St Albans: wards that bucked the trend
St Albans: in 2024, 31 ward results beat the expected swing and 37 trailed it. The biggest gap was Green in Batchwood (+22.3 pts actual vs +2.0 pts expected).
Expected swing is how much a party's share moved across comparable councils in the same year. A positive gap means the party did better locally than that trend; negative means worse.
| Year | Ward | Party | Actual swing | Expected swing | Gap |
|---|---|---|---|---|---|
| 2024 | Batchwood | Green | +22.3 pts | +2.0 pts | +20.3 pts |
| 2024 | Cunningham | Conservative | -18.4 pts | -6.0 pts | -12.3 pts |
| 2024 | Sandridge and Wheathampstead | Conservative | -17.8 pts | -6.0 pts | -11.8 pts |
| 2024 | St Peters | Conservative | +5.6 pts | -6.0 pts | +11.7 pts |
| 2024 | Bernards Heath | Conservative | -16.0 pts | -6.0 pts | -10.0 pts |
| 2024 | Harpenden West | Liberal Democrats | -10.9 pts | -1.0 pts | -9.9 pts |
| 2024 | London Colney | Liberal Democrats | -9.9 pts | -1.0 pts | -8.9 pts |
| 2024 | Batchwood | Liberal Democrats | -8.9 pts | -1.0 pts | -7.9 pts |
| 2024 | Sandridge and Wheathampstead | Liberal Democrats | +6.9 pts | -1.0 pts | +7.9 pts |
| 2024 | Marshalswick East and Jersey Farm | Conservative | +1.8 pts | -6.0 pts | +7.8 pts |
| 2024 | St Peters | Green | -5.7 pts | +2.0 pts | -7.8 pts |
| 2024 | Cunningham | Liberal Democrats | +6.6 pts | -1.0 pts | +7.6 pts |
| 2024 | Batchwood | Labour | -4.5 pts | +2.9 pts | -7.5 pts |
| 2024 | Sopwell | Green | -5.4 pts | +2.0 pts | -7.4 pts |
| 2024 | Harpenden West | Labour | +10.3 pts | +2.9 pts | +7.4 pts |
| 2024 | Harpenden South | Liberal Democrats | +6.0 pts | -1.0 pts | +7.0 pts |
| 2024 | Harpenden North and Rural | Conservative | +0.8 pts | -6.0 pts | +6.9 pts |
| 2024 | Clarence | Conservative | +0.8 pts | -6.0 pts | +6.8 pts |
| 2024 | Verulam | Labour | -3.8 pts | +2.9 pts | -6.8 pts |
| 2024 | Harpenden North and Rural | Liberal Democrats | +4.7 pts | -1.0 pts | +5.7 pts |
| 2024 | London Colney | Labour | +8.3 pts | +2.9 pts | +5.3 pts |
| 2024 | Verulam | Liberal Democrats | +4.3 pts | -1.0 pts | +5.2 pts |
| 2024 | Bernards Heath | Liberal Democrats | +4.1 pts | -1.0 pts | +5.1 pts |
| 2024 | Sandridge and Wheathampstead | Green | +7.1 pts | +2.0 pts | +5.1 pts |
| 2024 | Clarence | Liberal Democrats | -6.0 pts | -1.0 pts | -5.1 pts |
| 2024 | Hill End | Liberal Democrats | +4.1 pts | -1.0 pts | +5.0 pts |
| 2024 | Sopwell | Conservative | -1.7 pts | -6.0 pts | +4.3 pts |
| 2024 | Verulam | Conservative | -1.8 pts | -6.0 pts | +4.3 pts |
| 2024 | Hill End | Conservative | -2.0 pts | -6.0 pts | +4.1 pts |
| 2024 | Harpenden West | Conservative | -2.3 pts | -6.0 pts | +3.8 pts |
| 2024 | Hill End | Labour | -0.7 pts | +2.9 pts | -3.6 pts |
| 2024 | Hill End | Green | -1.4 pts | +2.0 pts | -3.4 pts |
| 2024 | St Stephen | Liberal Democrats | -4.3 pts | -1.0 pts | -3.3 pts |
| 2024 | Marshalswick East and Jersey Farm | Labour | -0.2 pts | +2.9 pts | -3.2 pts |
| 2024 | Park Street | Liberal Democrats | -4.1 pts | -1.0 pts | -3.1 pts |
| 2024 | Harpenden East | Liberal Democrats | +2.0 pts | -1.0 pts | +3.0 pts |
| 2024 | St Peters | Labour | +0.3 pts | +2.9 pts | -2.6 pts |
| 2024 | Marshalswick East and Jersey Farm | Green | -0.6 pts | +2.0 pts | -2.6 pts |
| 2024 | Harpenden South | Green | -0.6 pts | +2.0 pts | -2.6 pts |
| 2024 | Batchwood | Conservative | -8.6 pts | -6.0 pts | -2.5 pts |
| 2024 | Harpenden South | Labour | +0.4 pts | +2.9 pts | -2.5 pts |
| 2024 | Clarence | Green | +4.4 pts | +2.0 pts | +2.4 pts |
| 2024 | Park Street | Labour | +0.7 pts | +2.9 pts | -2.3 pts |
| 2024 | Harpenden East | Conservative | -3.8 pts | -6.0 pts | +2.3 pts |
| 2024 | Harpenden East | Green | -0.2 pts | +2.0 pts | -2.3 pts |
| 2024 | Clarence | Labour | +0.8 pts | +2.9 pts | -2.1 pts |
| 2024 | Cunningham | Green | +3.9 pts | +2.0 pts | +1.9 pts |
| 2024 | Sopwell | Labour | +1.3 pts | +2.9 pts | -1.7 pts |
| 2024 | Bernards Heath | Labour | +1.5 pts | +2.9 pts | -1.5 pts |
| 2024 | St Stephen | Green | +1.0 pts | +2.0 pts | -1.1 pts |
| 2024 | Park Street | Conservative | -7.1 pts | -6.0 pts | -1.1 pts |
| 2024 | Cunningham | Labour | +1.9 pts | +2.9 pts | -1.0 pts |
| 2024 | Harpenden North and Rural | Labour | +2.0 pts | +2.9 pts | -1.0 pts |
| 2024 | Harpenden East | Labour | +2.0 pts | +2.9 pts | -1.0 pts |
| 2024 | Sandridge and Wheathampstead | Labour | +3.8 pts | +2.9 pts | +0.9 pts |
| 2024 | Park Street | Green | +1.2 pts | +2.0 pts | -0.8 pts |
| 2024 | Harpenden West | Green | +2.8 pts | +2.0 pts | +0.8 pts |
| 2024 | St Peters | Liberal Democrats | -0.2 pts | -1.0 pts | +0.8 pts |
| 2024 | Sopwell | Liberal Democrats | -0.2 pts | -1.0 pts | +0.8 pts |
| 2024 | Verulam | Green | +1.4 pts | +2.0 pts | -0.7 pts |
| 2024 | London Colney | Green | +2.6 pts | +2.0 pts | +0.6 pts |
| 2024 | London Colney | Conservative | -5.5 pts | -6.0 pts | +0.5 pts |
| 2024 | Sopwell | Communist Party of Britain | -0.4 pts | -0.0 pts | -0.4 pts |
| 2024 | Bernards Heath | Green | +1.8 pts | +2.0 pts | -0.2 pts |
| 2024 | Harpenden South | Conservative | -5.9 pts | -6.0 pts | +0.2 pts |
| 2024 | St Stephen | Labour | +2.8 pts | +2.9 pts | -0.1 pts |
| 2024 | St Stephen | Conservative | -6.1 pts | -6.0 pts | -0.1 pts |
| 2024 | Marshalswick East and Jersey Farm | Liberal Democrats | -0.9 pts | -1.0 pts | +0.0 pts |
| 2023 | Redbourn | Liberal Democrats | +23.3 pts | -6.9 pts | +30.1 pts |
| 2023 | Cunningham | Conservative | +24.5 pts | +3.5 pts | +20.9 pts |
| 2023 | Cunningham | Liberal Democrats | -26.7 pts | -6.9 pts | -19.9 pts |
| 2023 | St Peters | Green | +20.9 pts | +1.4 pts | +19.6 pts |
| 2023 | Bernards Heath | Conservative | +21.4 pts | +3.5 pts | +17.8 pts |
| 2023 | St Peters | Liberal Democrats | -19.4 pts | -6.9 pts | -12.5 pts |
| 2023 | Park Street | Conservative | -7.9 pts | +3.5 pts | -11.4 pts |
| 2023 | Bernards Heath | Green | -9.4 pts | +1.4 pts | -10.8 pts |
| 2023 | Verulam | Liberal Democrats | -17.6 pts | -6.9 pts | -10.7 pts |
| 2023 | Clarence | Green | +12.0 pts | +1.4 pts | +10.7 pts |
| 2023 | London Colney | Conservative | -6.8 pts | +3.5 pts | -10.3 pts |
| 2023 | Park Street | Liberal Democrats | +3.3 pts | -6.9 pts | +10.1 pts |
| 2023 | Bernards Heath | Liberal Democrats | -15.8 pts | -6.9 pts | -9.0 pts |
| 2023 | Verulam | Conservative | +12.1 pts | +3.5 pts | +8.5 pts |
| 2023 | London Colney | Liberal Democrats | +1.0 pts | -6.9 pts | +7.9 pts |
| 2023 | Harpenden West | Liberal Democrats | +0.9 pts | -6.9 pts | +7.8 pts |
| 2023 | Sopwell | Liberal Democrats | -14.2 pts | -6.9 pts | -7.3 pts |
| 2023 | Batchwood | Green | -5.8 pts | +1.4 pts | -7.2 pts |
| 2023 | Sandridge and Wheathampstead | Conservative | -3.4 pts | +3.5 pts | -7.0 pts |
| 2023 | Sandridge and Wheathampstead | Liberal Democrats | -0.3 pts | -6.9 pts | +6.5 pts |
| 2023 | Sopwell | Green | +7.4 pts | +1.4 pts | +6.0 pts |
| 2023 | Harpenden South | Liberal Democrats | -1.0 pts | -6.9 pts | +5.9 pts |
| 2023 | St Stephen | Liberal Democrats | -1.4 pts | -6.9 pts | +5.5 pts |
| 2023 | St Peters | Conservative | -1.5 pts | +3.5 pts | -5.0 pts |
| 2023 | Harpenden East | Liberal Democrats | -11.8 pts | -6.9 pts | -4.9 pts |
| 2023 | Verulam | Labour | +7.7 pts | +3.0 pts | +4.7 pts |
| 2023 | Cunningham | Green | -3.3 pts | +1.4 pts | -4.7 pts |
| 2023 | Marshalswick East and Jersey Farm | Conservative | -1.1 pts | +3.5 pts | -4.7 pts |
| 2023 | Batchwood | Conservative | +8.0 pts | +3.5 pts | +4.5 pts |
| 2023 | Clarence | Liberal Democrats | -11.2 pts | -6.9 pts | -4.4 pts |
| 2023 | Harpenden North and Rural | Conservative | -0.8 pts | +3.5 pts | -4.4 pts |
| 2023 | Harpenden South | Green | -2.9 pts | +1.4 pts | -4.3 pts |
| 2023 | Redbourn | Labour | -1.2 pts | +3.0 pts | -4.3 pts |
| 2023 | London Colney | Labour | +7.0 pts | +3.0 pts | +4.0 pts |
| 2023 | Hill End | Conservative | +7.3 pts | +3.5 pts | +3.8 pts |
| 2023 | Sopwell | Conservative | +7.3 pts | +3.5 pts | +3.8 pts |
| 2023 | Clarence | Conservative | -0.2 pts | +3.5 pts | -3.7 pts |
| 2023 | Harpenden East | Conservative | +7.2 pts | +3.5 pts | +3.7 pts |
| 2023 | Clarence | Labour | -0.6 pts | +3.0 pts | -3.6 pts |
| 2023 | Harpenden West | Green | -2.2 pts | +1.4 pts | -3.6 pts |
| 2023 | Verulam | Green | -2.2 pts | +1.4 pts | -3.6 pts |
| 2023 | Harpenden West | Conservative | +0.1 pts | +3.5 pts | -3.4 pts |
| 2023 | St Peters | Labour | -0.1 pts | +3.0 pts | -3.1 pts |
| 2023 | London Colney | Green | -1.3 pts | +1.4 pts | -2.7 pts |
| 2023 | Cunningham | Labour | +5.6 pts | +3.0 pts | +2.6 pts |
| 2023 | St Stephen | Conservative | +1.1 pts | +3.5 pts | -2.4 pts |
| 2023 | Redbourn | Green | -1.0 pts | +1.4 pts | -2.3 pts |
| 2023 | Redbourn | Conservative | +5.8 pts | +3.5 pts | +2.3 pts |
| 2023 | St Stephen | Green | -0.7 pts | +1.4 pts | -2.1 pts |
| 2023 | Marshalswick East and Jersey Farm | Liberal Democrats | -4.8 pts | -6.9 pts | +2.1 pts |
| 2023 | Harpenden North and Rural | Labour | +4.9 pts | +3.0 pts | +1.9 pts |
| 2023 | Harpenden West | Labour | +1.2 pts | +3.0 pts | -1.8 pts |
| 2023 | Hill End | Labour | +4.7 pts | +3.0 pts | +1.7 pts |
| 2023 | Marshalswick East and Jersey Farm | Labour | +4.6 pts | +3.0 pts | +1.6 pts |
| 2023 | Harpenden North and Rural | Liberal Democrats | -5.3 pts | -6.9 pts | +1.6 pts |
| 2023 | Hill End | Liberal Democrats | -8.3 pts | -6.9 pts | -1.5 pts |
| 2023 | Harpenden South | Labour | +1.6 pts | +3.0 pts | -1.4 pts |
| 2023 | Harpenden South | Conservative | +2.3 pts | +3.5 pts | -1.3 pts |
| 2023 | Park Street | Labour | +4.2 pts | +3.0 pts | +1.2 pts |
| 2023 | Batchwood | Labour | +2.0 pts | +3.0 pts | -1.0 pts |
| 2023 | Park Street | Green | +0.4 pts | +1.4 pts | -1.0 pts |
| 2023 | Bernards Heath | Labour | +3.9 pts | +3.0 pts | +0.9 pts |
| 2023 | Sandridge and Wheathampstead | Labour | +2.5 pts | +3.0 pts | -0.5 pts |
| 2023 | St Stephen | Labour | +2.5 pts | +3.0 pts | -0.5 pts |
| 2023 | Hill End | Green | +1.8 pts | +1.4 pts | +0.4 pts |
| 2023 | Sopwell | Labour | +2.6 pts | +3.0 pts | -0.4 pts |
| 2023 | Harpenden East | Green | +1.8 pts | +1.4 pts | +0.4 pts |
| 2023 | Batchwood | Liberal Democrats | -6.5 pts | -6.9 pts | +0.4 pts |
| 2023 | Harpenden East | Labour | +2.8 pts | +3.0 pts | -0.2 pts |
| 2023 | Sandridge and Wheathampstead | Green | +1.3 pts | +1.4 pts | -0.1 pts |
| 2023 | Harpenden North and Rural | Green | +1.3 pts | +1.4 pts | -0.1 pts |
| 2023 | Marshalswick East and Jersey Farm | Green | +1.3 pts | +1.4 pts | -0.1 pts |
| 2019 | Redbourn | Conservative | -29.1 pts | -9.9 pts | -19.2 pts |
| 2019 | Marshalswick North | Conservative | -26.2 pts | -9.9 pts | -16.2 pts |
| 2019 | Marshalswick North | Liberal Democrats | +23.5 pts | +8.1 pts | +15.4 pts |
| 2019 | Wheathampstead | Liberal Democrats | +22.1 pts | +8.1 pts | +14.0 pts |
| 2019 | St Peters | Green | -10.3 pts | +3.5 pts | -13.8 pts |
| 2019 | Batchwood | Labour | -16.2 pts | -3.4 pts | -12.8 pts |
| 2019 | Wheathampstead | Conservative | -22.4 pts | -9.9 pts | -12.4 pts |
| 2019 | St Peters | Liberal Democrats | +20.5 pts | +8.1 pts | +12.4 pts |
| 2019 | London Colney | Conservative | +2.5 pts | -9.9 pts | +12.4 pts |
| 2019 | Verulam | Conservative | +0.9 pts | -9.9 pts | +10.9 pts |
| 2019 | Sopwell | Liberal Democrats | -1.9 pts | +8.1 pts | -10.0 pts |
| 2019 | Ashley | Liberal Democrats | -1.8 pts | +8.1 pts | -9.9 pts |
| 2019 | Harpenden East | Conservative | -19.5 pts | -9.9 pts | -9.5 pts |
| 2019 | Verulam | Liberal Democrats | -1.1 pts | +8.1 pts | -9.2 pts |
| 2019 | Cunningham | Liberal Democrats | +16.7 pts | +8.1 pts | +8.6 pts |
| 2019 | Batchwood | Liberal Democrats | +16.1 pts | +8.1 pts | +8.0 pts |
| 2019 | Harpenden East | Liberal Democrats | +0.1 pts | +8.1 pts | -8.0 pts |
| 2019 | Redbourn | Liberal Democrats | +0.4 pts | +8.1 pts | -7.7 pts |
| 2019 | Sopwell | Conservative | -3.0 pts | -9.9 pts | +7.0 pts |
| 2019 | Sandridge | Conservative | -3.2 pts | -9.9 pts | +6.7 pts |
| 2019 | Colney Heath | Conservative | -3.3 pts | -9.9 pts | +6.7 pts |
| 2019 | Batchwood | Conservative | -3.5 pts | -9.9 pts | +6.5 pts |
| 2019 | Ashley | Conservative | -3.7 pts | -9.9 pts | +6.2 pts |
| 2019 | Marshalswick South | Conservative | -3.8 pts | -9.9 pts | +6.2 pts |
| 2019 | London Colney | Liberal Democrats | +2.5 pts | +8.1 pts | -5.7 pts |
| 2019 | Harpenden East | Labour | -9.1 pts | -3.4 pts | -5.7 pts |
| 2019 | Marshalswick South | Labour | -8.5 pts | -3.4 pts | -5.1 pts |
| 2019 | Harpenden West | Green | +8.4 pts | +3.5 pts | +5.0 pts |
| 2019 | Park Street | Liberal Democrats | +3.6 pts | +8.1 pts | -4.5 pts |
| 2019 | Marshalswick South | Liberal Democrats | +12.4 pts | +8.1 pts | +4.3 pts |
| 2019 | Harpenden South | Liberal Democrats | +3.8 pts | +8.1 pts | -4.3 pts |
| 2019 | Cunningham | Labour | -7.5 pts | -3.4 pts | -4.1 pts |
| 2019 | Harpenden West | Liberal Democrats | +4.1 pts | +8.1 pts | -4.0 pts |
| 2019 | Harpenden North | Conservative | -6.1 pts | -9.9 pts | +3.9 pts |
| 2019 | Harpenden North | Liberal Democrats | +4.3 pts | +8.1 pts | -3.8 pts |
| 2019 | Harpenden South | Green | +7.2 pts | +3.5 pts | +3.7 pts |
| 2019 | Colney Heath | Liberal Democrats | +4.5 pts | +8.1 pts | -3.6 pts |
| 2019 | Park Street | Green | +7.0 pts | +3.5 pts | +3.5 pts |
| 2019 | London Colney | Labour | +0.1 pts | -3.4 pts | +3.5 pts |
| 2019 | Sopwell | Labour | -0.1 pts | -3.4 pts | +3.3 pts |
| 2019 | St Stephen | Green | +6.8 pts | +3.5 pts | +3.3 pts |
| 2019 | Ashley | Green | +6.3 pts | +3.5 pts | +2.8 pts |
| 2019 | Ashley | Labour | -0.8 pts | -3.4 pts | +2.6 pts |
| 2019 | Harpenden South | Labour | -0.9 pts | -3.4 pts | +2.5 pts |
| 2019 | Clarence | Conservative | -7.5 pts | -9.9 pts | +2.5 pts |
| 2019 | St Peters | Conservative | -7.5 pts | -9.9 pts | +2.4 pts |
| 2019 | St Stephen | Liberal Democrats | +5.7 pts | +8.1 pts | -2.4 pts |
| 2019 | Cunningham | Conservative | -7.6 pts | -9.9 pts | +2.3 pts |
| 2019 | Sandridge | Liberal Democrats | +5.8 pts | +8.1 pts | -2.3 pts |
| 2019 | Clarence | Liberal Democrats | +6.1 pts | +8.1 pts | -2.0 pts |
| 2019 | Colney Heath | Labour | -5.3 pts | -3.4 pts | -1.8 pts |
| 2019 | Sandridge | Labour | -5.2 pts | -3.4 pts | -1.8 pts |
| 2019 | Park Street | Conservative | -8.2 pts | -9.9 pts | +1.7 pts |
| 2019 | St Stephen | Labour | -1.8 pts | -3.4 pts | +1.7 pts |
| 2019 | Redbourn | Labour | -5.0 pts | -3.4 pts | -1.6 pts |
| 2019 | Sopwell | Green | +5.0 pts | +3.5 pts | +1.5 pts |
| 2019 | Harpenden North | Green | +5.0 pts | +3.5 pts | +1.5 pts |
| 2019 | Cunningham | Green | +2.1 pts | +3.5 pts | -1.4 pts |
| 2019 | Marshalswick South | Green | +2.1 pts | +3.5 pts | -1.4 pts |
| 2019 | Marshalswick North | Green | +4.8 pts | +3.5 pts | +1.3 pts |
| 2019 | Marshalswick North | Labour | -2.1 pts | -3.4 pts | +1.3 pts |
| 2019 | Harpenden West | Conservative | -8.7 pts | -9.9 pts | +1.3 pts |
| 2019 | Park Street | Labour | -2.3 pts | -3.4 pts | +1.1 pts |
| 2019 | Wheathampstead | Green | +4.5 pts | +3.5 pts | +1.0 pts |
| 2019 | Clarence | Labour | -2.5 pts | -3.4 pts | +0.9 pts |
| 2019 | Sandridge | Green | +2.7 pts | +3.5 pts | -0.8 pts |
| 2019 | Wheathampstead | Labour | -4.2 pts | -3.4 pts | -0.8 pts |
| 2019 | St Stephen | Conservative | -10.7 pts | -9.9 pts | -0.7 pts |
| 2019 | London Colney | Green | +4.2 pts | +3.5 pts | +0.7 pts |
| 2019 | St Peters | Labour | -2.7 pts | -3.4 pts | +0.7 pts |
| 2019 | Colney Heath | Green | +4.0 pts | +3.5 pts | +0.5 pts |
| 2019 | Harpenden West | Labour | -3.9 pts | -3.4 pts | -0.5 pts |
| 2019 | Clarence | Green | +3.9 pts | +3.5 pts | +0.4 pts |
| 2019 | Verulam | Green | +3.7 pts | +3.5 pts | +0.2 pts |
| 2019 | Harpenden North | Labour | -3.2 pts | -3.4 pts | +0.2 pts |
| 2019 | Verulam | Labour | -3.6 pts | -3.4 pts | -0.2 pts |
| 2019 | Harpenden South | Conservative | -10.0 pts | -9.9 pts | -0.1 pts |
| 2019 | Batchwood | Green | +3.5 pts | +3.5 pts | +0.1 pts |
| 2018 | Redbourn | Conservative | +28.1 pts | +3.4 pts | +24.7 pts |
| 2018 | Marshalswick North | Liberal Democrats | -10.2 pts | +8.9 pts | -19.1 pts |
| 2018 | Marshalswick North | Conservative | +21.4 pts | +3.4 pts | +18.0 pts |
| 2018 | Marshalswick South | Liberal Democrats | +23.4 pts | +8.9 pts | +14.5 pts |
| 2018 | Batchwood | Conservative | -9.9 pts | +3.4 pts | -13.3 pts |
| 2018 | Marshalswick South | Conservative | -9.0 pts | +3.4 pts | -12.4 pts |
| 2018 | Park Street | Liberal Democrats | -3.2 pts | +8.9 pts | -12.1 pts |
| 2018 | Ashley | Liberal Democrats | +20.4 pts | +8.9 pts | +11.5 pts |
| 2018 | London Colney | Labour | -13.7 pts | -2.2 pts | -11.4 pts |
| 2018 | Park Street | Conservative | +14.4 pts | +3.4 pts | +11.0 pts |
| 2018 | Cunningham | Liberal Democrats | -2.0 pts | +8.9 pts | -10.9 pts |
| 2018 | Harpenden North | Liberal Democrats | +18.6 pts | +8.9 pts | +9.7 pts |
| 2018 | Verulam | Conservative | -6.2 pts | +3.4 pts | -9.6 pts |
| 2018 | Wheathampstead | Liberal Democrats | -0.7 pts | +8.9 pts | -9.6 pts |
| 2018 | Redbourn | Labour | +7.1 pts | -2.2 pts | +9.3 pts |
| 2018 | Cunningham | Labour | +6.6 pts | -2.2 pts | +8.9 pts |
| 2018 | Harpenden East | Liberal Democrats | +17.6 pts | +8.9 pts | +8.7 pts |
| 2018 | St Stephen | Liberal Democrats | +0.3 pts | +8.9 pts | -8.6 pts |
| 2018 | Ashley | Labour | -10.4 pts | -2.2 pts | -8.2 pts |
| 2018 | Ashley | Conservative | -3.3 pts | +3.4 pts | -6.7 pts |
| 2018 | Batchwood | Labour | +4.5 pts | -2.2 pts | +6.7 pts |
| 2018 | Marshalswick South | Green | -5.2 pts | +0.3 pts | -5.5 pts |
| 2018 | Harpenden East | Labour | +3.1 pts | -2.2 pts | +5.3 pts |
| 2018 | Batchwood | Liberal Democrats | +14.2 pts | +8.9 pts | +5.3 pts |
| 2018 | St Stephen | Conservative | +8.4 pts | +3.4 pts | +5.0 pts |
| 2018 | St Peters | Liberal Democrats | +3.9 pts | +8.9 pts | -4.9 pts |
| 2018 | Marshalswick South | Labour | -6.7 pts | -2.2 pts | -4.5 pts |
| 2018 | Wheathampstead | Conservative | +7.4 pts | +3.4 pts | +4.0 pts |
| 2018 | Harpenden South | Conservative | -0.6 pts | +3.4 pts | -4.0 pts |
| 2018 | Verulam | Liberal Democrats | +12.9 pts | +8.9 pts | +4.0 pts |
| 2018 | Harpenden South | Liberal Democrats | +5.2 pts | +8.9 pts | -3.7 pts |
| 2018 | Sopwell | Conservative | -0.1 pts | +3.4 pts | -3.5 pts |
| 2018 | Harpenden South | Labour | +1.2 pts | -2.2 pts | +3.4 pts |
| 2018 | Clarence | Green | -3.1 pts | +0.3 pts | -3.3 pts |
| 2018 | Park Street | Labour | +1.0 pts | -2.2 pts | +3.3 pts |
| 2018 | Sopwell | Liberal Democrats | +12.1 pts | +8.9 pts | +3.2 pts |
| 2018 | Marshalswick North | Green | -2.3 pts | +0.3 pts | -2.6 pts |
| 2018 | Harpenden East | Conservative | +5.9 pts | +3.4 pts | +2.6 pts |
| 2018 | London Colney | Liberal Democrats | +11.4 pts | +8.9 pts | +2.5 pts |
| 2018 | St Stephen | Labour | +0.2 pts | -2.2 pts | +2.4 pts |
| 2018 | Harpenden West | Green | -1.9 pts | +0.3 pts | -2.2 pts |
| 2018 | Wheathampstead | Green | +2.4 pts | +0.3 pts | +2.1 pts |
| 2018 | Clarence | Conservative | +1.3 pts | +3.4 pts | -2.1 pts |
| 2018 | Clarence | Liberal Democrats | +6.9 pts | +8.9 pts | -2.0 pts |
| 2018 | Clarence | Labour | -4.2 pts | -2.2 pts | -1.9 pts |
| 2018 | St Peters | Conservative | +1.5 pts | +3.4 pts | -1.9 pts |
| 2018 | Sopwell | Labour | -4.0 pts | -2.2 pts | -1.7 pts |
| 2018 | Sopwell | Green | -1.4 pts | +0.3 pts | -1.6 pts |
| 2018 | Ashley | Green | -1.3 pts | +0.3 pts | -1.5 pts |
| 2018 | Cunningham | Conservative | +1.9 pts | +3.4 pts | -1.4 pts |
| 2018 | St Peters | Labour | -3.7 pts | -2.2 pts | -1.4 pts |
| 2018 | Harpenden West | Liberal Democrats | +7.5 pts | +8.9 pts | -1.4 pts |
| 2018 | St Stephen | Green | +1.6 pts | +0.3 pts | +1.3 pts |
| 2018 | London Colney | UK Independence Party (UKIP) | -7.6 pts | -6.4 pts | -1.2 pts |
| 2018 | Verulam | Labour | -1.0 pts | -2.2 pts | +1.2 pts |
| 2018 | Harpenden West | Conservative | +2.1 pts | +3.4 pts | -1.2 pts |
| 2018 | London Colney | Conservative | +2.2 pts | +3.4 pts | -1.2 pts |
| 2018 | St Peters | Green | +1.4 pts | +0.3 pts | +1.1 pts |
| 2018 | Batchwood | Green | -0.8 pts | +0.3 pts | -1.1 pts |
| 2018 | Harpenden West | Labour | -1.3 pts | -2.2 pts | +0.9 pts |
| 2018 | Wheathampstead | Labour | -1.3 pts | -2.2 pts | +0.9 pts |
| 2018 | Cunningham | Green | -0.4 pts | +0.3 pts | -0.7 pts |
| 2018 | Verulam | Green | -0.4 pts | +0.3 pts | -0.7 pts |
| 2018 | Harpenden North | Labour | -2.9 pts | -2.2 pts | -0.6 pts |
| 2018 | Park Street | Green | +0.8 pts | +0.3 pts | +0.5 pts |
| 2018 | London Colney | Green | +0.8 pts | +0.3 pts | +0.5 pts |
| 2018 | Harpenden South | Green | +0.6 pts | +0.3 pts | +0.4 pts |
| 2018 | Harpenden North | Conservative | +3.7 pts | +3.4 pts | +0.3 pts |
| 2018 | Cunningham | UK Independence Party (UKIP) | -6.2 pts | -6.4 pts | +0.2 pts |
| 2018 | Marshalswick North | Labour | -2.4 pts | -2.2 pts | -0.2 pts |
| 2016 | Redbourn | Conservative | -24.9 pts | -7.7 pts | -17.2 pts |
| 2016 | London Colney | Labour | +16.6 pts | +2.7 pts | +13.9 pts |
| 2016 | Verulam | Liberal Democrats | +15.2 pts | +2.4 pts | +12.8 pts |
| 2016 | St Stephen | Conservative | +4.8 pts | -7.7 pts | +12.5 pts |
| 2016 | St Peters | Green | +11.7 pts | +0.1 pts | +11.6 pts |
| 2016 | Park Street | Liberal Democrats | +13.8 pts | +2.4 pts | +11.4 pts |
| 2016 | Batchwood | Labour | +12.4 pts | +2.7 pts | +9.7 pts |
| 2016 | Batchwood | Liberal Democrats | -7.0 pts | +2.4 pts | -9.4 pts |
| 2016 | Clarence | Liberal Democrats | +11.7 pts | +2.4 pts | +9.2 pts |
| 2016 | Marshalswick South | Liberal Democrats | -6.7 pts | +2.4 pts | -9.1 pts |
| 2016 | Sopwell | Liberal Democrats | +10.0 pts | +2.4 pts | +7.6 pts |
| 2016 | Wheathampstead | Liberal Democrats | -5.0 pts | +2.4 pts | -7.4 pts |