Brookside is a village in Berkshire, England.
It is situated within the SL5 postcode district, which is within the Ascot post town.
SL5 is the only postcode district within the Ascot post town.
The Ascot post town is within the Slough postcode area.
Administrative Ward: Ascot and Cheapside
Administrative District: Windsor and Maidenhead
Country: England
UK Parliament: Windsor
NHS Local Health Authority: South Central
NHS Region: Southern