questionText: To ask the Secretary of State for Housing, Communities and Local Government, what assumptions on (a) longevity, (b) net immigration, (c) average size of household, (d) birth rate and (e) other factors underpin his Department's assessment of future demand 
answerText: I refer the Rt Hon. member to the answer given to Question UIN 51190 on 19 May 2025.
heading: Housing