Annual estimates of the proportion of building control reported new build dwelling completions in England that are purpose built flats are shown in Live Table 254, at the following <a href="https://gbr01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.gov.uk%2Fgovernment%2Fstatistical-data-sets%2Flive-tables-on-house-building&data=05%7C01%7CParliamentary%40levellingup.gov.uk%7C7d94c7d159274c2cea8108dbb2d38f49%7Cbf3468109c7d43dea87224a2ef3995a8%7C0%7C0%7C638300393925006789%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=BDeLnmqu2U%2BJNR%2FRuxdM2Fs0jNtBD1tXWmuCLa%2Fu50E%3D&reserved=0" target="_blank">link. These cover new build dwellings only and should be regarded as a leading indicator of overall housing supply. The department also publishes an annual release entitled 'Housing supply: net additional dwellings, England', which is the primary and most comprehensive measure of housing supply at the following <a href="https://gbr01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.gov.uk%2Fgovernment%2Fstatistical-data-sets%2Flive-tables-on-net-supply-of-housing&data=05%7C01%7CParliamentary%40levellingup.gov.uk%7C7d94c7d159274c2cea8108dbb2d38f49%7Cbf3468109c7d43dea87224a2ef3995a8%7C0%7C0%7C638300393925006789%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&sdata=WfNYVYp946h9cMAx8n04EJaGXF1sk7TnG0P9BkCNru0%3D&reserved=0" target="_blank">link.