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Up and Out Builds Ltd
Relax... you have found a reliable extension builder in Knebworth. Up and Out Builds Ltd is a friendly and reliable company based in Knebworth who ...
A S G Developments - Herts LTD
Amarjeet Gill
Architecture and Construction all in one place.
FREE DRAWINGS for all projects we build.
Buyerz Trading
Buyerz Trading is an established and experienced local extension builder in Knebworth. Please contact us for a free, no obligation quote and compet...
R. Newman Construction
Are you looking for resin driveways in North London? We are a leading builder of driveways and patios in North London. We have expertise in various...
A1 Home Care Building Maintenance
A1 Home Care Building Maintenance are here to help customers who need an Extension Builder in Knebworth. We offer a competitive rate to complete al...
FULLERS BUILDING SERVICES
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
Amcell Renovations
Trusted and professional extension builder in Knebworth. Experienced in all extension buildering work and keeping within budget and on quote. Amcel...
MA Gower
Need an Extension Builder in Knebworth? MA Gower has been helping local clients (20 mile radius) with their extension buildering jobs for many year...
Red Swan Construction
In an unstable market house extensions are often the most viable option, helping you to get the most out of the space you have without the addition...
G B BUILDSTORE LTD
Gary Braine
Experienced extension builder ready to quote for your work. G B BUILDSTORE LTD is the best extension builder in Knebworth. No obligation free quote...
RSJ cost in Knebworth
How much RSJs cost for supply and installation varies depending on the size, type and load-bearing properties, but in Knebworth it ranges from £2,120 (MA Gower based in AL6) to £2,736 (R. Newman Construction based in AL4).
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 Knebworth by posting a job with HaMuch and we will send it to extension builders in Knebworth.
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| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Install An RSJ near Stevenage | £44 | £282 |
| Install An RSJ near Welwyn Garden City | £42 | £269 |
| Install An RSJ near Hertford | £46 | £290 |
| Install An RSJ near Hitchin | £43 | £283 |
| Install An RSJ near East Hertfordshire | £44 | £289 |
| Install An RSJ near North Hertfordshire | £44 | £283 |
| Install An RSJ near Hatfield | £42 | £266 |
| Install An RSJ near Ware | £47 | £296 |
| Install An RSJ near Harpenden | £45 | £282 |
| Install An RSJ near Letchworth | £44 | £283 |
Estimates for common extension builder jobs in Knebworth;
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 - £17,655
Two storey extension - £88,233
Build a timber frame extension - £26,155
Build a swimming pool - £81,155
Single storey extension - £58,104
Side return extension - £43,246
Install an RSJ - £2,355
Outbuilding - £10,155
Build a Mansard loft conversion - £52,155
Loft conversion - £35,205
Build a kitchen extension - £42,155
Hip to gable loft conversion - £42,155
Granny annexe - £87,155
Garden office - £10,155
Convert a Garage - £16,155
Garage - £18,655
Build a flat roof extension - £22,155
Build a dormer loft conversion - £42,155
Concrete foundations - £6,405
Convert a bungalow loft - £29,155
Convert a basement - £39,246