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Relax... you have found a reliable extension builder in Leatherhead. GDW Construction is a friendly and reliable company based in Leatherhead who c...
Need to find an Extension Builder near you for all your extension buildering work?
OAK HOUSE BESPOKE BUILDERS provides a local, trusted ext...
Russell Worcester
R & R Roofing Guildford are here to help customers who need an Extension Builder in Leatherhead. We offer a competitive rate to complete all your e...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Relax... you have found a reliable extension builder in Leatherhead. D & R Roofing & Loft Conversions, Building & Design is a friendly and reliable...
David Phelan
Please visit our web site. Www. Dapconstruction. Co . Uk to c all our work and client recommendations.
Need an Extension Builder in Leatherhead? FLUID CONSTRUCTION has been helping local clients (10 mile radius) with their extension buildering jobs f...
Hilton building contractors ltd is a trusted extension builder serving customers in Leatherhead and the surrounding area. Contact us to today to ge...
Mick Winn
All of our work is guaranteed and covered by public liability and third party insurance for £5 million, giving our customers absolute peace of min...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Leatherhead it ranges from £2,136 (D A P CONSTRUCTION based in KT4) to £3,000 (GDW Construction based in SM3).
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 Leatherhead by posting a job with HaMuch and we will send it to extension builders in Leatherhead.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Epsom | £44 | £275 |
| Install An RSJ near Ewell | £44 | £275 |
| Install An RSJ near Tadworth | £41 | £271 |
| Install An RSJ near Great Bookham | £42 | £281 |
| Install An RSJ near Reigate & Banstead | £41 | £271 |
| Install An RSJ near Esher | £43 | £274 |
| Install An RSJ near Elmbridge | £44 | £278 |
| Install An RSJ near Sutton | £43 | £274 |
| Install An RSJ near Walton-on-Thames | £43 | £277 |
| Install An RSJ near Reigate | £40 | £270 |
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 - £17,765

Two storey extension - £88,397

Build a timber frame extension - £26,265

Build a swimming pool - £81,265

Single storey extension - £60,296

Side return extension - £44,479

Install an RSJ - £2,465

Outbuilding - £10,265

Build a Mansard loft conversion - £52,265

Loft conversion - £36,233

Build a kitchen extension - £42,265

Hip to gable loft conversion - £42,265

Granny annexe - £87,265

Garden office - £10,265

Convert a Garage - £16,265

Garage - £18,765

Build a flat roof extension - £22,265

Build a dormer loft conversion - £42,265

Concrete foundations - £6,515

Convert a bungalow loft - £29,265

Convert a basement - £40,479