Wessex Archaeology was commissioned by Durkan Ltd, to conduct and archaeological watching brief on a sub-basement within the Abbey Wood and South Thamesmead Phase 1a development. The watching brief forms part of a programme of archaeological mitigation required as a planning condition for the redevelopment of the Abbey Wood and South Thamesmead area (ref 16/01251/FULM) The works monitored covered 0.02 hectares centred on National Grid Reference 547475 179677. The watching brief monitored the excavation of a sub-basement to a depth of -1.30 m OD. The only deposits recorded were modern made ground varying between 0.65 - 2.10 m thick and Upper Alluvium deposit. No archaeological features were noted during the watching brief. The watching brief was undertaken over 5 days, between 17th - 21st June 2019. The watching brief was part of a programme of work for the redevelopment of the Abbey Wood and South Thamesmead area. The watching brief found modern made ground and no archaeological features were noted.