Clubs in the Croydon & District Chess League…
Battersea
Coulsdon Chess Club
Crystal Palace
HMRC Croydon
Lewisham
Old Whitgiftians
Petts Wood & Orpington
South Norwood
Streatham
Wallington
West Wickham
For information on other chess leagues in the South London area…
London Chess League
Surrey County Chess Association
Kent County Chess Association
Thames Valley Chess League