From £2,128
GDS Building & Maintenance Ltd is an established and experienced local extension builder in Totton. Please contact us for a free, no obligation quo...
From £2,312
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,056
Totton, SO40
Trowel On is an established extension buildering business in Totton. We come highly recommended and provide competitive quotes for your work.
From £2,128
Relax... you have found a reliable extension builder in Totton. 1st Oak Building Preservation & Maintenance is a friendly and reliable company base...
From £2,104
Our building services company KT Carpentry & Building Services has been helping customers in Southampton, Winchester, Brockenhurst and Portsmouth b...
From £2,344
Bailey Construction Services are here to help customers who need an Extension Builder in Totton. We offer a competitive rate to complete all your e...
From £2,280
Experienced extension builder ready to quote for your work. Shay building LTD is the best extension builder in Totton. No obligation free quotes an...
From £2,128
Loki Projects & Development specialises in design, construction & project management.
From £2,120
Need to find an Extension Builder near you for all your extension buildering work?
DSH Roofing provides a local, trusted extension builderi...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Totton it ranges from £2,056 (Trowel On based in SO40) to £2,344 (Bailey Construction Services based in SO15).
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 Totton by posting a job with HaMuch and we will send it to extension builders in Totton.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Totton | £34 | £243 |
| Install An RSJ near Southampton | £34 | £243 |
| Install An RSJ near Romsey | £32 | £230 |
| Install An RSJ near New Forest | £32 | £245 |
| Install An RSJ near Eastleigh | £34 | £244 |
| Install An RSJ near Chandler's Ford | £34 | £245 |
| Install An RSJ near Hedge End | £34 | £244 |
| Install An RSJ near Locks Heath | £33 | £240 |
| Install An RSJ near Winchester | £37 | £266 |
| Install An RSJ near Fareham | £35 | £250 |
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 - £17,482

Two storey extension - £87,972

Build a timber frame extension - £25,982

Build a swimming pool - £80,982

Single storey extension - £54,632

Side return extension - £41,293

Install an RSJ - £2,182

Outbuilding - £9,982

Build a Mansard loft conversion - £51,982

Loft conversion - £33,578

Build a kitchen extension - £41,982

Hip to gable loft conversion - £41,982

Granny annexe - £86,982

Garden office - £9,982

Convert a Garage - £15,982

Garage - £18,482

Build a flat roof extension - £21,982

Build a dormer loft conversion - £41,982

Concrete foundations - £6,232

Convert a bungalow loft - £28,982

Convert a basement - £37,293