Missing BUAs
Blaenau Gwent
Bridgend
- Bryncoch, Bridgend, part of Sarn (Aberkenfig / Bryncoch) BUASD
- Pant-yr-awel
- Pont Rhyd-y-cyff
- Trelales (same as Laleston)
Caerphilly
Cardiff
Carmarthenshire
Ceredigion
- Penrhiw-llan (former)
Conwy
Denbighshire
Flintshire
- Deeside Industrial Park (not an OS settlement)
- Walwen
Gwynedd
Isle of Anglesey
Merthyr Tydfil
Monmouthshire
- Waunllapria (not an OS settlement)
Neath Port Talbot
- Coedhirwaun (not an OS settlement)
Newport
Pembrokeshire
Redirect only
- Roch, Pembrokeshire (former)
Powys
Rhondda Cynon Taf
Swansea
Redirect only
- Crofty
- Llanrhidian (same as Llanrhidian Lower community)
- Murton, Swansea
- Three Crosses, Swansea
- Upper Killay
Torfaen
The Vale of Glamorgan
- RAF Station St Athan (not an OS settlement, same as MOD St Athan but also includes St Athan village)
Wrexham
Redirect only
- Cross Lanes, Wrexham (same as Sesswick community)
Total
27 (18 removing same as and non OS settlements)
Others
Those on List of localities in Wales by population that don't exist excluding titles identical to above.
- Blaenannerch, Ceredigion
- Cwrt Y Gollen, Powys (not an OS settlement, same as Cwrt y Gollen)
- Hengell Uchaf Estate, Ceredigion (not an OS settlement)
- Hook (Pembrokeshire) (same as Hook, Pembrokeshire)
- Keeston, Pembrokeshire
- Llanybyther, Carmarthenshire (same as Llanybydder)
- Mynydd-bach, Monmouthshire/Shirenewton
- Mynydd-bach/Shirenewton, Monmouthshire (not an OS settlement)
- Newborough (Isle of Anglesey) (same as Newborough, Anglesey)
- Newport (Pembrokeshire) (same as Newport, Pembrokeshire)
- Norton (Powys) (same as Norton, Powys)
- Pen-twyn (Caerphilly)= Pen-twyn, Caerphilly
- Pen-twyn (Monmouthshire) (same as Penallt)
- Tal-y-bont (Ceredigion) (same as Tal-y-bont, Ceredigion)
- Tal-y-bont (Gwynedd) (same as Tal-y-bont, Dyffryn Ardudwy)
Redirect only
- Clarbeston Road, Pembrokeshire
- Llanmadoc, Swansea
Total
17 (4 removing same and non OS settlements)
Grand total
44 (22 removing same and non OS settlements)