| Winner | Runner-Up | |
| ECB Women’s Twenty 20 Cup | ||
| 2009 | Surrey | Kent |
| 2010 | Berkshire | Yorkshire |
| 2011 | Kent | Berkshire |
| 2012 | Sussex | Berkshire |
| 2013 | Kent | Sussex |
| 2014 | Nottinghamshire | Middlesex |
| Nat West Twenty 20 Cup | ||
| 2015 | Sussex | Yorkshire |
| 2016 | Kent | Warwickshire |
| 2017 | Lancashire | Middlesex |
| Vitality Twenty 20 Cup | ||
| 2018 | Middlesex | Sussex |
| 2019 | Warwickshire | Lancashire |
| 2020 | Competition cancelled due to Covid-19 pandemic | |
| 2021–2023 | Competition played, but no national finals day so no overall winner | |
| 2024 | Derbyshire | Hertfordshire |
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