Range from the cheapest Side return extension £33,400 (SDW CONSTRUCTION LTD based in SY15) to the dearest Side return extension £37,000 (K M Lewis T/A Summergill Developments based in LD8).
Comparing extension builders estimates for Side return extension 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 for a side return extention by posting your job to extension builders in Rhayader.

| Business name | Side return extension cost |
|---|---|
| Cherry Build Limited, Llandrindod Wells, LD1 | £35,470 |
| DRAGON CONSTRUCTION T/A, Tregaron, SY25 | £35,200 |
| ST Building, Presteigne , LD8 | £35,200 |
| K M Lewis T/A Summergill Developments, Presteigne, LD8 | £37,000 |
| EVABUILD LIMITED, Llanllwchaiarn, SY16 | £34,300 |
| John Sillitoe Building Contractor, Llanllwchaiarn, SY16 | £34,120 |
| SP Coupland Ltd, Sir Ceredigion, SY25 | £36,100 |
| SDW CONSTRUCTION LTD, Montgomery, SY15 | £33,400 |