Work by the Museum of London, the Institute of Archaeology, the Thames Archaeological Survey and Time Team has previously recorded significant prehistoric remains at this site, including Bronze Age timber piles representing a possible bridge or jetty, artefacts including spear heads, also dating to the Bronze Age and a possible fish trap of Iron Age date. Numerous post-medieval structures, such as drainage features and foreshore consolidation deposits including ceramics were also noted. Survey by the TDP, English Heritage and Museum of London Archaeology subsequently discovered further timbers, dating to the late Mesolithic period, representing the remains of the oldest structure so far found in the London area. Early Neolithic ceramics, animal bones, lithics and burnt flint were also recorded.