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Rhiwbina, CF14
The Philog Paving Services is an established extension buildering business in Rhiwbina. We come highly recommended and provide competitive quotes f...
Experienced extension builder ready to quote for your work. Chapman Builders is the best extension builder in Rhiwbina. No obligation free quotes a...
Alan Gaddarn
Very reliable honest and hard working guarantee all work clean and tidy first class work
Experienced extension builder ready to quote for your work. JA Building Maintenance is the best extension builder in Rhiwbina. No obligation free q...
Experienced extension builder ready to quote for your work. TOR BUILD is the best extension builder in Rhiwbina. No obligation free quotes and many...
Relax... you have found a reliable extension builder in Rhiwbina. Charles Marshall Contracting Ltd is a friendly and reliable company based in Rhiw...
Bill Coslett
35 years in the trade and there is not much we haven't come across or done from pools to extensions and we specialise in loft conversions
MARWAY BUILDING LTD is a trusted extension builder serving customers in Rhiwbina and the surrounding area. Contact us to today to get a competitive...
Trusted and professional extension builder in Rhiwbina. Experienced in all extension buildering work and keeping within budget and on quote. Elite ...
Paul Knox
Rhiwbina, CF14
Trusted and professional extension builder in Rhiwbina. Experienced in all extension buildering work and keeping within budget and on quote. PK CON...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Rhiwbina it ranges from £1,240 (PK CONSTRUCTION based in CF14) to £2,008 (Chapman Builders based in CF5).
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 Rhiwbina by posting a job with HaMuch and we will send it to extension builders in Rhiwbina.
"RSJ installation to open up kitchen and utility room. About 2m wide." - CARDIFF, job posted 01/01/70
"RSJ installation" - CARDIFF, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Cardiff | £34 | £223 |
| Install An RSJ near Caerphilly | £33 | £208 |
| Install An RSJ near Church Village | £34 | £214 |
| Install An RSJ near Penarth | £35 | £223 |
| Install An RSJ near Risca | £32 | £218 |
| Install An RSJ near Pontypridd | £33 | £211 |
| Install An RSJ near Barry | £33 | £218 |
| Install An RSJ near Newport | £41 | £233 |
| Install An RSJ near Rhondda | £31 | £206 |
| Install An RSJ near Cwmbran | £43 | £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 - £17,017

Two storey extension - £87,275

Build a timber frame extension - £25,517

Build a swimming pool - £80,517

Single storey extension - £45,336

Side return extension - £36,064

Install an RSJ - £1,717

Outbuilding - £9,517

Build a Mansard loft conversion - £51,517

Loft conversion - £29,220

Build a kitchen extension - £41,517

Hip to gable loft conversion - £41,517

Granny annexe - £86,517

Garden office - £9,517

Convert a Garage - £15,517

Garage - £18,017

Build a flat roof extension - £21,517

Build a dormer loft conversion - £41,517

Concrete foundations - £5,767

Convert a bungalow loft - £28,517

Convert a basement - £32,064