Both Hexham and Berwick-upon-Tweed had been constituency names continuously since 1885. But only Hexham survived the review implemented in 2024, as Berwick became part of a new North Northumberland seat.Both Hexham and Berwick-upon-Tweed had been constituency names continuously since 1885. But only Hexham survived the review implemented in 2024, as Berwick became part of a new North Northumberland seat.