From £2,648
JP Building Limited are here to help customers who need an Extension Builder in St Neots. We offer a competitive rate to complete all your extensio...
From £2,344
A.S. OHM Electrics Ltd is a trusted extension builder serving customers in St Neots and the surrounding area. Contact us to today to get a competit...
From £2,456
ELITE BUILDING SERVICES LTD is an established extension buildering business in St Neots. We come highly recommended and provide competitive quotes ...
From £2,464
Relax... you have found a reliable extension builder in St Neots. Applewood Design and Build Ltd is a friendly and reliable company based in St Neo...
From £2,368
Relax... you have found a reliable extension builder in St Neots. Imogen Jack is a friendly and reliable company based in St Neots who consider no ...
From £2,336
Trusted and professional extension builder in St Neots. Experienced in all extension buildering work and keeping within budget and on quote. J. WAT...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in St Neots it ranges from £2,336 (J. WATSON BUILDERS based in SG19) to £2,648 (JP Building Limited based in PE19).
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 St Neots by posting a job with HaMuch and we will send it to extension builders in St Neots.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near St Neots | £51 | £318 |
| Install An RSJ near Huntingdon | £38 | £284 |
| Install An RSJ near Biggleswade | £41 | £268 |
| Install An RSJ near Huntingdonshire | £36 | £290 |
| Install An RSJ near South Bedfordshire | £45 | £278 |
| Install An RSJ near Bedford | £45 | £278 |
| Install An RSJ near Kempston | £44 | £273 |
| Install An RSJ near South Cambridgeshire | £43 | £305 |
| Install An RSJ near Rushden | £34 | £231 |
| Install An RSJ near Cambridge | £38 | £271 |
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 - £17,736

Two storey extension - £88,354

Build a timber frame extension - £26,236

Build a swimming pool - £81,236

Single storey extension - £59,720

Side return extension - £44,155

Install an RSJ - £2,436

Outbuilding - £10,236

Build a Mansard loft conversion - £52,236

Loft conversion - £35,963

Build a kitchen extension - £42,236

Hip to gable loft conversion - £42,236

Granny annexe - £87,236

Garden office - £10,236

Convert a Garage - £16,236

Garage - £18,736

Build a flat roof extension - £22,236

Build a dormer loft conversion - £42,236

Concrete foundations - £6,486

Convert a bungalow loft - £29,236

Convert a basement - £40,155