Question to the Ministry of Housing, Communities and Local Government:

To ask the Secretary of State for Housing, Communities and Local Government, with reference to the Northern Growth Strategy, January 2026, CP1485, paragraph 4 and footnotes 3 and 4, what is the evidential basis for the underlying statistics of the 2.2% productivity growth per year in the largest northern mayoral strategic authorities.

Footnotes 3 and 4 of the Northern Growth Strategy: Case for change outline how the calculation of compound average productivity growth rate in the largest northern Mayoral Strategic Authorities is based on ONS Official Statistics, using subnational estimates for Gross Value Added and hours worked.