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Trusted and professional extension builder in Ferndown. Experienced in all extension buildering work and keeping within budget and on quote. Hayes ...
Grant Singleton
Trusted and professional extension builder in Ferndown. Experienced in all extension buildering work and keeping within budget and on quote. GMS Ca...
Mark Wadeson
Ferndown, BH22
Building extensions and conversions - commercial and domesticstructural repairsgroundworksdrainage workspaving, patios and concreti...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Ferndown, BH22
Need to find an Extension Builder near you for all your extension buildering work?
J.V MARSTON BUILDERS provides a local, trusted extension...
Trusted and professional extension builder in Ferndown. Experienced in all extension buildering work and keeping within budget and on quote. WR WAR...
Experienced extension builder ready to quote for your work. C&M Roofing is the best extension builder in Ferndown. No obligation free quotes and ma...
Sky Builders is a trusted extension builder serving customers in Ferndown and the surrounding area. Contact us to today to get a competitive quote ...
Experienced extension builder ready to quote for your work. JOSCELYNE BUILDERS is the best extension builder in Ferndown. No obligation free quotes...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Ferndown it ranges from £1,776 (ALWYN DOMINEY based in BH12) to £3,400 (Wade and Son Builders based in bh22).
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 Ferndown by posting a job with HaMuch and we will send it to extension builders in Ferndown.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Bournemouth | £38 | £257 |
| Install An RSJ near Christchurch | £36 | £251 |
| Install An RSJ near Poole | £38 | £250 |
| Install An RSJ near New Forest | £32 | £245 |
| Install An RSJ near Totton | £34 | £243 |
| Install An RSJ near Salisbury | £35 | £247 |
| Install An RSJ near Romsey | £32 | £230 |
| Install An RSJ near Southampton | £34 | £243 |
| Install An RSJ near Eastleigh | £34 | £244 |
| Install An RSJ near Dorchester | £30 | £230 |
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 - £17,677

Two storey extension - £88,265

Build a timber frame extension - £26,177

Build a swimming pool - £81,177

Single storey extension - £58,536

Side return extension - £43,489

Install an RSJ - £2,377

Outbuilding - £10,177

Build a Mansard loft conversion - £52,177

Loft conversion - £35,408

Build a kitchen extension - £42,177

Hip to gable loft conversion - £42,177

Granny annexe - £87,177

Garden office - £10,177

Convert a Garage - £16,177

Garage - £18,677

Build a flat roof extension - £22,177

Build a dormer loft conversion - £42,177

Concrete foundations - £6,427

Convert a bungalow loft - £29,177

Convert a basement - £39,489