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Next publication of UK HPI
The April 2022 UK HPI will be published at 9.30am on Wednesday 22 June 2022. See the calendar of release dates for more information.
Northern Ireland sales volumes
We’ve changed the way we publish the Northern Ireland sales volumes and corrected the way we include them in the UK figures. We’ve produced a monthly estimate by dividing the total sales volumes for the quarter in Northern Ireland by 3.
We previously included the quarterly Northern Ireland data in the monthly UK sales volumes data, which resulted in higher than expected sales figures.
Methodology change for new build property
Because of the impact of the coronavirus (COVID-19) pandemic on both the number and supply of housing transactions, some methodology changes have been made. The processing of new build properties has been more affected than the processing of “old build” properties. So, to address this, we have had to pool new build transactions for certain months:
September 2021 includes new build transactions from August and September 2021.
October 2021 includes new build transactions from September and October 2021.
November 2021 includes new build transactions for October and November 2021.
December 2021 includes new build transactions for November and December 2021.
January 2022 includes new build transactions from December 2021 and January 2022
February 2022 includes new build transactions from January 2022 and February 2022
March 2022 has not been affected as new builds are never included in the model for the first estimate because of the nature of their processing.
These changes might lead to larger revisions to published estimates than usual as we reduce the reliance on pooling. Further information on how we usually process the new build properties can be found in the HMLR’s Quality and Methodology guidance.