From £2,392
Need an Extension Builder in Beaconsfield? VA Structures has been helping local clients (10 mile radius) with their extension buildering jobs for m...
From £2,480
Trusted and professional extension builder in Beaconsfield. Experienced in all extension buildering work and keeping within budget and on quote. DC...
From £2,512
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,632
DP Services is a fully insured friendly local company which has been trading since 2002 and delivers high quality building work in domestic extensi...
From £2,504
Hi we have 15 years of experience in building and construction industry our specialization is bathrooms and renovations please have a look at the w...
From £2,624
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,592
Need an Extension Builder in Beaconsfield? Samuele Paolini has been helping local clients (5 mile radius) with their extension buildering jobs for...
From £2,120
NISUP BUILDING SERVICES Company specializes in the domestic and commercial building industry :1. Refurbishm...
From £2,632
Krystian Wojasiewicz is a trusted extension builder serving customers in Beaconsfield and the surrounding area. Contact us to today to get a compet...
From £2,632
Platinum Electrics is a Branch off Platinum Premier Projects who deal in all types of construction projects. Platinum Electrics are based in London...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Beaconsfield it ranges from £2,120 (Nisup Building Services based in HA8) to £2,632 (DP Services based in RG41).
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 Beaconsfield by posting a job with HaMuch and we will send it to extension builders in Beaconsfield.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Gerrards Cross | £43 | £282 |
| Install An RSJ near Hazlemere | £40 | £272 |
| Install An RSJ near High Wycombe | £39 | £272 |
| Install An RSJ near Slough | £42 | £272 |
| Install An RSJ near Maidenhead | £41 | £273 |
| Install An RSJ near Rickmansworth | £42 | £278 |
| Install An RSJ near Chesham | £42 | £277 |
| Install An RSJ near Wycombe | £39 | £271 |
| Install An RSJ near Windsor & Maidenhead | £42 | £272 |
| Install An RSJ near Hillingdon | £63 | £276 |
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 - £17,812

Two storey extension - £88,468

Build a timber frame extension - £26,312

Build a swimming pool - £81,312

Single storey extension - £61,240

Side return extension - £45,010

Install an RSJ - £2,512

Outbuilding - £10,312

Build a Mansard loft conversion - £52,312

Loft conversion - £36,675

Build a kitchen extension - £42,312

Hip to gable loft conversion - £42,312

Granny annexe - £87,312

Garden office - £10,312

Convert a Garage - £16,312

Garage - £18,812

Build a flat roof extension - £22,312

Build a dormer loft conversion - £42,312

Concrete foundations - £6,562

Convert a bungalow loft - £29,312

Convert a basement - £41,010