In her late teens she gained practical work experience as a car mechanic in a garage owned by her father, where she learnt how to 'strip down an engine'.

[7][8] As council leader, Hall commissioned thermal imaging cameras to stop illegal 'beds in sheds' developments and identify five cannabis farms.

[12] Hall subsequently told ITV News "I meant it and would say it to her face" and said she was a victim of a campaign by the Fire Brigades Union.

[13] Hall became a Member of the London Assembly in June 2017, replacing Kemi Badenoch AM who stood down upon being elected as MP for Saffron Walden.

In March 2020, regarding the COVID-19 pandemic in London, Hall wrote to Mayor Sadiq Khan, asking him to "call in the police" to "enforce the coronavirus lockdown" in order to protect National Health Service workers.

[21] Following the storming of the United States Capitol by Trump's supporters in January 2021, Hall compared the cause of the riot with remaining opposition to Brexit in the UK.

To tackle crime, Hall said she would invest £200 million in the Metropolitan Police, funded by reducing staff costs at Transport for London.

[28][29] Hall pledged to reverse the 2023 ULEZ outer expansion and in its place set up a £50 million fund to "tackle air pollution hotspots.

[31] On 19 July 2023, the Conservative Party deputy chairman Nickie Aiken MP wrote to the Evening Standard's editor Dylan Jones accusing the paper of "misogyny" with their choice of photo of Hall for their front page, describing it as "a clear mockery".

[21] In August 2023, Dawn Butler and nine other Labour MPs wrote to Conservative Party chairman Greg Hands criticising Hall's comments that the Notting Hill Carnival was "dangerous" and put local residents through "hell.

[3] Her daughter, Louise Staite,[51] stood as the Conservative parliamentary candidate for Oxford East at the 2019 general election, but failed to gain the Labour-held seat.