BR continued to build LNER design hopper wagons of welded and riveted (see other collections) construction. Two distinct body styles were used, sometimes the newer one replaced the earlier one during rebuilding. Later simpler rebodying was introduced and later still this included renumbering (see other collections). Scale drawings in: Monk-Steel, David (2022) An illustrated history of British Railways Hopper Wagons. HMRS publishing, Butterley Station, Derbys. 248 + iv pages ISBN 978 0 902835 42 9