The Hall was built in 1816 as a Methodist Chapel and the adjoining small hall dates from 1879. In 1875 it was aquired by the 'open brethren', and the main building used as an assembly hall, whilst the smaller one for a school room. J W Jordan was local here. See Beatie, A Story of a Great Recovery, for more details.
Manchester hold a book London: A Record of the Lord's Work at the Hall, King George Street, Greenwich (1875-1935). Preface) [by] (J. W. Jordan) (London, 1935) 21 pp. (CBA 13142) .. which I have yet to see.