From £2,232
Trusted and professional extension builder in Horton Kirby. Experienced in all extension buildering work and keeping within budget and on quote. Re...
From £2,616
Since 2010, we have provided clients with a wide range of specialist services. Reeve Renovations offers a bespoke service for all your residential ...
From £2,024
callisto construction is an established extension buildering business in Horton Kirby. We come highly recommended and provide competitive quotes fo...
From £2,616
Relax... you have found a reliable extension builder in Horton Kirby. Radiant Homes is a friendly and reliable company based in Horton Kirby who co...
From £2,096
Need an Extension Builder in Horton Kirby? Make Construction Limited has been helping local clients (10 mile radius) with their extension builderin...
From £2,264
Hyde Building Ltd are here to help customers who need an Extension Builder in Horton Kirby. We offer a competitive rate to complete all your extens...
From £2,080
GM BUILDING SERVICES are here to help customers who need an Extension Builder in Horton Kirby. We offer a competitive rate to complete all your ext...
From £2,488
M&R BUILDING & LANDCAPING LTD is a trusted extension builder serving customers in Horton Kirby and the surrounding area. Contact us to today to get...
From £2,368
LEE BUILDERS are here to help customers who need an Extension Builder in Horton Kirby. We offer a competitive rate to complete all your extension b...
From £2,320
ForsBuild Construction Ltd is a trusted extension builder serving customers in Horton Kirby 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 Horton Kirby it ranges from £2,024 (Callisto construction based in DA4) to £2,616 (Reeve Renovations based in BR8).
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 Horton Kirby by posting a job with HaMuch and we will send it to extension builders in Horton Kirby.
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Dartford | £51 | £273 |
| Install An RSJ near Bexley | £42 | £265 |
| Install An RSJ near Northfleet | £41 | £261 |
| Install An RSJ near Gravesend | £40 | £260 |
| Install An RSJ near Grays | £41 | £261 |
| Install An RSJ near South Ockendon | £58 | £276 |
| Install An RSJ near Chafford Hundred | £41 | £261 |
| Install An RSJ near Sevenoaks | £38 | £234 |
| Install An RSJ near Thurrock | £41 | £260 |
| Install An RSJ near Bromley | £42 | £265 |
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 - £17,610

Two storey extension - £88,166

Build a timber frame extension - £26,110

Build a swimming pool - £81,110

Single storey extension - £57,208

Side return extension - £42,742

Install an RSJ - £2,310

Outbuilding - £10,110

Build a Mansard loft conversion - £52,110

Loft conversion - £34,785

Build a kitchen extension - £42,110

Hip to gable loft conversion - £42,110

Granny annexe - £87,110

Garden office - £10,110

Convert a Garage - £16,110

Garage - £18,610

Build a flat roof extension - £22,110

Build a dormer loft conversion - £42,110

Concrete foundations - £6,360

Convert a bungalow loft - £29,110

Convert a basement - £38,742