[2] Before this, he served as Minister of State for the Northern Powerhouse and Local Growth[a] from 2017 to 2020 in the governments of Theresa May and Boris Johnson.

[8][6] In April 2013, the prime minister, David Cameron, asked Berry to join the Number 10 Policy Unit, headed by Jo Johnson.

His roles in this position included advising the Prime Minister on housing, regional growth and local government.

[17] At the snap 2017 general election Berry was again re-elected, with an increased vote share of 50.8% and a decreased majority of 3,216.

[19] In March 2018, he described campaigners who forced the aerospace firm BAE Systems to withdraw as a sponsor of a flagship arts festival in North East England as "subsidy addicted artists" and "snowflakes".

[23][24] On 6 September 2022, following the Conservative Party leadership election, the new prime minister Liz Truss appointed Berry to her government.

[27] Speaking on Sky News on 2 October 2022 about the approach the Liz Truss government was taking to enable households to afford their utility bills, Berry said that people could either cut their consumption or get a higher-paid job.