The Welsh Postcode Address File format is identical to the Postcode Address File format except locality information such as post town locality dependent are presented in Welsh.
Welsh PAF address results are labeled with
Welsh PAF provides the Welsh language alternative for an address in Wales and are an optional addon to the main UK address dataset.
More Welsh alternatives addresses (which translate the premise elements into Welsh) can be found on the PAF Aliases dataset.
Please make an enquiry about enabling this dataset on your API Key.