Extension builder estimates (based on hourly rates) to build a single storey extension in PA20
Range from the cheapest single storey extension £35600 (CR Joiners based in G82) to the dearest single storey extension £67600 (D Howatson Building & Landscaping Services based in KA30).
Comparing extension builders estimates for fitting a downstairs toilet gives you an idea of who will be better value but the best way to compare costs is to get actual quotes.
What to do - Get rates and quotes to build a single storey extension in PA20 by posting a job with HaMuch and we will send it to extension builders in PA20.
Estimates for common extension builder jobs in PA20;
| Job | Estimate |
| Underpinning a house | £17430 |
| Build a two storey extension | £87895 |
| Build a timber frame extension | £25930 |
| Install a swimming pool | £80930 |
| Cost to build a single storey extension | £48606 |
| Cost to build a side return extension | £36716 |
| Install an RSJ | £2130 |
| Build an outbuilding | £9930 |
| Build a mansard loft conversion | £51930 |
| Cost of a loft conversion | £33096 |
| Build a kitchen extension | £41930 |
| Build a hip to gable loft conversion | £41930 |
| Build a granny annexe | £86930 |
| Build a garden office | £9930 |
| Convert a garage | £15930 |
| Build a new garage | £18430 |
| Build a flat roof extension | £21930 |
| Build a dormer loft conversion | £41930 |
| Lay a concrete foundation | £6180 |
| Convert a bungalow loft | £28930 |
| Basement conversion cost | £36716 |
Rates for other PA20 trades
Extension Builders in PA20
| Business name | Single storey extension cost |
|---|---|
| D Howatson Building & Landscaping Services, Largs, KA30 | £67600 |
| MARTIN POWER BUILDERS, , PA16 | £50800 |
| Price It Cost Consultants Ltd, Inverclyde, PA16 | £51760 |
| GH BUILDING SERVICES LTD, , PA14 | £48400 |
| Adrian K Wilson Roofing Specialist, Dalry, KA24 | £47280 |
| BJM, Dalry, KA24 | £38800 |
| CR Joiners, Cardross, G82 | £35600 |