From £2,320
Experienced extension builder ready to quote for your work. One Sterling Carpentry & Building Services is the best extension builder in Rayleigh. N...
From £2,424
Welcome to Viking Carpentry, founded by Luke Tivey. Viking Carpentry is a family run business based in Rayleigh Essex with over 50 years experience...
From £2,296
Maple Construction Specialises in Loft and Garage Conversions, Extensions and Orangeries. My team of tradesmen have been working together for nearl...
From £2,080
Experienced extension builder ready to quote for your work. VNV LTD is the best extension builder in Rayleigh. No obligation free quotes and many h...
From £2,080
DSL Brickwork Ltd is a trusted, professional company with a great reputation to uphold.We are based in Rayleigh (Essex), serving Rayleigh, ...
From £3,224
Our services include.
Bathroom design and installation.
Wood flooring.
Plastering and rendering.
Painting a...
From £2,312
Experienced extension builder ready to quote for your work. WDC LTD T/A is the best extension builder in Rayleigh. No obligation free quotes and ma...
From £3,528
Trusted and professional extension builder in Rayleigh. Experienced in all extension buildering work and keeping within budget and on quote. City b...
From £2,416
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,536
Relax... you have found a reliable extension builder in Rayleigh. TGC Roofing is a friendly and reliable company based in Rayleigh who consider no ...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Rayleigh it ranges from £2,080 (VNV LTD based in ss6) to £3,528 (City build.com based in Ss5).
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 Rayleigh by posting a job with HaMuch and we will send it to extension builders in Rayleigh.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Rayleigh | £39 | £252 |
| Install An RSJ near Thundersley | £38 | £251 |
| Install An RSJ near Wickford | £39 | £255 |
| Install An RSJ near Canvey Island | £39 | £256 |
| Install An RSJ near Southend-on-Sea | £37 | £247 |
| Install An RSJ near Basildon | £39 | £251 |
| Install An RSJ near Billericay | £38 | £248 |
| Install An RSJ near Stanford-le-Hope | £40 | £254 |
| Install An RSJ near Maldon | £36 | £244 |
| Install An RSJ near Brentwood | £39 | £256 |
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 - £17,822

Two storey extension - £88,482

Build a timber frame extension - £26,322

Build a swimming pool - £81,322

Single storey extension - £61,432

Side return extension - £45,118

Install an RSJ - £2,522

Outbuilding - £10,322

Build a Mansard loft conversion - £52,322

Loft conversion - £36,765

Build a kitchen extension - £42,322

Hip to gable loft conversion - £42,322

Granny annexe - £87,322

Garden office - £10,322

Convert a Garage - £16,322

Garage - £18,822

Build a flat roof extension - £22,322

Build a dormer loft conversion - £42,322

Concrete foundations - £6,572

Convert a bungalow loft - £29,322

Convert a basement - £41,118