B&M – Blackheath, London – Opening Hours & Store Details B&M occupies an ideal location on Kidbrooke Park Road, a 7.40 mile distance south-east of the centre of London, in Blackheath (along Kidbrooke Interchange of A2 / Rochester Way Relief Road). This discount store is situated in a convenient location to serve the people of Well Hall, Lee, Woolwich, Greenwich, Eltham, Horn Park, Kidbrooke and Middle Park. This page will give you all the information you need about B&M Blackheath, London, including the working times, place of business address details, direct contact number and additional details.