From £2,504
Spilsby, PE23
P MARSH BUILDING CONTRACTOR is an established and experienced local extension builder in Spilsby. Please contact us for a free, no obligation quote...
From £1,728
Spilsby, PE23
Trusted and professional extension builder in Spilsby. Experienced in all extension buildering work and keeping within budget and on quote. PAUL JA...
From £1,784
Trusted and professional extension builder in Spilsby. Experienced in all extension buildering work and keeping within budget and on quote. A J REE...
From £1,776
R L Hinman Builder is an established and experienced local extension builder in Spilsby. Please contact us for a free, no obligation quote and comp...
From £2,680
Need an Extension Builder in Spilsby? D H S Dima Home Improvement Services has been helping local clients (20 mile radius) with their extension bui...
From £2,128
Relax... you have found a reliable extension builder in Spilsby. JOHN WILKINSON BUILDER LTD is a friendly and reliable company based in Spilsby who...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Spilsby it ranges from £1,728 (PAUL JACKSON BUILDING CONTRS based in PE23) to £2,680 (D H S Dima Home Improvement Services based in PE21).
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 Spilsby by posting a job with HaMuch and we will send it to extension builders in Spilsby.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near East Lindsey | £27 | £198 |
| Install An RSJ near Boston | £28 | £262 |
| Install An RSJ near Cleethorpes | £32 | £246 |
| Install An RSJ near North East Lincolnshire | £32 | £246 |
| Install An RSJ near Grimsby | £32 | £246 |
| Install An RSJ near Spalding | £32 | £238 |
| Install An RSJ near Lincoln | £31 | £232 |
| Install An RSJ near Kings Lynn & West Norfolk | £31 | £238 |
| Install An RSJ near King's Lynn | £33 | £254 |
| Install An RSJ near North Lincolnshire | £28 | £216 |
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 - £17,349

Two storey extension - £87,774

Build a timber frame extension - £25,849

Build a swimming pool - £80,849

Single storey extension - £51,983

Side return extension - £39,803

Install an RSJ - £2,049

Outbuilding - £9,849

Build a Mansard loft conversion - £51,849

Loft conversion - £32,336

Build a kitchen extension - £41,849

Hip to gable loft conversion - £41,849

Granny annexe - £86,849

Garden office - £9,849

Convert a Garage - £15,849

Garage - £18,349

Build a flat roof extension - £21,849

Build a dormer loft conversion - £41,849

Concrete foundations - £6,099

Convert a bungalow loft - £28,849

Convert a basement - £35,803