James Davis
J D Plant Groundwork is a well established construction company providing value-added engineering, construction and service skills to customers for...
Daniel Greathead
lydney, GL14
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...
From £87,796
Need an Extension Builder in Lydney? Milliner Construction has been helping local clients (20 mile radius) with their extension buildering jobs for...
From £87,544
Reliable and experienced extension builders with competitive rates and good at keeping within budget. Happy to provide examples of extension builde...

Costs range from £87,544 (J R BUILDING LTD based in GL2) to £88,744 (JD PLANT GRDWRK SPECIALIST LTD based in GL14), 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 Quedgeley | £31 | £247 |
| Two Storey Extension near Bradley Stoke | £34 | £259 |
| Two Storey Extension near Stroud | £33 | £249 |
| Two Storey Extension near Yate | £34 | £263 |
| Two Storey Extension near South Gloucestershire | £34 | £260 |
| Two Storey Extension near Gloucester | £30 | £235 |
| Two Storey Extension near Kingswood | £34 | £257 |
| Two Storey Extension near Clifton | £33 | £255 |
| Two Storey Extension near Bristol | £33 | £255 |
| Two Storey Extension near Portishead | £33 | £247 |
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 - £17,460

Two storey extension - £87,940

Build a timber frame extension - £25,960

Build a swimming pool - £80,960

Single storey extension - £54,200

Side return extension - £41,050

Install an RSJ - £2,160

Outbuilding - £9,960

Build a Mansard loft conversion - £51,960

Loft conversion - £33,375

Build a kitchen extension - £41,960

Hip to gable loft conversion - £41,960

Granny annexe - £86,960

Garden office - £9,960

Convert a Garage - £15,960

Garage - £18,460

Build a flat roof extension - £21,960

Build a dormer loft conversion - £41,960

Concrete foundations - £6,210

Convert a bungalow loft - £28,960

Convert a basement - £37,050