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Select your affordable SS8 extension builder
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Experienced extension builder ready to quote for your work. HIGHLAND CONSTRUCTION is the best extension builder in SS8. No obligation free quotes a...
Rubik Homes Ltd is an established extension buildering business in SS8. We come highly recommended and provide competitive quotes for your work.
STEVE HUGGINS BUILDING CONTRAC is an established extension buildering business in SS8. We come highly recommended and provide competitive quotes fo...
CEDAR CONSTRUCTION (UK) LTD is an established and experienced local extension builder in SS8. Please contact us for a free, no obligation quote and...
From £2,024
Trusted and professional extension builder in SS8. Experienced in all extension buildering work and keeping within budget and on quote. Sylo Constr...
From £2,408
Need to find an Extension Builder near you for all your extension buildering work?
J A G Construction Southeast Ltd provides a local, trust...
From £2,032
Need to find an Extension Builder near you for all your extension buildering work?
JBZ BUILDING provides a local, trusted extension builder...
From £2,400
Need an Extension Builder in SS8? Top Rooms Loft has been helping local clients (20 mile radius) with their extension buildering jobs for many year...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in SS8 it ranges from £2,024 (Sylo Construction Limited based in SS8) to £2,416 (Fox Conversions Limited based in SS7).
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 SS8 by posting a job with HaMuch and we will send it to extension builders in SS8.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Canvey Island | £39 | £256 |
| Install An RSJ near Thundersley | £38 | £251 |
| Install An RSJ near Rayleigh | £39 | £252 |
| Install An RSJ near Southend-on-Sea | £37 | £247 |
| Install An RSJ near Basildon | £39 | £251 |
| Install An RSJ near Stanford-le-Hope | £40 | £254 |
| Install An RSJ near Wickford | £39 | £255 |
| Install An RSJ near Billericay | £38 | £248 |
| Install An RSJ near Gillingham | £39 | £253 |
| Install An RSJ near Chatham | £39 | £254 |
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 - £17,527

Two storey extension - £88,041

Build a timber frame extension - £26,027

Build a swimming pool - £81,027

Single storey extension - £55,544

Side return extension - £41,806

Install an RSJ - £2,227

Outbuilding - £10,027

Build a Mansard loft conversion - £52,027

Loft conversion - £34,005

Build a kitchen extension - £42,027

Hip to gable loft conversion - £42,027

Granny annexe - £87,027

Garden office - £10,027

Convert a Garage - £16,027

Garage - £18,527

Build a flat roof extension - £22,027

Build a dormer loft conversion - £42,027

Concrete foundations - £6,277

Convert a bungalow loft - £29,027

Convert a basement - £37,806