London Colney is a village and civil parish in Hertfordshire, England. It is located to the north of London, close to Junction 22 of the M25 motorway. It is around 2.5 miles south-east of St Albans city centre and part of the City and District of St Albans. At the time of the 2011 census the population of London Colney ward was 9,507, increasing to 9,804 at the 2021 census. It is considered a satellite or dormitory village of St Albans, where some villagers travel to work and shop.