Need an Extension Builder in Rochester? SD Build has been helping local clients (10 mile radius) with their extension buildering jobs for many year...
Please call to discuss your building needs.
"Excellent painting skills." - MAIDSTONE,reviewed 27/03/19, TONY
We are a family run business with over 30 years experience in the roofing industry. We pride ourselves on our high standards of workmanship and cus...
Mayfair developers have been in the construction industry for over a decade. Our passion is to transform old spaces into new usable homes for our c...
Rochester, ME3
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...
M K Builders Medway Ltd is an established extension buildering business in Rochester. We come highly recommended and provide competitive quotes for...
AF Renovations LTD is an established and experienced local extension builder in Rochester. Please contact us for a free, no obligation quote and co...
Rochester, ME3
STABILIS BUILDING SERVICES LTD is a trusted extension builder serving customers in Rochester and the surrounding area. Contact us to today to get a...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Rochester it ranges from £1,568 (Rafs based in ME15) to £2,624 (Des Durant General Building based in ME5).
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 Rochester by posting a job with HaMuch and we will send it to extension builders in Rochester.
"RSJ installation, 203/203/46 beam length 5150mm, also digging concrete pad 900x900x 600 deep for site support post. For more information please get in touch." - RAINHAM, job posted 01/01/70
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Rochester | £39 | £254 |
| Install An RSJ near Chatham | £39 | £254 |
| Install An RSJ near Gillingham | £39 | £253 |
| Install An RSJ near Larkfield | £41 | £253 |
| Install An RSJ near Gravesend | £40 | £260 |
| Install An RSJ near Maidstone | £40 | £255 |
| Install An RSJ near Northfleet | £41 | £261 |
| Install An RSJ near Grays | £41 | £261 |
| Install An RSJ near Sittingbourne | £35 | £246 |
| Install An RSJ near Thurrock | £41 | £260 |
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 - £17,592

Two storey extension - £88,138

Build a timber frame extension - £26,092

Build a swimming pool - £81,092

Single storey extension - £56,840

Side return extension - £42,535

Install an RSJ - £2,292

Outbuilding - £10,092

Build a Mansard loft conversion - £52,092

Loft conversion - £34,613

Build a kitchen extension - £42,092

Hip to gable loft conversion - £42,092

Granny annexe - £87,092

Garden office - £10,092

Convert a Garage - £16,092

Garage - £18,592

Build a flat roof extension - £22,092

Build a dormer loft conversion - £42,092

Concrete foundations - £6,342

Convert a bungalow loft - £29,092

Convert a basement - £38,535