Further to the completion of the 2023 Periodic Review of Westminster constituencies, the seat was renamed Sussex Weald, Subject to boundary changes - including losing the town of Uckfield to the newly created constituency of East Grinstead and Uckfield, and gaining the smaller town of Heathfield in part compensation.

Before the 2015 election, the Liberal Democrats, including their two predecessor parties, were represented by the main opposition candidate, but they then fell to fourth place.

Locally born Charles Hendry served as a Minister of State in the Department of Energy and Climate Change from 2010 to 2012 following two years in the shadow role in opposition.

Approximately half of the population in the constituency lived in the area's three main towns: Crowborough, Hailsham and Uckfield.

A considerable portion of the population is retired or work in London, Brighton or other regional employment bases at a managerial or advanced professional level.