Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Jatinder Kahlon
Hi, I’m Jatinder. I’m a qualified electrician and gas safe registered professional with 10 years of experience in the trade. We specialise in l...
Building Vision London Ltd is a trusted extension builder serving customers in West Molesey and the surrounding area. Contact us to today to get a ...
Need to find an Extension Builder near you for all your extension buildering work?
AJ Wells provides a local, trusted extension buildering ...
AG-Renovation Ltd is a trusted extension builder serving customers in West Molesey and the surrounding area. Contact us to today to get a competiti...
Varda
Need an Extension Builder in West Molesey? VA Structures has been helping local clients (10 mile radius) with their extension buildering jobs for m...
Hardeep Samra
MJ Builders (London) Ltd are here to help customers who need an Extension Builder in West Molesey. We offer a competitive rate to complete all your...
Trusted and professional extension builder in West Molesey. Experienced in all extension buildering work and keeping within budget and on quote. CS...
Albdeco Builders & Decorators Ltd is a trusted extension builder serving customers in West Molesey and the surrounding area. Contact us to today to...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in West Molesey it ranges from £2,312 (XUE BUILDERS based in KT3) to £2,704 (CSJ Building Services based in SM1).
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 West Molesey by posting a job with HaMuch and we will send it to extension builders in West Molesey.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near West Molesey | £43 | £279 |
| Install An RSJ near Richmond Upon Thames | £43 | £274 |
| Install An RSJ near Esher | £43 | £274 |
| Install An RSJ near Sunbury-on-Thames | £42 | £279 |
| Install An RSJ near Walton-on-Thames | £43 | £277 |
| Install An RSJ near Elmbridge | £43 | £277 |
| Install An RSJ near Kingston Upon Thames | £43 | £271 |
| Install An RSJ near Hounslow | £43 | £281 |
| Install An RSJ near Ewell | £43 | £274 |
| Install An RSJ near New Haw | £43 | £273 |
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 - £17,788

Two storey extension - £88,432

Build a timber frame extension - £26,288

Build a swimming pool - £81,288

Single storey extension - £60,760

Side return extension - £44,740

Install an RSJ - £2,488

Outbuilding - £10,288

Build a Mansard loft conversion - £52,288

Loft conversion - £36,450

Build a kitchen extension - £42,288

Hip to gable loft conversion - £42,288

Granny annexe - £87,288

Garden office - £10,288

Convert a Garage - £16,288

Garage - £18,788

Build a flat roof extension - £22,288

Build a dormer loft conversion - £42,288

Concrete foundations - £6,538

Convert a bungalow loft - £29,288

Convert a basement - £40,740