North West Hampshire is a constituency[n 1] represented in the House of Commons of the UK Parliament since 2015 by Conservative Kit Malthouse, who served as Education Secretary in 2022.

[6] The economy is built on the military research, building and operations in the area and larger homes attracting wealthy older families and retirees, a high proportion of which are detached or semi-detached in both authorities covered,[7] building and engineering industries and the ease of most areas to access London, Basingstoke, Reading and the Commuter Belt.

1983–1997: The Borough of Test Valley wards of Alamein, Anna, Bourne Valley, Dun Valley, Harewood, Harrow Way, Kings Somborne and Michelmersh, Millway, Nether Wallop and Broughton, Over Wallop, St Mary's, Stockbridge, Tedworth, Weyhill, and Winton, and the Borough of Basingstoke and Deane wards of Baughurst, Burghclere, East Woodhay, Kingsclere, Overton, St Mary Bourne, Tadley Central, Tadley North, Tadley South, and Whitchurch.

1997–2010: The Borough of Test Valley wards of Alamein, Anna, Bourne Valley, Harrow Way, Millway, St Mary's, Tedworth, Weyhill, and Winton, and the Borough of Basingstoke and Deane wards of Baughurst and Heath End, Burghclere, East Woodhay, Highclere and Bourne, Kingsclere, Oakley and North Waltham, Overton and Laverstoke, Sherborne St John, Tadley, and Whitchurch.

2010–2024: The Borough of Test Valley wards of Alamein, Amport, Anna, Bourne Valley, Charlton, Harrow Way, Millway, Penton Bellinger, St Mary's, and Winton, and the Borough of Basingstoke and Deane wards of Baughurst, Burghclere, East Woodhay, Highclere and Bourne, Kingsclere, Oakley and North Waltham, Overton, Laverstoke and Steventon, Tadley North, Tadley South, and Whitchurch.