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DAR CONSTRUCTION are here to help customers who need an Extension Builder in PE5. We offer a competitive rate to complete all your extension builde...
Lauren Builders are a domestic and commercial building company based in Peterborough, and is owned and run by Father & Son, Mick & Lee Gapper, who ...
From £2,016
Wightman Build Ltd is an established and experienced local extension builder in PE5. Please contact us for a free, no obligation quote and competit...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in PE5 it ranges from £2,016 (Wightman Build Ltd based in PE9) to £2,360 (DAR CONSTRUCTION based in PE2).
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 PE5 by posting a job with HaMuch and we will send it to extension builders in PE5.
"RSJ installation" - PETERBOROUGH, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Peterborough | £40 | £281 |
| Install An RSJ near Stamford | £35 | £248 |
| Install An RSJ near Huntingdonshire | £36 | £290 |
| Install An RSJ near Corby | £30 | £214 |
| Install An RSJ near Spalding | £32 | £238 |
| Install An RSJ near Huntingdon | £38 | £284 |
| Install An RSJ near Kettering | £34 | £237 |
| Install An RSJ near Wisbech | £34 | £255 |
| Install An RSJ near Rushden | £34 | £231 |
| Install An RSJ near St Neots | £51 | £318 |
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 - £17,527

Two storey extension - £88,040

Build a timber frame extension - £26,027

Build a swimming pool - £81,027

Single storey extension - £55,533

Side return extension - £41,800

Install an RSJ - £2,227

Outbuilding - £10,027

Build a Mansard loft conversion - £52,027

Loft conversion - £34,000

Build a kitchen extension - £42,027

Hip to gable loft conversion - £42,027

Granny annexe - £87,027

Garden office - £10,027

Convert a Garage - £16,027

Garage - £18,527

Build a flat roof extension - £22,027

Build a dormer loft conversion - £42,027

Concrete foundations - £6,277

Convert a bungalow loft - £29,027

Convert a basement - £37,800