Extension builder estimates (based on hourly rates) to build a single storey extension in SY16
Range from the cheapest single storey extension £35600 (SDW CONSTRUCTION LTD based in SY15) to the dearest single storey extension £39280 (Cherry Build Limited based in LD1).
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 SY16 by posting a job with HaMuch and we will send it to extension builders in SY16.
Estimates for common extension builder jobs in SY16;
| Job | Estimate |
| Underpinning a house | £16846 |
| Build a two storey extension | £87019 |
| Build a timber frame extension | £25346 |
| Install a swimming pool | £80346 |
| Cost to build a single storey extension | £36920 |
| Cost to build a side return extension | £30143 |
| Install an RSJ | £1546 |
| Build an outbuilding | £9346 |
| Build a mansard loft conversion | £51346 |
| Cost of a loft conversion | £27619 |
| Build a kitchen extension | £41346 |
| Build a hip to gable loft conversion | £41346 |
| Build a granny annexe | £86346 |
| Build a garden office | £9346 |
| Convert a garage | £15346 |
| Build a new garage | £17846 |
| Build a flat roof extension | £21346 |
| Build a dormer loft conversion | £41346 |
| Lay a concrete foundation | £5596 |
| Convert a bungalow loft | £28346 |
| Basement conversion cost | £30143 |
Rates for other SY16 trades
Extension Builders in SY16
| Business name | Single storey extension cost |
|---|---|
| EVABUILD LIMITED, , SY16 | £37200 |
| SDW CONSTRUCTION LTD, , SY15 | £35600 |
| Richard Sherratt Builders Ltd, Shrewsbury , SY5 | £35600 |
| Cherry Build Limited, Llandrindod Wells, LD1 | £39280 |