Annual UK house price growth decelerated sharply in September 2026, with the Nationwide House Price Index (HPI) rising just 0.8% year-over-year, down from 1.6% in August. The latest data, updated on 1 October 2026, point to a notable cooling in price momentum across the housing market.
The September reading means that house prices were only marginally higher than in September 2025, marking a clear loss of pace compared with August’s year-over-year increase. The previous figure, recorded in August 2026, showed prices up 1.6% versus August 2025 on an annual basis, underscoring how quickly growth has moderated on the same comparison period.
With both the current and previous readings measured on a year-over-year basis, the halving of annual growth between August and September suggests waning demand or increased caution among buyers. Market participants and policymakers will likely scrutinise upcoming releases to determine whether this slowdown is temporary or the start of a more protracted period of subdued house price inflation in the United Kingdom.
