Changes made by Borough of Southend-on-Sea (Electoral Changes) 2000
S.I. 2000/1487
Made to Essex (Boroughs of Colchester, Southend-on-Sea and Thurrock and District of Tendring) (Structural, Boundary and Electoral Changes) 1996
1 change. All changes made by Borough of Southend-on-Sea (Electoral Changes) 2000
From legislation.gov.uk's record of changes, the official one: see it there.