From £2,320
Advance Shutters Ltd is an established and experienced local extension builder in New Milton. Please contact us for a free, no obligation quote and...
From £2,144
GOTHIC CONSTRUCTION LTD is an established and experienced local extension builder in New Milton. Please contact us for a free, no obligation...
From £2,352
Relax... you have found a reliable extension builder in New Milton. 3Lance Developments Limited is a friendly and reliable company based in New Mil...
From £2,272
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £2,232
Need an Extension Builder in New Milton? NIXOR Design and Build has been helping local clients (20 mile radius) with their extension buildering job...
From £2,144
Experienced extension builder ready to quote for your work. H H Builders is the best extension builder in New Milton. No obligation free quotes and...
From £2,080
LIMITLESS is a dynamic UK based Construction Consultancy based in Hampshire. We provide clients with a wide range of services across multiple secto...
From £2,040
Relax... you have found a reliable extension builder in New Milton. First Alpha Home Improvements Ltd is a friendly and reliable company based in N...
From £2,424
Elmer Building Services ltd is an established extension buildering business in New Milton. We come highly recommended and provide competitive quote...

How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in New Milton it ranges from £2,040 (First Alpha Home Improvements Ltd based in BH23) to £2,704 (Zeneli Builders based in BH23).
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 New Milton by posting a job with HaMuch and we will send it to extension builders in New Milton.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Christchurch | £36 | £251 |
| Install An RSJ near New Forest | £32 | £245 |
| Install An RSJ near Bournemouth | £38 | £257 |
| Install An RSJ near Totton | £34 | £243 |
| Install An RSJ near Poole | £38 | £250 |
| Install An RSJ near Southampton | £34 | £243 |
| Install An RSJ near Isle of Wight | £34 | £246 |
| Install An RSJ near Locks Heath | £33 | £240 |
| Install An RSJ near Romsey | £32 | £230 |
| Install An RSJ near Hedge End | £34 | £244 |
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 - £17,571

Two storey extension - £88,107

Build a timber frame extension - £26,071

Build a swimming pool - £81,071

Single storey extension - £56,424

Side return extension - £42,301

Install an RSJ - £2,271

Outbuilding - £10,071

Build a Mansard loft conversion - £52,071

Loft conversion - £34,418

Build a kitchen extension - £42,071

Hip to gable loft conversion - £42,071

Granny annexe - £87,071

Garden office - £10,071

Convert a Garage - £16,071

Garage - £18,571

Build a flat roof extension - £22,071

Build a dormer loft conversion - £42,071

Concrete foundations - £6,321

Convert a bungalow loft - £29,071

Convert a basement - £38,301