[1][2] It is located four miles south of Hitchin, on the B656 road near the large town of Stevenage.
Prior to 1894, Langley and neighbouring Preston were part of the parish of Hitchin, together forming a long salient to the south of the town itself.
[5] Langley civil parish was then included in the Hitchin Rural District between 1894 and 1974, when it became part of North Hertfordshire.
Langley is located within the local government district of North Hertfordshire and within the Ward of Hitchwood, Offa and Hoo, a Multi Member Ward currently represented by three Conservative councillors (Cllr David Barnard, Cllr Claire Strong and Cllr Faye Frost).
Langley is located within the Hertfordshire County Council Division of Knebworth and Codicote and is represented by Cllr Richard Thake (Conservative).