 |
| Install An RSJ near Paignton | £27 | £222 |
| Install An RSJ near Torquay | £28 | £223 |
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 - £17,366

Two storey extension - £87,800

Build a timber frame extension - £25,866

Build a swimming pool - £80,866

Single storey extension - £52,328

Side return extension - £39,997

Install an RSJ - £2,066

Outbuilding - £9,866

Build a Mansard loft conversion - £51,866

Loft conversion - £32,498

Build a kitchen extension - £41,866

Hip to gable loft conversion - £41,866

Granny annexe - £86,866

Garden office - £9,866

Convert a Garage - £15,866

Garage - £18,366

Build a flat roof extension - £21,866

Build a dormer loft conversion - £41,866

Concrete foundations - £6,116

Convert a bungalow loft - £28,866

Convert a basement - £35,997