From £1,728
Trusted and professional extension builder in LN9. Experienced in all extension buildering work and keeping within budget and on quote. PAUL JACKSO...
From £2,504
P MARSH BUILDING CONTRACTOR is an established and experienced local extension builder in LN9. Please contact us for a free, no obligation quote and...
From £1,776
R L Hinman Builder is an established and experienced local extension builder in LN9. Please contact us for a free, no obligation quote and competit...
From £1,784
Trusted and professional extension builder in LN9. Experienced in all extension buildering work and keeping within budget and on quote. A J REESON ...
From £1,720
We care about your home construction project needs as much as you do. We believe in conducting business with honesty, integrity and the highest lev...
From £1,856
Experienced extension builder ready to quote for your work. Wade construction ltd is the best extension builder in LN9. No obligation free quotes a...
From £2,680
Need an Extension Builder in LN9? D H S Dima Home Improvement Services has been helping local clients (20 mile radius) with their extension builder...
From £1,464
KIPS BUILDERS is a trusted extension builder serving customers in LN9 and the surrounding area. Contact us to today to get a competitive quote for ...
From £1,832
Your MRH Development Ltd is an established extension buildering business in LN9. We come highly recommended and provide competitive quotes for your...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in LN9 it ranges from £1,464 (KIPS BUILDERS based in NG34) 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 LN9 by posting a job with HaMuch and we will send it to extension builders in LN9.
| 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 Lincoln | £31 | £232 |
| 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 Gainsborough | £30 | £234 |
| Install An RSJ near Newark-on-Trent | £33 | £241 |
| 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 - £17,209

Two storey extension - £87,563

Build a timber frame extension - £25,709

Build a swimming pool - £80,709

Single storey extension - £49,176

Side return extension - £38,224

Install an RSJ - £1,909

Outbuilding - £9,709

Build a Mansard loft conversion - £51,709

Loft conversion - £31,020

Build a kitchen extension - £41,709

Hip to gable loft conversion - £41,709

Granny annexe - £86,709

Garden office - £9,709

Convert a Garage - £15,709

Garage - £18,209

Build a flat roof extension - £21,709

Build a dormer loft conversion - £41,709

Concrete foundations - £5,959

Convert a bungalow loft - £28,709

Convert a basement - £34,224