Graham Fuller
Your Local builders in Peterborough
GMF Builders is owned and managed by Graham Fuller who has approximately 23 years experience in the ...
M Moore
Trusted and professional extension builder in PE4. Experienced in all extension buildering work and keeping within budget and on quote. Moores Roof...
Danny Price
Welcome to Price & Sons! We are a building company based in Peterborough. If you are interested in a quote please get in touch with us!
DAR CONSTRUCTION are here to help customers who need an Extension Builder in PE4. 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 ...
A "widespread respect and admiration" is how the dictionary describes the word "prestige" and we know that our customers perceive, not just the kit...
From £2,168
Nick Augur
Experienced extension builder ready to quote for your work. Archway Construction (UK) Limited is the best extension builder in PE4. No obligation f...
From £1,976
GVT is an established extension buildering business in PE4. We come highly recommended and provide competitive quotes for your work.

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in PE4 it ranges from £1,976 (GVT based in PE1) to £2,608 (Prestige Kitchen & Bathrooms Ltd 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 PE4 by posting a job with HaMuch and we will send it to extension builders in PE4.
"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 Spalding | £32 | £238 |
| Install An RSJ near Huntingdonshire | £36 | £290 |
| Install An RSJ near Wisbech | £34 | £255 |
| Install An RSJ near Corby | £30 | £214 |
| Install An RSJ near Huntingdon | £38 | £284 |
| Install An RSJ near Kettering | £34 | £237 |
| Install An RSJ near St Neots | £51 | £318 |
| Install An RSJ near Grantham | £38 | £228 |
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 - £17,598

Two storey extension - £88,147

Build a timber frame extension - £26,098

Build a swimming pool - £81,098

Single storey extension - £56,960

Side return extension - £42,603

Install an RSJ - £2,298

Outbuilding - £10,098

Build a Mansard loft conversion - £52,098

Loft conversion - £34,669

Build a kitchen extension - £42,098

Hip to gable loft conversion - £42,098

Granny annexe - £87,098

Garden office - £10,098

Convert a Garage - £16,098

Garage - £18,598

Build a flat roof extension - £22,098

Build a dormer loft conversion - £42,098

Concrete foundations - £6,348

Convert a bungalow loft - £29,098

Convert a basement - £38,603