Halfords – Parc Pensarn Retail Park, Carmarthen – Opening Hours & Store Details Halfords Store occupies a location in Parc Pensarn Retail Park situated on Parc Pensarn, a 0.92 mile drive south of the centre of Carmarthen (near to Pensarn Morrisons Store Bus Stop). This store essentially serves the people in the locales of Cwmoernant, Johnstown, Cwmffrwd, Llanllwch, Carmarthen Town Centre, Croesyceiliog, Pensarn and Llangynnwr. Today (on Friday) it is open 8:00 am – 8:00 pm. This page will give you all the information you need about Halfords Parc Pensarn Retail Park, Carmarthen, including the open hours, store address, contact number and additional essential details.