Decathlon – Brighton – Opening Hours & Store Details You’ll find Decathlon easily accessible on North Street, about a 0.24 mile distance west of the centre of Brighton (close to Portland Street (Stop M)). The store is an added feature to the areas of Round Hill, Hove, Kemptown, Preston, Brunswick, Queen’s Park, Whitehawk and Brighton Town Centre. Today (Friday), hours of business begin at 9:00 am and continue until 8:00 pm. Here you’ll find some information about Decathlon Brighton, including the hours of operation, location particulars or contact details.