Decathlon – Chingford – Opening Hours & Store Details Decathlon is located right in Corktree Retail Park on Hall Lane, a 8.37 mile distance north-east from the centre of London, in Chingford (by Hall Lane Walthamstow Avenue). The store chiefly serves people from the locales of Brook Court, Salisbury Hall Gardens, Banbury Park, Aldriche Way Estate, Edmonton, Tottenham, Rowden Park Gardens and Chesnut Road Estate. Its hours of opening for today (Friday) are 9:00 am – 8:00 pm. This page includes open hours, address details or product ranges for Decathlon Chingford.