1983–1997: The Borough of Test Valley wards of Abbey, Blackwater, Chilworth and Nursling, Cuppernham, Field, North Baddesley, Romsey Extra, and Tadburn, and the District of New Forest wards of Blackfield and Langley, Colbury, Dibden and Hythe North, Dibden Purlieu, Fawley Holbury, Hythe South, Marchwood, Netley Marsh, Totton Central, Totton North, and Totton South.
1997–2010: The Borough of Test Valley wards of Abbey, Blackwater, Chilworth and Nursling, Cuppernham, Dun Valley, Field, Harewood, Kings Somborne and Michelmersh, Nether Wallop and Broughton, North Baddesley, Over Wallop, Romsey Extra, Stockbridge, and Tadburn, the Borough of Eastleigh wards of Chandler's Ford, Hiltingbury East, and Hiltingbury West, and the City of Southampton ward of Bassett.
The constituency was approximate to the Test Valley district of Hampshire and covered a smaller area as parts of the north of Test Valley fell into part of the North West Hampshire seat to roughly ensure equal size electorates (low malapportionment). The main town within the constituency was Romsey.
History
The constituency was created in 1983 from parts of the seats of Eastleigh and New Forest. It was originally named Romsey and Waterside and included areas such as Hythe and Fawley on the west side of Southampton Water. In 1997 it lost the Waterside area and gained the Bassett Ward of the City of Southampton, and new territory in the north of the Test Valley district, and was consequently renamed to just Romsey. The first MP, Michael Colvin, held the constituency from its creation until his death in 2000. This led to a by-election, which was won by Liberal DemocratSandra Gidley, who held the seat in the two subsequent General Elections.
Following their review of parliamentary representation in Hampshire, the Boundary Commission for England created a modified Romsey constituency called Romsey and Southampton North, to reflect the fact that two wards of Southampton form part of the constituency (though one ward had in fact formed part of the constituency since 1997).