Santander – Swansea, Union Street – Opening Hours & Store Details Santander is proud to be situated at 1 Union Street, a 0.20 mile drive south-west from the centre of Swansea (by Swansea Grand Theatre and Quadrant Shopping Centre). This store is happy to provide service to customers within the areas of Pentre-Chwyth, St. Thomas, Aurora, Swansea Town Centre, Mayhill, Mount Pleasant and Cwmbwrla. This page will provide you with all the information you need about Santander Swansea, Union Street, including the operating times, street address, direct contact number and additional details.