Downside is a small village in the English county of Surrey, in the local government district of Elmbridge, centred on Downside Common which is 18 miles (29 km) southwest of London and 8.4 miles (13.5 km) northeast of Guildford. Most of its buildings form a cluster. It has an inn, Downside Sports and Social Club, regular village hall events and an annual sports day. It is in the Cobham and Downside ward of Elmbridge Borough Council.