Question to the HM Treasury:

To ask the Chancellor of the Exchequer, how many households in Northern Ireland are on (a) fixed and (b) b) variable rate mortgages.

There is a wide variety of data and statistics about the mortgage market in the UK available from the Bank of England (https://www.bankofengland.co.uk/statistics), the Financial Conduct Authority (https://www.fca.org.uk/data) and UK Finance (https://www.ukfinance.org.uk/data-and-research/data).