A crowd of 775 saw Tom Warren put Coventry ahead with s try which Lee Audis converted.
The Londoners came back with a Sam Windsor 19th minute penalty and seven minutes later, Ralph SMith ran in a try which Windsor converted.
Windsor scored a penalty five minutes into the second half and in the 54th minute, Coventry were awarded a penalty which Lee Audis converted.
Windsor added another penalty to his tally in the 71st minute but a Sam Rington try which was converted by Audis ensured that Coventry came back to win.