From £2,104
KESTEAD CONSTRUCTION LTD is an established and experienced local extension builder in Stamford. Please contact us for a free, no obligation quote a...
From £2,096
Experienced extension builder ready to quote for your work. Park home developments is the best extension builder in Stamford. No obligation free qu...
From £1,800
Need to find an Extension Builder near you for all your extension buildering work?
QKS Limited provides a local, trusted extension builderi...
From £2,544
LMS Construction are a reputable company of builders, established over 15 years ago. Since then, we have been helping customers throughout the Camb...
From £2,016
Wightman Build Ltd is an established and experienced local extension builder in Stamford. Please contact us for a free, no obligation quote and com...
From £2,080
sunnyday foster home is an established and experienced local extension builder in Stamford. Please contact us for a free, no obligation quote and c...
From £2,120
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Stamford it ranges from £1,800 (QKS Limited based in PE9) to £2,544 (LMS Construction based in PE8).
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 Stamford by posting a job with HaMuch and we will send it to extension builders in Stamford.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Stamford | £35 | £248 |
| Install An RSJ near Peterborough | £40 | £281 |
| Install An RSJ near Corby | £30 | £214 |
| Install An RSJ near Spalding | £32 | £238 |
| Install An RSJ near Melton Mowbray | £31 | £222 |
| Install An RSJ near Grantham | £38 | £228 |
| Install An RSJ near Kettering | £34 | £237 |
| Install An RSJ near Huntingdonshire | £36 | £290 |
| Install An RSJ near Market Harborough | £31 | £217 |
| Install An RSJ near Hamilton | £29 | £213 |
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 - £17,420

Two storey extension - £87,880

Build a timber frame extension - £25,920

Build a swimming pool - £80,920

Single storey extension - £53,400

Side return extension - £40,600

Install an RSJ - £2,120

Outbuilding - £9,920

Build a Mansard loft conversion - £51,920

Loft conversion - £33,000

Build a kitchen extension - £41,920

Hip to gable loft conversion - £41,920

Granny annexe - £86,920

Garden office - £9,920

Convert a Garage - £15,920

Garage - £18,420

Build a flat roof extension - £21,920

Build a dormer loft conversion - £41,920

Concrete foundations - £6,170

Convert a bungalow loft - £28,920

Convert a basement - £36,600