Nationwide Building Society reports that the average house price in the UK falls 0.6% month-on-month in May. The decline marks the first month-on-month drop seen so far this year, according to Nationwide’s data. The reports from multiple outlets describe the same figures: a 0.6% reduction in average property values compared with the previous month. No alternative measurements or differing regional breakdowns are provided in the accounts shared here. The coverage focuses on the headline change in May and its significance for the year-to-date pattern, noting that this is the first time month-on-month house prices decrease in 2026 to date (as reflected by the series cited). Overall, the story is consistent across the sources: Nationwide’s latest monthly house price update indicates a modest contraction in May, reversing the earlier month-on-month trend for the year.