Blazon: Argent on a cross flory sable between in chief dexter two swords in saltire and sinister two keys in saltire, both azure and gules, five bezants
Crest: On a mural crown or a fountain between a branch of oak leaved and fructed and a branch of beech slipped proper
Supporters: On the dexter a lion sable and on the sinister a horse argent each with a cross formy fitchy pendant from a collar counterchanged
Mantling: Sable lined argent
Motto: Ad summa nitamur (Let us strive for perfection)
The cross flory comes from the arms of John Whitgift, Archbishop of Canterbury, by way of the County Borough of Croyden. The keys and swords refer to the Abbey of St. Peter and St. Paul. The fountain symbolizes the source of the River Wandle, and the white horse is from the arms of the Earls of Surrey.