An overview of the data available, sources, release dates, exclusions and the data contributors.
Comparing house price indices in the UK
This guide compares the source data, index and methods of the different house price index measures highlighting the strengths and limitations to aid users in choosing the most appropriate index for their requirements.
UK House Price Index Quality Assurance of Administrative Data
We set out the steps we have taken to quality assure our data, and our assessment of each source).
Quality and methodology
Information includes, for example, the strengths and limitations of the data and uses of the data.
Updated the UK HPI release dates calendar. Crown copyright and database right date updated to 2020.
Added publication dates up to May 2021.
Figures 2 and 3 updated to show December 2018 data. Halifax variables updated in section 2.6.
Publication dates up to December 2020 added.
UK HPI development plan amended to record updating of Quality Assurance of Administrative Data and ‘Comparing house prices indices in the UK’ documents.
Status changed from Official Statistic to National Statistic.
Section 3 of 'Comparing house price indices in the UK' has been amended to extend the series in figures 2 and 3 to 2017 and include additional content explaining the differences between the UK HPI and the Nationwide HPI. Sections 1.1, 1.5, 2.1, 2.9, 3.4 and 3.6 of 'Quality and methodology' have been extended to include additional information on the methodological improvement implemented in December 2017 and its impact on the UK HPI estimates.
We added a document about the UK HPI development plan to share the improvements we have already made and the areas we want to develop over the next 3 years.
To reflect changes to our action plan for UK HPI we have updated: “UK House Price Index Quality Assurance of Administrative Data”: section 1 – Executive Summary and section 5 - Action plan-Table 4
To reflect our current service standards, we have updated: section 4.4 of 'About the UK House Price Index', sections 1 and 4 of 'UK House Price Index Quality Assurance of Administrative Data' and section 2.2 of 'Quality and methodology' documents.
Information about "Improvement to the calculation of provisional estimates within the UK HPI" replaced by the "Quality and methodology" document. Guidance ‘About the UK House Price Index’ updated with a section 1.2 added. Section 4, section 4.1 and 4.2 also updated to reflect the new quality and methodology document.
Link to 'Northern Ireland HMRC Stamp Duty Land Tax data' added in the 'UK House Price Index Quality Assurance of Administrative Data' document.
Section 1.1 updated to reflect the removal of the UK HPI experimental status. Section 10: the Office for National Statistics announced publication changes for prices statistics from April 2018. We have updated the UK HPI publication calendar to reflect this.
Section 9 updated, due to additional data being made available via the UK House Price Index search tool http://landregistry.data.gov.uk/app/ukhpi
Improvement to the calculation of provisional estimates within the UK House Price Index.
Section 8.1, section 8.2 and section 8.6 updated to reflect the new volume data available for property status (new build and existing property) and funding status (cash and mortgage) in our downloadable data tables.
New guidance about comparing house price indices in the UK, added.
Updated section 4.4 to add an example and information about the new register, also section 11 to remove the list of pre-release access.
Section 1.1: update regarding experimental statistic status. Section 4.4 update to reflect changes to the UK HPI revision policy. Section 6: added details for House Price Statistics for Small Areas. Section 8.2: added explanation of the headers for the data downloads tables.
Information about the ‘Revision to the UK HPI data’ added.
Three dates corrected for 2018 in 'Section 10. Calendar release dates': 13 to 12 June, 18 to 17 July, and 15 to 14 August.
Publication dates up to September 2018 added.
Section 4.2: Calculating the standard average price: information about geometric mean and an example added.
Welsh version added.
UK HPI release dates from October 2016 to May 2017 added.