Range from the cheapest single storey extension £40,600 (SDW CONSTRUCTION LTD based in SY15) to the dearest single storey extension £47,480 (Heritage & Design Ltd based in HR6).
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 Knighton by posting a job with HaMuch and we will send it to extension builders in Knighton.

| Business name | Single storey extension cost |
|---|---|
| Chapel Hall Joinery, Powys, LD8 | £46,040 |
| K M Lewis T/A Summergill Developments, Presteigne, LD8 | £47,000 |
| ST Building, Presteigne , LD8 | £43,800 |
| SDW CONSTRUCTION LTD, Montgomery, SY15 | £40,600 |
| Cherry Build Limited, Llandrindod Wells, LD1 | £44,280 |
| EVABUILD LIMITED, Llanllwchaiarn, SY16 | £42,200 |
| John Sillitoe Building Contractor, Llanllwchaiarn, SY16 | £41,880 |
| BROAD OAKS CONSTRUCTION LTD, Ludlow, SY8 | £45,240 |
| Heritage & Design Ltd, Herefordshire, HR6 | £47,480 |
| Orchard Building Services, leominster, Herefordshire, hr6 | £45,080 |
| Location in UK | Hourly Rate | Daily Rate |
|---|---|---|
| Single Storey Extension near Hereford | £27 | £204 |
| Single Storey Extension near Shrewsbury | £24 | £192 |
| Single Storey Extension near The Wrekin | £24 | £196 |
| Single Storey Extension near Telford | £25 | £197 |