Radlett is a large village between St Albans and Borehamwood in the Hertsmere district of Hertfordshire, England.
It is covered by two wards, Aldenham East and Aldenham West with a combined population of 9,942 at the time of the census of 2001. Note that this includes the villages of Aldenham and Letchmore Heath .
It has a train station with Thameslink 'all stations' services to central and south London.
Radlett's principal claims to fame are that it was, until 1970 the base for the Handley Page aircraft company and that it featured as a set in many of the films made at the nearby Elstree Film Studios.