Former St Mary Street AQMA with the addition of Westgate Street in Cardiff City Centre

The designated area starts from the section of the A484 known as Bassett Terrace from the far west at the junction with Waun Eos Road travelling easterly through Sandy Road and incorporating Sandy Road roundabout, continues to follow an easterly direction along the A484 Pembrey Road before turning north up New Road as far as the mini round-about in Furnace, and then travels back south along Old Road as far as the junction with Thomas Street on the A476. The boundary then travels north east along the A476 through Felinfoel Road and Panteg, as far as the mini roundabout joining Farmers Row.

An area encompassing properties along both sides of the A473 through Tonteg, Church Village, Llantwit Fardre.

The designated area incorporates properties numbered 100 to 172 evens and 15-163 odds of Windsor Road, Cogan, Penarth.

All roadside properties from 9 Dyffryn Terrace east to 5b Main Road within the township of Church Village

An area encompassing two properties adjacent to the Dolfor junction on New Road in Newtown, Powys

All roadside properties form 2 Balmoral Cottages east to Bryn House within the township of Llantwit Fardre

Centre on Cardiff Road through Llandaff village

1-20 Woodside Terrace, and various properties on Hafod-yr-ynys road.

An area encompassing St Mary Street, Cardiff and properties on either side of the road.