From £1,856
Experienced extension builder ready to quote for your work. Wade construction ltd is the best extension builder in LN4. No obligation free quotes a...
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 £1,464
KIPS BUILDERS is a trusted extension builder serving customers in LN4 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 LN4. We come highly recommended and provide competitive quotes for your...
From £3,080
Plastering DRYLINING Through colour Render systems Floor insulation Floor screed Suspended ceilings...
From £2,064
Need to find an Extension Builder near you for all your extension buildering work?
[email protected] provides a local, trusted extension bu...
From £1,832
Our building services company LN Property Developments Ltd has 30 years of experience in the industry. We help customers in Lincolnshire by providi...
From £1,872
Ibcon ltd is an established and experienced local extension builder in LN4. Please contact us for a free, no obligation quote and competitive rates...
From £1,720
MOOR FARM BUILDING CO LIMITED is an established extension buildering business in LN4. We come highly recommended and provide competitive quotes for...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in LN4 it ranges from £1,464 (KIPS BUILDERS based in NG34) to £3,080 (J P Wharton Ltd based in LN5).
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 LN4 by posting a job with HaMuch and we will send it to extension builders in LN4.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Lincoln | £31 | £232 |
| Install An RSJ near Newark-on-Trent | £33 | £241 |
| Install An RSJ near Boston | £28 | £262 |
| Install An RSJ near Grantham | £38 | £228 |
| Install An RSJ near East Lindsey | £27 | £198 |
| Install An RSJ near Gainsborough | £30 | £234 |
| Install An RSJ near Retford | £31 | £243 |
| Install An RSJ near Spalding | £32 | £238 |
| Install An RSJ near Bassetlaw | £31 | £243 |
| Install An RSJ near Gedling | £33 | £242 |
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 - £17,218

Two storey extension - £87,578

Build a timber frame extension - £25,718

Build a swimming pool - £80,718

Single storey extension - £49,368

Side return extension - £38,332

Install an RSJ - £1,918

Outbuilding - £9,718

Build a Mansard loft conversion - £51,718

Loft conversion - £31,110

Build a kitchen extension - £41,718

Hip to gable loft conversion - £41,718

Granny annexe - £86,718

Garden office - £9,718

Convert a Garage - £15,718

Garage - £18,218

Build a flat roof extension - £21,718

Build a dormer loft conversion - £41,718

Concrete foundations - £5,968

Convert a bungalow loft - £28,718

Convert a basement - £34,332