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Harvie Construction is an established and experienced local extension builder in WF9. Please contact us for a free, no obligation quote and competi...
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 £87,796 (Harvie Construction based in S72) to £88,048 (C&S BUILDERS based in WF7), 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 Barnsley | £31 | £242 |
| Two Storey Extension near Normanton | £30 | £233 |
| Two Storey Extension near Castleford | £30 | £225 |
| Two Storey Extension near Wakefield | £31 | £240 |
| Two Storey Extension near Doncaster | £29 | £238 |
| Two Storey Extension near Rothwell | £30 | £230 |
| Two Storey Extension near Ossett | £33 | £245 |
| Two Storey Extension near Rotherham | £32 | £257 |
| Two Storey Extension near Wickersley | £32 | £258 |
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 - £17,448

Two storey extension - £87,922

Build a timber frame extension - £25,948

Build a swimming pool - £80,948

Single storey extension - £53,960

Side return extension - £40,915

Install an RSJ - £2,148

Outbuilding - £9,948

Build a Mansard loft conversion - £51,948

Loft conversion - £33,263

Build a kitchen extension - £41,948

Hip to gable loft conversion - £41,948

Granny annexe - £86,948

Garden office - £9,948

Convert a Garage - £15,948

Garage - £18,448

Build a flat roof extension - £21,948

Build a dormer loft conversion - £41,948

Concrete foundations - £6,198

Convert a bungalow loft - £28,948

Convert a basement - £36,915