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M C BUILDER (YORKSHIRE) LTD is an established extension buildering business in Knottingley. We come highly recommended and provide competitive quot...
NSB is a trusted extension builder serving customers in Knottingley and the surrounding area. Contact us to today to get a competitive quote for ex...
From £87,556
ANDY HARDEMAN
Knottingley, WF11
Need to find an Extension Builder near you for all your extension buildering work?
Ashdaleconstruction provides a local, trusted extension ...
From £87,664
Graham Kirkaldy
I've been in the trade over 25 years working on commercial and domestic high end properties
From £87,592
Need an Extension Builder in Knottingley? The Poured Project Ltd has been helping local clients (20 mile radius) with their extension buildering jo...
From £87,880
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £88,132
The Yorkshire Lime Company Ltd is an established and experienced local extension builder in Knottingley. Please contact us for a free, no obligatio...
From £87,544
D Noble Limited Building And Civil Engineering Contracts is an established extension buildering business in Knottingley. We come highly recommended...
From £87,376
Experienced extension builder ready to quote for your work. Noble Homes is the best extension builder in Knottingley. No obligation free quotes and...
From £88,048
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Costs range from £87,376 (Noble Homes based in WF10) to £88,132 (The Yorkshire Lime Company Ltd based in WF10), but these are just estimates. The best way to compare costs is to get real quotes from real builders.
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| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Two Storey Extension near Pontefract | £30 | £228 |
| Two Storey Extension near Castleford | £30 | £225 |
| Two Storey Extension near Normanton | £30 | £233 |
| Two Storey Extension near Rothwell | £30 | £230 |
| Two Storey Extension near Selby | £30 | £240 |
| Two Storey Extension near Wakefield | £31 | £240 |
| Two Storey Extension near Beeston | £31 | £236 |
| Two Storey Extension near Goole | £26 | £217 |
| Two Storey Extension near Ossett | £33 | £245 |
| Two Storey Extension near Chapeltown | £30 | £232 |
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 - £17,332

Two storey extension - £87,748

Build a timber frame extension - £25,832

Build a swimming pool - £80,832

Single storey extension - £51,640

Side return extension - £39,610

Install an RSJ - £2,032

Outbuilding - £9,832

Build a Mansard loft conversion - £51,832

Loft conversion - £32,175

Build a kitchen extension - £41,832

Hip to gable loft conversion - £41,832

Granny annexe - £86,832

Garden office - £9,832

Convert a Garage - £15,832

Garage - £18,332

Build a flat roof extension - £21,832

Build a dormer loft conversion - £41,832

Concrete foundations - £6,082

Convert a bungalow loft - £28,832

Convert a basement - £35,610