3.Glyn Tarell and Brecon — change in community areas and consequential changes to electoral arrangements
4.Vale of Grwyney and Crickhowell — change in community areas
5.Builth and Duhonw — change in community areas and consequential change to electoral arrangements
6.Llanigon and Hay — change in community areas and consequential change to electoral arrangements
9.Llanfair Caereinion and Castle Caereinion — change in community areas and consequential change to electoral arrangements
10.Churchstoke and Kerry — change in community areas and consequential change to electoral arrangements
11.Newtown and Llanllwchaiarn — change in community areas and consequential change to electoral arrangements
12.Llansantffraid and Llangedwyn — change in community areas and consequential change to electoral arrangements
13.Llangurig and Llanidloes — change in community areas and consequential change to electoral arrangements
14.Churchstoke and Montgomery — change in community areas and consequential change to electoral arrangements
15.Knighton and Whitton — change in community areas and consequential change to electoral arrangements
16.Llanrhaeadr-ym-Mochnant — amalgamation of existing communities to create new community and consequential changes to electoral arrangements