Towns Y
- Commercial-EPC-Y-Felinheli
- Commercial-EPC-Y-Felinheli-Gwynedd
- Commercial-EPC-Yanwath
- Commercial-EPC-Yapton
- Commercial-EPC-Yardley
- Commercial-EPC-Yarlington
- Commercial-EPC-Yarm-North-Yorkshire
- Commercial-EPC-Yarmouth-Isle-of-Wight
- Commercial-EPC-Yarnton
- Commercial-EPC-Yarpole
- Commercial-EPC-Yarwell
- Commercial-EPC-Yate-Gloucestershire
- Commercial-EPC-Yateley-Hampshire
- Commercial-EPC-Yattendon
- Commercial-EPC-Yatton
- Commercial-EPC-Yatton-Keynell
- Commercial-EPC-Yaxham
- Commercial-EPC-Yaxley
- Commercial-EPC-Yeadon-West-Yorkshire
- Commercial-EPC-Yealand-Conyers
- Commercial-EPC-Yealmpton
- Commercial-EPC-Yedingham
- Commercial-EPC-Yelverton
- Commercial-EPC-Yeovil-Somerset
- Commercial-EPC-Yetholm
- Commercial-EPC-Yetminster
- Commercial-EPC-York-North-Yorkshire
- Commercial-EPC-Yorkshire
- Commercial-EPC-Youlgrave
- Commercial-EPC-Youngs-End
- Commercial-EPC-Yoxall
- Commercial-EPC-Yoxford
- Commercial-EPC-Ystalyfera
- Commercial-EPC-Ystrad-Aeron
- Commercial-EPC-Ystrad-Meurig
- Commercial-EPC-Ystradgynlais