From £2,104
Clever Build & Design is an established business in Lyndhurst. We come highly recommended and provide competitive quotes for your work.
From £2,312
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of work in Lyndhur...
From £2,128
GDS Building & Maintenance Ltd is an established and experienced local extension builder in Lyndhurst. Please contact us for a free, no obligation ...
From £2,056
Trowel On is an established business in Lyndhurst. We come highly recommended and provide competitive quotes for your work.
From £1,488
All our work carries a life time guarantee , If we did it and you have a problem we want to know about it. Not the bloke in the pub or your next do...
From £2,264
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of work in Lyndhur...
From £2,128
Relax... you have found a reliable extension builder in Lyndhurst. 1st Oak Building Preservation & Maintenance is a friendly and reliable company b...
From £2,160
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of work in Lyndhur...
From £2,160
Experienced extension builder ready to quote for your work. LMR BUILDING SERVICES LIMITED is the best extension builder in Lyndhurst. No obligation...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Lyndhurst it ranges from £1,488 (James Golby Construction based in SO51) to £2,312 (Safespec Building Services Limited based in SO40).
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 Lyndhurst by posting a job with HaMuch and we will send it to extension builders in Lyndhurst.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near New Forest | £28 | £211 |
| Install An RSJ near Totton | £30 | £216 |
| Install An RSJ near Southampton | £30 | £215 |
| Install An RSJ near Romsey | £28 | £203 |
| Install An RSJ near Eastleigh | £30 | £215 |
| Install An RSJ near Chandler's Ford | £30 | £216 |
| Install An RSJ near Christchurch | £32 | £222 |
| Install An RSJ near Hedge End | £30 | £215 |
| Install An RSJ near Locks Heath | £30 | £213 |
| Install An RSJ near Salisbury | £30 | £211 |
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 - £17,402

Two storey extension - £87,852

Build a timber frame extension - £25,902

Build a swimming pool - £80,902

Single storey extension - £53,032

Side return extension - £40,393

Install an RSJ - £2,102

Outbuilding - £9,902

Build a Mansard loft conversion - £51,902

Loft conversion - £32,828

Build a kitchen extension - £41,902

Hip to gable loft conversion - £41,902

Granny annexe - £86,902

Garden office - £9,902

Convert a Garage - £15,902

Garage - £18,402

Build a flat roof extension - £21,902

Build a dormer loft conversion - £41,902

Concrete foundations - £6,152

Convert a bungalow loft - £28,902

Convert a basement - £36,393