Under the
2023 periodic review of Westminster constituencies, the constituency was defined as comprising the following, as they existed on 1 December 2020: • The Borough of Fareham wards of Fareham East, Fareham North, Fareham North-West, Fareham South, Fareham West, Portchester East, and Portchester West. • The Borough of Havant wards of Cowplain, Hart Plain, and Waterloo. • The City of Winchester wards of Denmead, and Southwick & Wickham. Following a local government boundary review in Fareham which became effective in May 2024, the constituency now comprises the following with effect from the 2024 general election: • The Borough of Fareham wards of: Avenue (majority); Fareham Park; Fareham Town; Fort Fareham; Portchester Castle; Portchester Wincor; Uplands & Funtley; Wallington & Downend; and a small part of Titchfield ward. • The Borough of Havant wards of: Cowplain; Hart Plain; Waterloo. • The City of Winchester wards of: Denmead; Southwick & Wickham. It comprises the following areas: • The town of
Fareham and village of
Portchester from the former constituency of
Fareham • The town of
Waterlooville, together with the villages of
Denmead,
Southwick and
Wickham, from the former constituency of
Meon Valley == History ==