Roydon is a village in Essex, England.
It is situated within the CM19 postcode district, which is within the Harlow post town.
The full list of postcode districts within the Harlow post town is as follows:
The Harlow post town is within the Chelmsford postcode area.
Administrative Ward: Roydon
Administrative District: Epping Forest
Administrative County: Essex
Country: England
UK Parliament: Harlow
NHS Local Health Authority: East of England
NHS Region: North, Midlands and the East