Decathlon – Slough – Opening Hours & Store Details Decathlon is easy to get to in Westgate Retail Park at 225 Bath Road, a 1.61 mile driving distance west from the centre of Slough (not far from Slough Trading Estate). The store provides service primarily to the districts of Burnham, Eton Wick, Farnham Royal, Britwell, Dorney, Eton Great Common, Eton Little Common and Tilson Bridge. 9:00 am to 8:00 pm are its business hours today (Friday). Working times, store address or telephone info for Decathlon Slough can be found on this page.