| Primary | Secondary |
| 1997 | 2007 | Difference | 1997 | 2007 | Difference |
| Aldershot Constituency | 28.5 | 26.8 | -1.7 | 20.9 | 20.8 | -0.1 |
| Aldridge-Brownhills Constituency | 26.8 | 25.8 | -1.0 | 21.3 | 19.5 | -1.8 |
| Altrincham and Sale West Constituency | 29.5 | 27.6 | -1.9 | 22.1 | 22.1 | 0.0 |
| Amber Valley Constituency | 29.7 | 26.6 | -3.1 | 21.8 | 20.7 | -1.1 |
| Arundel and South Downs Constituency | 26.1 | 27.2 | 1.1 | 21.1 | 21.4 | 0.3 |
| Ashfield Constituency | 29.8 | 27.2 | -2.6 | 22.5 | 21.4 | -1.1 |
| Ashford Constituency | 27.9 | 27.2 | -0.7 | 20.4 | 21 | 0.6 |
| Ashton under Lyne Constituency | 29.5 | 26.9 | -2.6 | 23 | 22.5 | -0.5 |
| Aylesbury Constituency | 27.8 | 25.3 | -2.5 | 20.7 | 21.5 | 0.8 |
| Banbury Constituency | 27 | 26.1 | -0.9 | 22 | 21.2 | -0.8 |
| Barking Constituency | 27.3 | 26.9 | -0.4 | 19.1 | 21.2 | 2.1 |
| Barnsley Central Constituency | 28.7 | 26.7 | -2.0 | 22.7 | 22.3 | -0.4 |
| Barnsley East and Mexborough Constituency | 28.9 | 26.9 | -2.0 | 23.8 | 23.4 | -0.4 |
| Barnsley West and Penistone Constituency | 28.9 | 26 | -2.9 | 22.7 | 22.1 | -0.6 |
| Barrow and Furness Constituency | 26.7 | 25.8 | -0.9 | 23.8 | 22.9 | -0.9 |
| Basildon Constituency | 27.7 | 26.3 | -1.4 | 23 | 22.8 | -0.2 |
| Basingstoke Constituency | 27.7 | 27.1 | -0.6 | 22.5 | 23.3 | 0.8 |
| Bassetlaw Constituency | 28 | 25.4 | -2.6 | 22 | 22.4 | 0.4 |
| Bath Constituency | 26.4 | 26.8 | 0.4 | 20.7 | 21.3 | 0.6 |
| Batley and Spen Constituency | 28.9 | 26.8 | -2.1 | 23.1 | 21.8 | -1.3 |
| Battersea Constituency | 25.2 | 25.1 | -0.1 | 22.5 | 22.1 | -0.4 |
| Beaconsfield Constituency | 27.7 | 26.1 | -1.6 | 21.6 | 21.3 | -0.3 |
| Beckenham Constituency | 29.3 | 27.6 | -1.7 | 20.2 | 19.8 | -0.4 |
| Bedford Constituency | 28 | 26.7 | -1.3 | 22 | 21.3 | -0.7 |
| Berwick-upon-Tweed Constituency | 23.5 | 22 | -1.5 | 22.8 | 21.7 | -1.1 |
| Bethnal Green and Bow Constituency | 26 | 25.7 | -0.3 | 23.8 | 21.7 | -2.1 |
| Beverley and Holderness Constituency | 28.5 | 25 | -3.5 | 21.8 | 21.8 | 0.0 |
| Bexhill and Battle Constituency | 27.8 | 27.2 | -0.6 | 22.5 | 25.8 | 3.3 |
| Bexleyheath and Crayford Constituency | 29.2 | 27.4 | -1.8 | 21.7 | 22.7 | 1.0 |
| Billericay Constituency | 28.3 | 26.4 | -1.9 | 22.1 | 21.8 | -0.3 |
| Birkenhead Constituency | 25.2 | 24.2 | -1.0 | 20.5 | 20.2 | -0.3 |
| Birmingham, Edgbaston Constituency | 27.4 | 26.4 | -1.0 | 21 | 19.5 | -1.5 |
| Birmingham, Erdington Constituency | 26.9 | 26.3 | -0.6 | 22.3 | 22.1 | -0.2 |
| Birmingham, Hall Green Constituency | 28.5 | 27.3 | -1.2 | 21.4 | 21.3 | -0.1 |
| Birmingham, Hodge Hill Constituency | 27.8 | 28.2 | 0.4 | 22.2 | 21.7 | -0.5 |
| Birmingham, Ladywood Constituency | 26.8 | 26.6 | -0.2 | 21.3 | 20.5 | -0.8 |
| Birmingham, Northfield Constituency | 27.8 | 25.4 | -2.4 | 22.2 | 21.8 | -0.4 |
| Birmingham, Perry Barr Constituency | 27.8 | 27.7 | -0.1 | 22.2 | 20.2 | -2.0 |
| Birmingham, Selly Oak Constituency | 28.2 | 25.9 | -2.3 | 21.6 | 20.5 | -1.1 |
| Birmingham, Sparkbrook and Small Heath Constituency | 28.3 | 27.4 | -0.9 | 22.1 | 20.8 | -1.3 |
| Birmingham, Yardley Constituency | 27.5 | 27.2 | -0.3 | 21.9 | 20.6 | -1.3 |
| Bishop Auckland Constituency | 28 | 24.9 | -3.1 | 22.1 | 20.3 | -1.8 |
| Blaby Constituency | 26.8 | 26 | -0.8 | 23.1 | 22.3 | -0.8 |
| Blackburn Constituency | 28.8 | 27.1 | -1.7 | 22.5 | 21.5 | -1.0 |
| Blackpool North and Fleetwood Constituency | 29.9 | 27 | -2.9 | 22.5 | 22.8 | 0.3 |
| Blackpool South Constituency | 29.9 | 27.2 | -2.7 | 22.3 | 21.4 | -0.9 |
| Blaydon Constituency | 25.7 | 24.9 | -0.8 | 20.9 | 19.8 | -1.1 |
| Blyth Valley Constituency | 30.2 | 25.8 | -4.4 | 22.9 | 22.9 | 0.0 |
| Bognor Regis and Littlehampton Constituency | 26.7 | 27.2 | 0.5 | 21.2 | 21.1 | -0.1 |
| Bolsover Constituency | 28.7 | 26.1 | -2.6 | 23.7 | 23.5 | -0.2 |
| Bolton North East Constituency | 28.4 | 27.3 | -1.1 | 21.4 | 19.6 | -1.8 |
| Bolton South East Constituency | 29.8 | 27.4 | -2.4 | 22.6 | 22 | -0.6 |
| Bolton West Constituency | 28.3 | 27.9 | -0.4 | 22.9 | 21.2 | -1.7 |
| Bootle Constituency | 25.7 | 23.2 | -2.5 | 21.5 | 20.7 | -0.8 |
| Boston and Skegness Constituency | 27.5 | 26.1 | -1.4 | 19.9 | 20.7 | 0.8 |
| Bosworth Constituency | 27.2 | 26.3 | -0.9 | 21.9 | 22.9 | 1.0 |
| Bournemouth East Constituency | 30.4 | 27.9 | -2.5 | 21.3 | 21.4 | 0.1 |
| Bournemouth West Constituency | 29.8 | 26.8 | -3.0 | 24 | 23.6 | -0.4 |
| Bracknell Constituency | 28.2 | 26.2 | -2.0 | 20.6 | 21.6 | 1.0 |
| Bradford North Constituency | 28.1 | 27.2 | -0.9 | 23.8 | 21.5 | -2.3 |
| Bradford South Constituency | 28.6 | 27.6 | -1.0 | 23.3 | 21.7 | -1.6 |
| Bradford West Constituency | 28.3 | 28.7 | 0.4 | 22.9 | 20 | -2.9 |
| Braintree Constituency | 27 | 26.2 | -0.8 | 21.9 | 22.2 | 0.3 |
| Brent East Constituency | 26.1 | 26.4 | 0.3 | 20.3 | 18.4 | -1.9 |
| Brent North Constituency | 27.1 | 27.9 | 0.8 | 20.1 | 20.9 | 0.8 |
| Brent South Constituency | 26.4 | 28 | 1.6 | 21.2 | 21.5 | 0.3 |
| Brentford and Isleworth Constituency | 26.5 | 27.3 | 0.8 | 20.9 | 20.9 | 0.0 |
| Brentwood and Ongar Constituency | 26.8 | 26.4 | -0.4 | 21.1 | 20 | -1.1 |
| Bridgwater Constituency | 27.9 | 25.5 | -2.4 | 23.7 | 22 | -1.7 |
| Brigg and Goole Constituency | 27.1 | 25.7 | -1.4 | 22.1 | 22.7 | 0.6 |
| Brighton, Kemptown Constituency | 28 | 27.2 | -0.8 | 23 | 22.9 | -0.1 |
| Brighton, Pavilion Constituency | 28.5 | 28.4 | -0.1 | 23.6 | 23.3 | -0.3 |
| Bristol East Constituency | 27.7 | 26.4 | -1.3 | 21.2 | 20.4 | -0.8 |
| Bristol North West Constituency | 27.2 | 25.6 | -1.6 | 20.5 | 22.2 | 1.7 |
| Bristol South Constituency | 26.6 | 25.9 | -0.7 | 21.6 | 22.3 | 0.7 |
| Bristol West Constituency | 28.3 | 28.1 | -0.2 | 21.1 | 21 | -0.1 |
| Bromley and Chislehurst Constituency | 29.7 | 27.7 | -2.0 | 20.8 | 20.5 | -0.3 |
| Bromsgrove Constituency | 26.3 | 25.8 | -0.5 | 22.5 | 21.9 | -0.6 |
| Broxbourne Constituency | 27.9 | 27 | -0.9 | 20.1 | 21.6 | 1.5 |
| Broxtowe Constituency | 28.6 | 26.8 | -1.8 | 21.4 | 21.2 | -0.2 |
| Buckingham Constituency | 27.1 | 24.7 | -2.4 | 21.4 | 20.4 | -1.0 |
| Burnley Constituency | 27 | 26.8 | -0.2 | 21.9 | 19.3 | -2.6 |
| Burton Constituency | 26.9 | 26.3 | -0.6 | 21.9 | 21.5 | -0.4 |
| Bury North Constituency | 28.1 | 26.6 | -1.5 | 23.3 | 22.6 | -0.7 |
| Bury South Constituency | 28.5 | 25.6 | -2.9 | 22.8 | 21.6 | -1.2 |
| Bury St. Edmunds Constituency | 25.4 | 24.1 | -1.3 | 20.6 | 21.7 | 1.1 |
| Calder Valley Constituency | 28.1 | 25.8 | -2.3 | 21.2 | 20.8 | -0.4 |
| Camberwell and Peckham Constituency | 26 | 24.7 | -1.3 | 25 | 20.5 | -4.5 |
| Cambridge Constituency | 28 | 26.3 | -1.7 | 23.5 | 22.6 | -0.9 |
| Cannock Chase Constituency | 28 | 25.8 | -2.2 | 22 | 20.7 | -1.3 |
| Canterbury Constituency | 27.7 | 25.9 | -1.8 | 20.3 | 20.3 | 0.0 |
| Carlisle Constituency | 27.4 | 26 | -1.4 | 20.7 | 21.4 | 0.7 |
| Carshalton and Wallington Constituency | 28.4 | 27.1 | -1.3 | 20.5 | 20.3 | -0.2 |
| Castle Point Constituency | 27.8 | 27.5 | -0.3 | 23.6 | 23.8 | 0.2 |
| Central Suffolk and North Ipswich Constituency | 24.8 | 24.9 | 0.1 | 21.4 | 20.8 | -0.6 |
| Charnwood Constituency | 27.5 | 26.8 | -0.7 | 22.5 | 22.5 | 0.0 |
| Chatham and Aylesford Constituency | 28.4 | 26.8 | -1.6 | 21.3 | 20.3 | -1.0 |
| Cheadle Constituency | 28.4 | 26.2 | -2.2 | 23.4 | 23 | -0.4 |
| Cheltenham Constituency | 27.6 | 26.1 | -1.5 | 22 | 21.3 | -0.7 |
| Chesham and Amersham Constituency | 28.8 | 26.8 | -2.0 | 20.4 | 21.3 | 0.9 |
| Chesterfield Constituency | 30.4 | 27 | -3.4 | 22.7 | 21.8 | -0.9 |
| Chichester Constituency | 26 | 25.3 | -0.7 | 21.1 | 21.9 | 0.8 |
| Chingford and Woodford Green Constituency | 27.4 | 27.2 | -0.2 | 22 | 22 | 0.0 |
| Chipping Barnet Constituency | 27.4 | 27.7 | 0.3 | 20.1 | 20.3 | 0.2 |
| Chorley Constituency | 29.1 | 26.7 | -2.4 | 22.8 | 22.3 | -0.5 |
| Christchurch Constituency | 28.4 | 27.2 | -1.2 | 22.1 | 21.5 | -0.6 |
| Cities of London and Westminster Constituency | 24.5 | 24.7 | 0.2 | 20.7 | 20.5 | -0.2 |
| City of Chester Constituency | 26.6 | 25.1 | -1.5 | 19.6 | 19.8 | 0.2 |
| City of Durham Constituency | 27.4 | 25.5 | -1.9 | 21.4 | 20.1 | -1.3 |
| City of York Constituency | 27 | 25.7 | -1.3 | 21.4 | 21.3 | -0.1 |
| Cleethorpes Constituency | 28.6 | 25.8 | -2.8 | 22.4 | 21.4 | -1.0 |
| Colchester Constituency | 27.7 | 26.3 | -1.4 | 22.3 | 22.4 | 0.1 |
| Colne Valley Constituency | 29.7 | 27.4 | -2.3 | 23.1 | 23.6 | 0.5 |
| Congleton Constituency | 27.4 | 26.4 | -1.0 | 20.8 | 19.9 | -0.9 |
| Copeland Constituency | 26.2 | 24.3 | -1.9 | 21.2 | 20.5 | -0.7 |
| Corby Constituency | 26 | 25 | -1.0 | 20.3 | 20.6 | 0.3 |
| Cotswold Constituency | 26.5 | 25 | -1.5 | 21 | 21.5 | 0.5 |
| Coventry North East Constituency | 27.4 | 26.7 | -0.7 | 22.8 | 21.8 | -1.0 |
| Coventry North West Constituency | 27.9 | 26.3 | -1.6 | 22.6 | 21.1 | -1.5 |
| Coventry South Constituency | 27.4 | 25.3 | -2.1 | 22.5 | 20.7 | -1.8 |
| Crawley Constituency | 27 | 26 | -1.0 | 20.1 | 20.1 | 0.0 |
| Crewe and Nantwich Constituency | 28.3 | 26.3 | -2.0 | 22.2 | 21.6 | -0.6 |
| Crosby Constituency | 29 | 26.1 | -2.9 | 20.8 | 19.9 | -0.9 |
| Croydon Central Constituency | 27.6 | 26.9 | -0.7 | 22.2 | 22.1 | -0.1 |
| Croydon North Constituency | 29 | 27.5 | -1.5 | 21.9 | 20.1 | -1.8 |
| Croydon South Constituency | 28.2 | 28.2 | 0.0 | 22.6 | 23.7 | 1.1 |
| Dagenham Constituency | 26.7 | 26.8 | 0.1 | 21.6 | 20.7 | -0.9 |
| Darlington Constituency | 29.8 | 27.5 | -2.3 | 23.5 | 21.5 | -2.0 |
| Dartford Constituency | 28.7 | 26.8 | -1.9 | 19.5 | 19.6 | 0.1 |
| Daventry Constituency | 26.7 | 25.7 | -1.0 | 20.8 | 20.1 | -0.7 |
| Denton and Reddish Constituency | 29.1 | 25.2 | -3.9 | 22.9 | 22.8 | -0.1 |
| Derby North Constituency | 30.3 | 26.3 | -4.0 | 22.6 | 21.9 | -0.7 |
| Derby South Constituency | 28.7 | 26.9 | -1.8 | 24.1 | 19.9 | -4.2 |
| Devizes Constituency | 26.6 | 25.4 | -1.2 | 22.4 | 20.7 | -1.7 |
| Dewsbury Constituency | 28.7 | 26.7 | -2.0 | 22.2 | 21.3 | -0.9 |
| Don Valley Constituency | 29 | 25.8 | -3.2 | 21.6 | 20.9 | -0.7 |
| Doncaster Central Constituency | 27.2 | 26.1 | -1.1 | 21 | 19.9 | -1.1 |
| Doncaster North Constituency | 27.9 | 26 | -1.9 | 21.3 | 20.7 | -0.6 |
| Dover Constituency | 28.4 | 25.3 | -3.1 | 20 | 20 | 0.0 |
| Dudley North Constituency | 27.2 | 25.7 | -1.5 | 23.4 | 22.3 | -1.1 |
| Dudley South Constituency | 26.4 | 25.1 | -1.3 | 23.3 | 23.3 | 0.0 |
| Dulwich and West Norwood Constituency | 26.9 | 26.1 | -0.8 | 23.4 | 21.5 | -1.9 |
| Ealing North Constituency | 26.9 | 27.6 | 0.7 | 21.8 | 21 | -0.8 |
| Ealing, Acton and Shepherd's Bush Constituency | 26.4 | 26.7 | 0.3 | 22.1 | 21.6 | -0.5 |
| Ealing, Southall Constituency | 27.1 | 27.5 | 0.4 | 23.4 | 22.7 | -0.7 |
| Easington Constituency | 29.2 | 26.3 | -2.9 | 23.3 | 20.9 | -2.4 |
| East Devon Constituency | 27.6 | 26.1 | -1.5 | 21.4 | 19.9 | -1.5 |
| East Ham Constituency | 28.2 | 27.8 | -0.4 | 25.4 | 24.3 | -1.1 |
| East Hampshire Constituency | 27.9 | 27.1 | -0.8 | 21.9 | 23.3 | 1.4 |
| East Surrey Constituency | 25.9 | 26.7 | 0.8 | 20.9 | 22 | 1.1 |
| East Worthing and Shoreham Constituency | 27.3 | 26.5 | -0.8 | 22.7 | 21.2 | -1.5 |
| East Yorkshire Constituency | 27.4 | 25 | -2.4 | 20.1 | 21 | 0.9 |
| Eastbourne Constituency | 29.1 | 29.9 | 0.8 | 23 | 23.2 | 0.2 |
| Eastleigh Constituency | 29.1 | 27.4 | -1.7 | 23.2 | 22.7 | -0.5 |
| Eccles Constituency | 28.2 | 26.2 | -2.0 | 22.8 | 22.9 | 0.1 |
| Eddisbury Constituency | 26.2 | 25.7 | -0.5 | 20.8 | 20.7 | -0.1 |
| Edmonton Constituency | 29 | 28.5 | -0.5 | 21 | 21.6 | 0.6 |
| Ellesmere Port and Neston Constituency | 28 | 25.4 | -2.6 | 20.7 | 19 | -1.7 |
| Elmet Constituency | 28.5 | 25.9 | -2.6 | 20.1 | 20.2 | 0.1 |
| Eltham Constituency | 26.3 | 26 | -0.3 | 22.5 | 20.5 | -2.0 |
| Enfield North Constituency | 29.4 | 28.4 | -1.0 | 20.7 | 20.4 | -0.3 |
| Enfield, Southgate Constituency | 28.8 | 28 | -0.8 | 20.4 | 20.2 | -0.2 |
| Epping Forest Constituency | 27.4 | 26.2 | -1.2 | 21.6 | 21.4 | -0.2 |
| Epsom and Ewell Constituency | 27.3 | 26.9 | -0.4 | 20.7 | 20.7 | 0.0 |
| Erewash Constituency | 30.3 | 27.4 | -2.9 | 23.3 | 21.6 | -1.7 |
| Erith and Thamesmead Constituency | 26.7 | 27.6 | 0.9 | 22.5 | 21.8 | -0.7 |
| Esher and Walton Constituency | 26.2 | 27.5 | 1.3 | 22.6 | 23.7 | 1.1 |
| Exeter Constituency | 26.9 | 25.9 | -1.0 | 22.4 | 22.8 | 0.4 |
| Falmouth and Camborne Constituency | 27.9 | 26.8 | -1.1 | 21.4 | 20 | -1.4 |
| Fareham Constituency | 27.5 | 28.2 | 0.7 | 23.9 | 23.3 | -0.6 |
| Faversham and Mid Kent Constituency | 26.1 | 27.1 | 1.0 | 20.1 | 19.5 | -0.6 |
| Feltham and Heston Constituency | 27 | 26.8 | -0.2 | 21.5 | 20.3 | -1.2 |
| Finchley and Golders Green Constituency | 25 | 26.2 | 1.2 | 20.2 | 19.5 | -0.7 |
| Folkestone and Hythe Constituency | 27.5 | 26.5 | -1.0 | 20.5 | 21.5 | 1.0 |
| Forest of Dean Constituency | 26.1 | 24.8 | -1.3 | 22.5 | 21.6 | -0.9 |
| Fylde Constituency | 30 | 26.3 | -3.7 | 22.5 | 21.1 | -1.4 |
| Gainsborough Constituency | 26.2 | 25.5 | -0.7 | 20.5 | 21.6 | 1.1 |
| Gateshead East and Washington West Constituency | 26.4 | 25.1 | -1.3 | 20 | 20.3 | 0.3 |
| Gedling Constituency | 29.6 | 27.3 | -2.3 | 21.5 | 20.6 | -0.9 |
| Gillingham Constituency | 27.6 | 26.7 | -0.9 | 20 | 19.9 | -0.1 |
| Gloucester Constituency | 28.6 | 27 | -1.6 | 20.6 | 19.8 | -0.8 |
| Gosport Constituency | 28.5 | 26.9 | -1.6 | 22.7 | 22.8 | 0.1 |
| Grantham and Stamford Constituency | 27.4 | 26.6 | -0.8 | 20.3 | 20.7 | 0.4 |
| Gravesham Constituency | 28.1 | 26.8 | -1.3 | 20.2 | 20.6 | 0.4 |
| Great Grimsby Constituency | 27.5 | 24 | -3.5 | 24 | 22.5 | -1.5 |
| Great Yarmouth Constituency | 27.6 | 26.7 | -0.9 | 21.4 | 21.8 | 0.4 |
| Greenwich and Woolwich Constituency | 25.8 | 25.6 | -0.2 | 22.2 | 20.3 | -1.9 |
| Guildford Constituency | 25.6 | 26.8 | 1.2 | 21.2 | 20.9 | -0.3 |
| Hackney North and Stoke Newington Constituency | 25.9 | 26.1 | 0.2 | 22.1 | 20.4 | -1.7 |
| Hackney South and Shoreditch Constituency | 26.2 | 26.4 | 0.2 | 22.4 | 23.3 | 0.9 |
| Halesowen and Rowley Regis Constituency | 27.5 | 25.6 | -1.9 | 22.9 | 21.4 | -1.5 |
| Halifax Constituency | 27.8 | 25.3 | -2.5 | 20.7 | 20.6 | -0.1 |
| Haltemprice and Howden Constituency | 28.9 | 26.4 | -2.5 | 22.3 | 21.1 | -1.2 |
| Halton Constituency | 27 | 24.7 | -2.3 | 21.5 | 21.8 | 0.3 |
| Hammersmith and Fulham Constituency | 25.3 | 26.2 | 0.9 | 22.5 | 20.7 | -1.8 |
| Hampstead and Highgate Constituency | 26.9 | 27.4 | 0.5 | 20.2 | 20.9 | 0.7 |
| Harborough Constituency | 27.2 | 26.7 | -0.5 | 22.7 | 22.1 | -0.6 |
| Harlow Constituency | 26.9 | 26.7 | -0.2 | 23 | 22.6 | -0.4 |
| Harrogate and Knaresborough Constituency | 28.1 | 27 | -1.1 | 19.7 | 20.1 | 0.4 |
| Harrow East Constituency | 27.4 | 26 | -1.4 | 23.4 | 23.3 | -0.1 |
| Harrow West Constituency | 27.6 | 26.6 | -1.0 | 22.4 | 21.5 | -0.9 |
| Hartlepool Constituency | 28 | 25.4 | -2.6 | 22 | 21.8 | -0.2 |
| Harwich Constituency | 27.7 | 26.6 | -1.1 | 20.6 | 19.8 | -0.8 |
| Hastings and Rye Constituency | 28 | 27.5 | -0.5 | 20.7 | 21.1 | 0.4 |
| Havant Constituency | 27.7 | 26.9 | -0.8 | 22.2 | 22.1 | -0.1 |
| Hayes and Harlington Constituency | 27 | 27 | 0.0 | 23.3 | 21.3 | -2.0 |
| Hazel Grove Constituency | 27.3 | 25.7 | -1.6 | 22.3 | 22.9 | 0.6 |
| Hemel Hempstead Constituency | 27.6 | 26 | -1.6 | 19.9 | 20.3 | 0.4 |
| Hemsworth Constituency | 27.8 | 25.4 | -2.4 | 22 | 21.3 | -0.7 |
| Hendon Constituency | 26.3 | 27.3 | 1.0 | 19.2 | 19.6 | 0.4 |
| Henley Constituency | 26.9 | 25 | -1.9 | 23.1 | 21.8 | -1.3 |
| Hereford Constituency | 26.2 | 25 | -1.2 | 21.8 | 21.3 | -0.5 |
| Hertford and Stortford Constituency | 26.7 | 26.7 | 0.0 | 19.6 | 19.5 | -0.1 |
| Hertsmere Constituency | 27.9 | 27.3 | -0.6 | 20.3 | 19.3 | -1.0 |
| Hexham Constituency | 25.6 | 23.2 | -2.4 | 22 | 22.2 | 0.2 |
| Heywood and Middleton Constituency | 29.7 | 27 | -2.7 | 23.7 | 22.7 | -1.0 |
| High Peak Constituency | 27.6 | 26.3 | -1.3 | 22.2 | 21.1 | -1.1 |
| Hitchin and Harpenden Constituency | 26.3 | 26.7 | 0.4 | 21.2 | 20.3 | -0.9 |
| Holborn and St. Pancras Constituency | 27.4 | 26.4 | -1.0 | 20.3 | 19.4 | -0.9 |
| Hornchurch Constituency | 28.5 | 26.7 | -1.8 | 22.8 | 23.4 | 0.6 |
| Hornsey and Wood Green Constituency | 26.7 | 27.9 | 1.2 | 21.6 | 20.4 | -1.2 |
| Horsham Constituency | 26.1 | 25.9 | -0.2 | 22.6 | 22.6 | 0.0 |
| Houghton and Washington East Constituency | 25.5 | 24.1 | -1.4 | 21.5 | 20.6 | -0.9 |
| Hove Constituency | 29.2 | 28.4 | -0.8 | 20.5 | 22.3 | 1.8 |
| Huddersfield Constituency | 28.6 | 25.7 | -2.9 | 22.2 | 21.4 | -0.8 |
| Huntingdon Constituency | 28.1 | 26.7 | -1.4 | 21.3 | 21.6 | 0.3 |
| Hyndburn Constituency | 29.2 | 26.5 | -2.7 | 23.6 | 22.6 | -1.0 |
| Ilford North Constituency | 28.5 | 28.6 | 0.1 | 20.7 | 20.1 | -0.6 |
| Ilford South Constituency | 28.7 | 29.5 | 0.8 | 20.9 | 20.3 | -0.6 |
| Ipswich Constituency | 25.4 | 25.3 | -0.1 | 20.9 | 20.4 | -0.5 |
| Isle of Wight Constituency | 25.9 | 24.6 | -1.3 | 22.3 | 22.4 | 0.1 |
| Islington North Constituency | 27 | 26.3 | -0.7 | 23.5 | 22.4 | -1.1 |
| Islington South and Finsbury Constituency | 26.2 | 25.1 | -1.1 | 24.7 | 22.2 | -2.5 |
| Jarrow Constituency | 26.4 | 25.9 | -0.5 | 22.7 | 19.8 | -2.9 |
| Keighley Constituency | 28.9 | 26.9 | -2.0 | 23.1 | 21.1 | -2.0 |
| Kensington and Chelsea Constituency | 26.7 | 28.1 | 1.4 | 19.9 | 22.2 | 2.3 |
| Kettering Constituency | 26.7 | 26.6 | -0.1 | 20.6 | 20.4 | -0.2 |
| Kingston and Surbiton Constituency | 29.1 | 26.2 | -2.9 | 20.5 | 21.1 | 0.6 |
| Kingston upon Hull East Constituency | 29.2 | 25.8 | -3.4 | 24.3 | 22.7 | -1.6 |
| Kingston upon Hull North Constituency | 28.6 | 26 | -2.6 | 24.3 | 22.1 | -2.2 |
| Kingston upon Hull West and Hessle Constituency | 28.7 | 26.3 | -2.4 | 22.4 | 21.4 | -1.0 |
| Kingswood Constituency | 29.3 | 26.9 | -2.4 | 21.2 | 21 | -0.2 |
| Knowsley North and Sefton East Constituency | 27.8 | 26 | -1.8 | 21.3 | 19.9 | -1.4 |
| Knowsley South Constituency | 27.6 | 26.4 | -1.2 | 21.3 | 21 | -0.3 |
| Lancaster and Wyre Constituency | 27.9 | 26.6 | -1.3 | 21.8 | 21.4 | -0.4 |
| Leeds Central Constituency | 27.6 | 26.4 | -1.2 | 20.9 | 21.6 | 0.7 |
| Leeds East Constituency | 28.3 | 26.3 | -2.0 | 20.4 | 19.8 | -0.6 |
| Leeds North East Constituency | 28.3 | 27.6 | -0.7 | 20.6 | 20.3 | -0.3 |
| Leeds North West Constituency | 26.9 | 26.8 | -0.1 | 20.6 | 19.5 | -1.1 |
| Leeds West Constituency | 28.5 | 26.1 | -2.4 | 20.9 | 19.4 | -1.5 |
| Leicester East Constituency | 26.6 | 26.3 | -0.3 | 22.6 | 23 | 0.4 |
| Leicester South Constituency | 27 | 26.2 | -0.8 | 24.2 | 24.7 | 0.5 |
| Leicester West Constituency | 25.6 | 24.5 | -1.1 | 21.9 | 21.1 | -0.8 |
| Leigh Constituency | 29 | 26.9 | -2.1 | 21.6 | 21.3 | -0.3 |
| Leominster Constituency | 24 | 23.6 | -0.4 | 20.8 | 20.8 | 0.0 |
| Lewes Constituency | 27.8 | 26.3 | -1.5 | 21.3 | 23.6 | 2.3 |
| Lewisham East Constituency | 26.1 | 25.6 | -0.5 | 21.1 | 23.2 | 2.1 |
| Lewisham West Constituency | 26.4 | 26.3 | -0.1 | 21.4 | 21.6 | 0.2 |
| Lewisham, Deptford Constituency | 25.7 | 25.4 | -0.3 | 19.8 | 21.3 | 1.5 |
| Leyton and Wanstead Constituency | 26.1 | 27.8 | 1.7 | 23.5 | 22.8 | -0.7 |
| Lichfield Constituency | 27.3 | 26.1 | -1.2 | 21.9 | 21.1 | -0.8 |
| Lincoln Constituency | 27.4 | 26.7 | -0.7 | 20 | 20.2 | 0.2 |
| Liverpool, Garston Constituency | 27 | 24.8 | -2.2 | 20.7 | 20.3 | -0.4 |
| Liverpool, Riverside Constituency | 25.1 | 23.3 | -1.8 | 21.8 | 21 | -0.8 |
| Liverpool, Walton Constituency | 26.7 | 25.2 | -1.5 | 22.7 | 19.2 | -3.5 |
| Liverpool, Wavertree Constituency | 28.1 | 24.6 | -3.5 | 20.7 | 19.5 | -1.2 |
| Liverpool, West Derby Constituency | 27.1 | 26.2 | -0.9 | 20.5 | 20.6 | 0.1 |
| Loughborough Constituency | 27.6 | 26.4 | -1.2 | 21.4 | 20.9 | -0.5 |
| Louth and Horncastle Constituency | 26 | 25 | -1.0 | 19.7 | 20.3 | 0.6 |
| Ludlow Constituency | 26.4 | 25.8 | -0.6 | 20.2 | 21.5 | 1.3 |
| Luton North Constituency | 27.7 | 27.5 | -0.2 | 23.1 | 21.8 | -1.3 |
| Luton South Constituency | 28.5 | 27.2 | -1.3 | 23.2 | 22.8 | -0.4 |
| Macclesfield Constituency | 27.9 | 24.9 | -3.0 | 21 | 21 | 0.0 |
| Maidenhead Constituency | 27.7 | 25.6 | -2.1 | 20.2 | 19.5 | -0.7 |
| Maidstone and The Weald Constituency | 27.6 | 27.1 | -0.5 | 19.8 | 20.7 | 0.9 |
| Makerfield Constituency | 28 | 26.8 | -1.2 | 22.1 | 22.1 | 0.0 |
| Maldon and East Chelmsford Constituency | 27.6 | 27.1 | -0.5 | 19.5 | 20.1 | 0.6 |
| Manchester, Blackley Constituency | 27 | 26.3 | -0.7 | 23 | 21.7 | -1.3 |
| Manchester, Central Constituency | 26.4 | 26 | -0.4 | 22.1 | 22.6 | 0.5 |
| Manchester, Gorton Constituency | 28 | 28.5 | 0.5 | 20.9 | 22.8 | 1.9 |
| Manchester, Withington Constituency | 27.8 | 28 | 0.2 | 22.1 | 20.8 | -1.3 |
| Mansfield Constituency | 29.1 | 26.5 | -2.6 | 23.1 | 21.4 | -1.7 |
| Medway Constituency | 27.4 | 25 | -2.4 | 20.2 | 20.4 | 0.2 |
| Meriden Constituency | 27.6 | 25.3 | -2.3 | 21.5 | 20.9 | -0.6 |
| Mid Bedfordshire Constituency | 26.1 | 24.5 | -1.6 | 22.1 | 21.3 | -0.8 |
| Mid Dorset and North Poole Constituency | 28.7 | 26.8 | -1.9 | 21 | 21 | 0.0 |
| Mid Norfolk Constituency | 26.1 | 25.7 | -0.4 | 20.7 | 24.1 | 3.4 |
| Mid Sussex Constituency | 27.2 | 27 | -0.2 | 22 | 21.7 | -0.3 |
| Mid Worcestershire Constituency | 26.3 | 25.1 | -1.2 | 21.7 | 19.8 | -1.9 |
| Middlesbrough Constituency | 26.6 | 23.8 | -2.8 | 22 | 19.5 | -2.5 |
| Middlesbrough South and East Cleveland Constituency | 26.3 | 24 | -2.3 | 22.3 | 21.2 | -1.1 |
| Milton Keynes South West Constituency | 28.1 | 26.2 | -1.9 | 22.6 | 22.1 | -0.5 |
| Mitcham and Morden Constituency | 26.8 | 26.4 | -0.4 | 23.9 | 22.9 | -1.0 |
| Mole Valley Constituency | 25.7 | 26.5 | 0.8 | 21.5 | 21.2 | -0.3 |
| Morecambe and Lunesdale Constituency | 29.3 | 27 | -2.3 | 21 | 19 | -2.0 |
| Morley and Rothwell Constituency | 28.6 | 26.5 | -2.1 | 21.1 | 19.4 | -1.7 |
| New Forest East Constituency | 27.1 | 26.6 | -0.5 | 21.3 | 21.8 | 0.5 |
| New Forest West Constituency | 27.7 | 26.3 | -1.4 | 19.7 | 20 | 0.3 |
| Newark Constituency | 28.5 | 25.8 | -2.7 | 21.4 | 21.3 | -0.1 |
| Newbury Constituency | 25.9 | 24.4 | -1.5 | 20.7 | 19.8 | -0.9 |
| Newcastle upon Tyne Central Constituency | 27.9 | 26.8 | -1.1 | 19.9 | 20.8 | 0.9 |
| Newcastle upon Tyne East and Wallsend Constituency | 27.8 | 25.1 | -2.7 | 21.9 | 20.3 | -1.6 |
| Newcastle upon Tyne North Constituency | 28.4 | 25.8 | -2.6 | 23 | 20.1 | -2.9 |
| Newcastle-under-Lyme Constituency | 27.8 | 26.2 | -1.6 | 23.3 | 22.5 | -0.8 |
| Normanton Constituency | 28.7 | 27.2 | -1.5 | 21.5 | 22.3 | 0.8 |
| North Cornwall Constituency | 26.8 | 25.8 | -1.0 | 21 | 20.5 | -0.5 |
| North Devon Constituency | 26.9 | 25 | -1.9 | 23 | 22.8 | -0.2 |
| North Dorset Constituency | 26.8 | 24.1 | -2.7 | 22.3 | 20.9 | -1.4 |
| North Durham Constituency | 29 | 25.8 | -3.2 | 22.6 | 21.9 | -0.7 |
| North East Bedfordshire Constituency | 25.3 | 23.7 | -1.6 | 21.9 | 21.2 | -0.7 |
| North East Cambridgeshire Constituency | 28.5 | 27.9 | -0.6 | 23.2 | 22.2 | -1.0 |
| North East Derbyshire Constituency | 30.8 | 26.3 | -4.5 | 21.4 | 22.6 | 1.2 |
| North East Hampshire Constituency | 28.8 | 28.2 | -0.6 | 21.8 | 22.7 | 0.9 |
| North East Hertfordshire Constituency | 25.1 | 25.1 | 0.0 | 19.3 | 20.1 | 0.8 |
| North East Milton Keynes Constituency | 27.6 | 25 | -2.6 | 22.2 | 21.9 | -0.3 |
| North Essex Constituency | 26.4 | 26.4 | 0.0 | 22.3 | 21 | -1.3 |
| North Norfolk Constituency | 25.2 | 24.8 | -0.4 | 21.5 | 21.5 | 0.0 |
| North Shropshire Constituency | 26.1 | 26.3 | 0.2 | 21.3 | 21.9 | 0.6 |
| North Southwark and Bermondsey Constituency | 26.4 | 24.9 | -1.5 | 23.5 | 21.3 | -2.2 |
| North Swindon Constituency | 28 | 26.9 | -1.1 | 23.3 | 24.2 | 0.9 |
| North Thanet Constituency | 29 | 27.5 | -1.5 | 22 | 21.1 | -0.9 |
| North Tyneside Constituency | 26.3 | 24.5 | -1.8 | 21.2 | 19.6 | -1.6 |
| North Warwickshire Constituency | 28.7 | 26.5 | -2.2 | 22 | 22.7 | 0.7 |
| North West Durham Constituency | 27.5 | 24.1 | -3.4 | 23.3 | 20.9 | -2.4 |
| North West Hampshire Constituency | 27.5 | 26.3 | -1.2 | 22.5 | 23.1 | 0.6 |
| North West Leicestershire Constituency | 26.4 | 25.5 | -0.9 | 22.6 | 21.7 | -0.9 |
| North West Norfolk Constituency | 25 | 24.2 | -0.8 | 20.6 | 21 | 0.4 |
| North WestCambridgeshire Constituency | 28 | 26.2 | -1.8 | 21.1 | 21.5 | 0.4 |
| North Wiltshire Constituency | 27.3 | 26.6 | -0.7 | 21.5 | 21.7 | 0.2 |
| Northampton North Constituency | 27.6 | 25.7 | -1.9 | 22.2 | 21.3 | -0.9 |
| Northampton South Constituency | 27.1 | 25.9 | -1.2 | 21.3 | 21.6 | 0.3 |
| Northavon Constituency | 27.6 | 26.4 | -1.2 | 21.8 | 20.1 | -1.7 |
| Norwich North Constituency | 26.3 | 25.7 | -0.6 | 19.4 | 20.4 | 1.0 |
| Norwich South Constituency | 26.1 | 25.5 | -0.6 | 19.9 | 19.3 | -0.6 |
| Nottingham East Constituency | 28 | 24.8 | -3.2 | 21.9 | 19.7 | -2.2 |
| Nottingham North Constituency | 28.7 | 25.2 | -3.5 | 21.4 | 20.1 | -1.3 |
| Nottingham South Constituency | 28.2 | 25.6 | -2.6 | 22.6 | 21.4 | -1.2 |
| Nuneaton Constituency | 28.8 | 27.2 | -1.6 | 24.2 | 23.4 | -0.8 |
| Old Bexley and Sidcup Constituency | 29 | 27.7 | -1.3 | 21.9 | 21.5 | -0.4 |
| Oldham East and Saddleworth Constituency | 29.6 | 26.7 | -2.9 | 21.4 | 20.8 | -0.6 |
| Oldham West and Royton Constituency | 29.1 | 28.1 | -1.0 | 22.5 | 21.1 | -1.4 |
| Orpington Constituency | 27.2 | 26.2 | -1.0 | 20 | 21.1 | 1.1 |
| Oxford East Constituency | 26.8 | 27.1 | 0.3 | 24.4 | 21.3 | -3.1 |
| Oxford West and Abingdon Constituency | 28 | 26.3 | -1.7 | 21.4 | 20 | -1.4 |
| Pendle Constituency | 28.4 | 26.7 | -1.7 | 23.2 | 22.4 | -0.8 |
| Penrith and The Border Constituency | 24.5 | 22.8 | -1.7 | 20.3 | 20.3 | 0.0 |
| Peterborough Constituency | 28.6 | 27.5 | -1.1 | 20.5 | 20.2 | -0.3 |
| Plymouth, Devonport Constituency | 27.7 | 25.7 | -2.0 | 21.9 | 20.5 | -1.4 |
| Plymouth, Sutton Constituency | 28.4 | 26.6 | -1.8 | 21.6 | 21.4 | -0.2 |
| Pontefract and Castleford Constituency | 28 | 26.3 | -1.7 | 22.7 | 22.7 | 0.0 |
| Poole Constituency | 28.1 | 27 | -1.1 | 19.7 | 18.9 | -0.8 |
| Poplar and Canning Town Constituency | 26.8 | 26.4 | -0.4 | 24.3 | 21.9 | -2.4 |
| Portsmouth North Constituency | 28.5 | 27.2 | -1.3 | 23.4 | 22.8 | -0.6 |
| Portsmouth South Constituency | 27.2 | 25.7 | -1.5 | 22.7 | 23.3 | 0.6 |
| Preston Constituency | 28.4 | 26 | -2.4 | 21.7 | 20.1 | -1.6 |
| Pudsey Constituency | 29.1 | 27.8 | -1.3 | 20.9 | 20.7 | -0.2 |
| Putney Constituency | 26 | 25.6 | -0.4 | 21.5 | 21 | -0.5 |
| Rayleigh Constituency | 27 | 26.8 | -0.2 | 22 | 21.2 | -0.8 |
| Reading East Constituency | 27.7 | 26 | -1.7 | 19.9 | 20.2 | 0.3 |
| Reading West Constituency | 26.8 | 26.2 | -0.6 | 21.4 | 19.4 | -2.0 |
| Redcar Constituency | 27.8 | 24.1 | -3.7 | 22.1 | 21 | -1.1 |
| Redditch Constituency | 26.5 | 25.4 | -1.1 | 21.9 | 21.9 | 0.0 |
| Regent's Park and Kensington North Constituency | 24 | 25.5 | 1.5 | 22.3 | 21.2 | -1.1 |
| Reigate Constituency | 27.1 | 26.9 | -0.2 | 22.6 | 23.7 | 1.1 |
| Ribble Valley Constituency | 29.1 | 27 | -2.1 | 22.3 | 22 | -0.3 |
| Richmond (Yorks) Constituency | 25.7 | 24.2 | -1.5 | 20.2 | 19.3 | -0.9 |
| Richmond Park Constituency | 27.9 | 27.8 | -0.1 | 22.1 | 22.3 | 0.2 |
| Rochdale Constituency | 29.5 | 27 | -2.5 | 22.1 | 22 | -0.1 |
| Rochford and Southend East Constituency | 27.6 | 26.6 | -1.0 | 21.3 | 20.6 | -0.7 |
| Romford Constituency | 27.7 | 26.8 | -0.9 | 21.2 | 20.6 | -0.6 |
| Romsey Constituency | 27.6 | 27.1 | -0.5 | 21.4 | 23.1 | 1.7 |
| Rossendale and Darwen Constituency | 29.3 | 25.4 | -3.9 | 22.9 | 21.9 | -1.0 |
| Rother Valley Constituency | 27.7 | 26.6 | -1.1 | 20.6 | 18.8 | -1.8 |
| Rotherham Constituency | 28 | 27.2 | -0.8 | 24.2 | 22.5 | -1.7 |
| Rugby and Kenilworth Constituency | 29 | 26.1 | -2.9 | 22.1 | 21 | -1.1 |
| Ruislip-Northwood Constituency | 27.6 | 26.4 | -1.2 | 20.1 | 18.6 | -1.5 |
| Runnymede and Weybridge Constituency | 26.1 | 26.7 | 0.6 | 21.2 | 24 | 2.8 |
| Rushcliffe Constituency | 28.9 | 26.6 | -2.3 | 20.7 | 20.6 | -0.1 |
| Rutland and Melton Constituency | 25.5 | 24.7 | -0.8 | 21.2 | 23.3 | 2.1 |
| Ryedale Constituency | 27.3 | 24.4 | -2.9 | 21.1 | 21 | -0.1 |
| Saffron Walden Constituency | 26.9 | 25.3 | -1.6 | 20.5 | 20.5 | 0.0 |
| Salford Constituency | 26 | 24.7 | -1.3 | 21.4 | 20 | -1.4 |
| Salisbury Constituency | 26 | 25.2 | -0.8 | 20.8 | 21.2 | 0.4 |
| Scarborough and Whitby Constituency | 26.7 | 24.4 | -2.3 | 21.2 | 21.2 | 0.0 |
| Scunthorpe Constituency | 28.8 | 28 | -0.8 | 22.8 | 21.7 | -1.1 |
| Sedgefield Constituency | 28.2 | 25.5 | -2.7 | 22.2 | 21.1 | -1.1 |
| Selby Constituency | 27.4 | 24.9 | -2.5 | 22 | 20.7 | -1.3 |
| Sevenoaks Constituency | 27.9 | 26.6 | -1.3 | 21.2 | 21.8 | 0.6 |
| Sheffield Central Constituency | 25.2 | 28.2 | 3.0 | 22.9 | 22.3 | -0.6 |
| Sheffield, Attercliffe Constituency | 28 | 27.6 | -0.4 | 24.1 | 24.8 | 0.7 |
| Sheffield, Brightside Constituency | 26.7 | 27.3 | 0.6 | 23.4 | 23.2 | -0.2 |
| Sheffield, Hallam Constituency | 27.9 | 29 | 1.1 | 20.4 | 19.7 | -0.7 |
| Sheffield, Heeley Constituency | 26.5 | 27.2 | 0.7 | 24.2 | 22.6 | -1.6 |
| Sheffield, Hillsborough Constituency | 27.5 | 27 | -0.5 | 23.8 | 24.3 | 0.5 |
| Sherwood Constituency | 28.6 | 26.1 | -2.5 | 21 | 21.2 | 0.2 |
| Shipley Constituency | 27.6 | 27.1 | -0.5 | 22.8 | 21.4 | -1.4 |
| Shrewsbury and Atcham Constituency | 27.3 | 26.9 | -0.4 | 23 | 22.3 | -0.7 |
| Sittingbourne and Sheppey Constituency | 27.9 | 26.4 | -1.5 | 20.9 | 22.3 | 1.4 |
| Skipton and Ripon Constituency | 24.8 | 23.4 | -1.4 | 20.6 | 20.2 | -0.4 |
| Sleaford and North Hykeham Constituency | 26.6 | 25.6 | -1.0 | 19.9 | 21 | 1.1 |
| Slough Constituency | 27.8 | 28 | 0.2 | 20.4 | 20.6 | 0.2 |
| Solihull Constituency | 28.3 | 26.6 | -1.7 | 22.3 | 23 | 0.7 |
| Somerton and Frome Constituency | 26.9 | 25.5 | -1.4 | 22.8 | 21.3 | -1.5 |
| South Cambridgeshire Constituency | 27.6 | 26.2 | -1.4 | 23.2 | 24.3 | 1.1 |
| South Derbyshire Constituency | 29.1 | 26.9 | -2.2 | 20.9 | 21.4 | 0.5 |
| South Dorset Constituency | 27.8 | 25.6 | -2.2 | 24.9 | 23.4 | -1.5 |
| South East Cambridgeshire Constituency | 28.6 | 27 | -1.6 | 23.8 | 23.1 | -0.7 |
| South East Cornwall Constituency | 27.3 | 25.5 | -1.8 | 22.2 | 21.1 | -1.1 |
| South Holland and The Deepings Constituency | 26.8 | 26.9 | 0.1 | 21 | 21.3 | 0.3 |
| South Norfolk Constituency | 25.3 | 24.7 | -0.6 | 19.6 | 20.8 | 1.2 |
| South Ribble Constituency | 30.1 | 27.1 | -3.0 | 23.1 | 22.1 | -1.0 |
| South Shields Constituency | 27.4 | 24.9 | -2.5 | 22.7 | 20.8 | -1.9 |
| South Staffordshire Constituency | 28.1 | 25.9 | -2.2 | 22.1 | 20.7 | -1.4 |
| South Suffolk Constituency | 23.9 | 23.2 | -0.7 | 22.6 | 22.8 | 0.2 |
| South Swindon Constituency | 28.3 | 26.9 | -1.4 | 23.5 | 23.3 | -0.2 |
| South Thanet Constituency | 29.6 | 28.5 | -1.1 | 20.4 | 19.9 | -0.5 |
| South West Bedfordshire Constituency | 28.3 | 24.8 | -3.5 | 22.9 | 22.1 | -0.8 |
| South West Devon Constituency | 28.3 | 26.8 | -1.5 | 21.4 | 21.5 | 0.1 |
| South West Hertfordshire Constituency | 26.9 | 26.5 | -0.4 | 20.4 | 20.3 | -0.1 |
| South West Norfolk Constituency | 25.5 | 25.1 | -0.4 | 19.5 | 21.7 | 2.2 |
| South West Surrey Constituency | 26.1 | 26.7 | 0.6 | 23.1 | 23.7 | 0.6 |
| Southampton, Itchen Constituency | 27 | 27.1 | 0.1 | 23 | 21.8 | -1.2 |
| Southampton, Test Constituency | 28.2 | 27.2 | -1.0 | 21.9 | 21.3 | -0.6 |
| Southend West Constituency | 27.7 | 28 | 0.3 | 20.6 | 21 | 0.4 |
| Southport Constituency | 29.2 | 26.5 | -2.7 | 22.4 | 21.4 | -1.0 |
| Spelthorne Constituency | 26.2 | 25.3 | -0.9 | 22.3 | 22.9 | 0.6 |
| St. Albans Constituency | 27.6 | 27.7 | 0.1 | 20.5 | 20.4 | -0.1 |
| St. Helens North Constituency | 28.1 | 27 | -1.1 | 19.3 | 20.5 | 1.2 |
| St. Helens South Constituency | 27.4 | 27.5 | 0.1 | 20.7 | 20.2 | -0.5 |
| St. Ives Constituency | 26.7 | 25.5 | -1.2 | 22.9 | 22.1 | -0.8 |
| Stafford Constituency | 27.3 | 25.9 | -1.4 | 22.4 | 21.3 | -1.1 |
| Staffordshire Moorlands Constituency | 26.2 | 24.1 | -2.1 | 21.1 | 20.4 | -0.7 |
| Stalybridge and Hyde Constituency | 29.1 | 25.8 | -3.3 | 23.7 | 22.4 | -1.3 |
| Stevenage Constituency | 27.1 | 26.3 | -0.8 | 20.5 | 20.2 | -0.3 |
| Stockport Constituency | 27.2 | 26 | -1.2 | 23.2 | 23.9 | 0.7 |
| Stockton North Constituency | 26.8 | 24.4 | -2.4 | 23.6 | 22.3 | -1.3 |
| Stockton South Constituency | 26.8 | 25.4 | -1.4 | 21.5 | 21.4 | -0.1 |
| Stoke-on-Trent Central Constituency | 27.2 | 26.2 | -1.0 | 21.4 | 23 | 1.6 |
| Stoke-on-Trent North Constituency | 28.3 | 27.2 | -1.1 | 23.4 | 22.6 | -0.8 |
| Stoke-on-Trent South Constituency | 27.9 | 26.3 | -1.6 | 23.2 | 21.7 | -1.5 |
| Stone Constituency | 27.2 | 24.5 | -2.7 | 23.4 | 21.5 | -1.9 |
| Stourbridge Constituency | 26.1 | 26.3 | 0.2 | 22.5 | 21.7 | -0.8 |
| Stratford-on-Avon Constituency | 28.2 | 25.6 | -2.6 | 21.4 | 20.1 | -1.3 |
| Streatham Constituency | 25.5 | 26.6 | 1.1 | 22.6 | 21.1 | -1.5 |
| Stretford and Urmston Constituency | 28.2 | 26.5 | -1.7 | 21.3 | 19.6 | -1.7 |
| Stroud Constituency | 27.2 | 25.5 | -1.7 | 22.1 | 20.8 | -1.3 |
| Suffolk Coastal Constituency | 24.7 | 24.1 | -0.6 | 21.3 | 21 | -0.3 |
| Sunderland North Constituency | 25.9 | 24.3 | -1.6 | 21.8 | 20.7 | -1.1 |
| Sunderland South Constituency | 26.2 | 25.4 | -0.8 | 21.5 | 19.9 | -1.6 |
| Surrey Heath Constituency | 25.7 | 26.8 | 1.1 | 20.7 | 21.5 | 0.8 |
| Sutton Coldfield Constituency | 28.4 | 27.1 | -1.3 | 21.7 | 20.1 | -1.6 |
| Sutton and Cheam Constituency | 28.1 | 28.5 | 0.4 | 21.2 | 20.7 | -0.5 |
| Tamworth Constituency | 27.5 | 25.4 | -2.1 | 21.5 | 20.5 | -1.0 |
| Tatton Constituency | 26.9 | 25.7 | -1.2 | 21.1 | 21.8 | 0.7 |
| Taunton Constituency | 28.3 | 26.2 | -2.1 | 23.4 | 24.5 | 1.1 |
| Teignbridge Constituency | 27.6 | 26 | -1.6 | 19.9 | 21.9 | 2.0 |
| Telford Constituency | 28.3 | 27.2 | -1.1 | 23.9 | 21.3 | -2.6 |
| Tewkesbury Constituency | 28.3 | 26 | -2.3 | 21.6 | 20.1 | -1.5 |
| The Wrekin Constituency | 28.8 | 27.5 | -1.3 | 21.8 | 22.3 | 0.5 |
| Thurrock Constituency | 27.3 | 26.9 | -0.4 | 22.8 | 23.5 | 0.7 |
| Tiverton and Honiton Constituency | 26.2 | 26.1 | -0.1 | 21.5 | 20.7 | -0.8 |
| Tonbridge and Malling Constituency | 27.6 | 25.9 | -1.7 | 20.2 | 20 | -0.2 |
| Tooting Constituency | 26.3 | 26.2 | -0.1 | 22.1 | 21.8 | -0.3 |
| Torbay Constituency | 29.1 | 27.4 | -1.7 | 21.4 | 19.3 | -2.1 |
| Torridge and West Devon Constituency | 26.2 | 24.3 | -1.9 | 21.1 | 21.5 | 0.4 |
| Totnes Constituency | 27.4 | 25.8 | -1.6 | 20.3 | 20.9 | 0.6 |
| Tottenham Constituency | 27.1 | 27.2 | 0.1 | 21.5 | 21.8 | 0.3 |
| Truro and St. Austell Constituency | 27.5 | 27 | -0.5 | 23.1 | 23.6 | 0.5 |
| Tunbridge Wells Constituency | 28.3 | 28.2 | -0.1 | 19.4 | 22.1 | 2.7 |
| Twickenham Constituency | 27.6 | 26.9 | -0.7 | 23.3 | 23 | -0.3 |
| Tyne Bridge Constituency | 25.6 | 24.1 | -1.5 | 21.4 | 20.7 | -0.7 |
| Tynemouth Constituency | 27.6 | 26.4 | -1.2 | 22 | 21 | -1.0 |
| Upminster Constituency | 27.6 | 26.8 | -0.8 | 21.2 | 20.8 | -0.4 |
| Uxbridge Constituency | 26.9 | 26.4 | -0.5 | 21 | 19.5 | -1.5 |
| Vale of York Constituency | 25.7 | 24 | -1.7 | 21.1 | 20.5 | -0.6 |
| Vauxhall Constituency | 24.3 | 24.7 | 0.4 |
