| General Election Results | House of Commons Library | 2010, 2015, 2017, 2019, 2024 | Open Parliament Licence | Aggregated general election results by UK parlimentary constituency for trend analysis. |
| Local Election Results | House of Commons Library | 2021, 2022, 2023, 2024 | Open Parliament Licence | Aggregated local election results by ward for trend analysis. |
| Population Estimates | Office for National Statistics | 2020 | Open Government Licence v3.0 | Ward-level population data estimates including age and gender used for per-capita comparisons. |
| Median House Price | Office for National Statistics | 1995-2023 | Open Government Licence v3.0 | Median house price paid by ward for England and Wales for trend analysis. |
| Westminster Parliamentary Wards (Boundaries) | ONS Open Geography Portal | December 2021, 2022, 2023, 2024 | Open Government Licence v3.0 | UK electoral ward boundaries used for map visualisation layers. |
| Westminster Parliamentary Constituencies (Boundaries) | ONS Open Geography Portal | July 2024 | Open Government Licence v3.0 | UK parliamentary constituencies used to match constituency-level election data to spatial boundaries. |