Sainsbury’s – Hornsey, London – Opening Hours & Store Details Sainsbury’s Superstore is positioned on Smithfield Square, approximately 5.59 miles north from the centre of London, in Hornsey (a few minutes walk from Myddelton Road Bus Stop). The store serves customers from the areas of Wood Green, Stroud Green, Crouch End, Harringay, Hornsey, Colney Hatch, West Green and Muswell Hill. Today (Friday), its business times are 8:00 am until 10:00 pm. Please review this page for the specifics on Sainsbury’s Hornsey, London, including the working hours, address details, telephone number and more information.