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Select your affordable BB2 extension builder
Need to find an Extension Builder near you for all your extension buildering work?
D Parker Design & Build provides a local, trusted extens...
WM Brickwork & Pointing are here to help customers who need an Extension Builder in BB2. We offer a competitive rate to complete all your extension...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Need to find an Extension Builder near you for all your extension buildering work?
J. Grimshaw provides a local, trusted extension builderi...
Lonsdale Construction is a trusted extension builder serving customers in BB2 and the surrounding area. Contact us to today to get a competitive qu...
Ash
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
M. Pickering Builder & Joiner is a trusted extension builder serving customers in BB2 and the surrounding area. Contact us to today to get a compet...
Need to find an Extension Builder near you for all your extension buildering work?
East Lancs Construction Ltd provides a local, trusted ex...
Tony Mallett
over 40 years experience in the trade my business has been established 45 years.
i am in the guild of master craftsmen and the lo...
From £2,016
BRYAN LEE BUILDING CONST LTD is an established and experienced local extension builder in BB2. Please contact us for a free, no obligation quote an...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in BB2 it ranges from £1,432 (COMPLETE BUILDING SERVICES based in BB2) to £2,136 (Garry Ryan Property Repairs based in BB1).
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 BB2 by posting a job with HaMuch and we will send it to extension builders in BB2.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Blackburn | £33 | £247 |
| Install An RSJ near Darwen | £34 | £255 |
| Install An RSJ near Accrington | £33 | £244 |
| Install An RSJ near Bamber Bridge | £30 | £216 |
| Install An RSJ near Chorley | £30 | £221 |
| Install An RSJ near Preston | £30 | £218 |
| Install An RSJ near Leyland | £30 | £223 |
| Install An RSJ near Rawtenstall | £29 | £213 |
| Install An RSJ near Fulwood | £31 | £217 |
| Install An RSJ near Penwortham | £30 | £218 |
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 - £17,231

Two storey extension - £87,597

Build a timber frame extension - £25,731

Build a swimming pool - £80,731

Single storey extension - £49,624

Side return extension - £38,476

Install an RSJ - £1,931

Outbuilding - £9,731

Build a Mansard loft conversion - £51,731

Loft conversion - £31,230

Build a kitchen extension - £41,731

Hip to gable loft conversion - £41,731

Granny annexe - £86,731

Garden office - £9,731

Convert a Garage - £15,731

Garage - £18,231

Build a flat roof extension - £21,731

Build a dormer loft conversion - £41,731

Concrete foundations - £5,981

Convert a bungalow loft - £28,731

Convert a basement - £34,476