UK Inflation Hits 3.1% in August Ahead of Bank of England Rate Decision

Key Facts

In a move reflecting persistent price pressures within the British economy, the UK's annual CPI inflation rate accelerated to 3.1% in August, up from 2.9% in the previous month. The data matched market expectations, with consumer prices rising by 0.5% on a monthly basis. This monthly increase was stronger than the 0.3% rise recorded in August 2025, pushing inflation back above the 3% threshold just one day before the Bank of England's critical policy meeting.

According to market data and analyst reports, the transport sector was the primary driver of this acceleration, as motor fuel inflation jumped from 15.5% to 23.0%, with petrol prices increasing by 9.1 pence per litre during August. Conversely, core CPI held steady at 2.6%, slightly undershooting the 2.7% forecast, while services inflation remained unchanged at 3.4%. This highlights a divergence between volatile energy-driven costs and more stable underlying domestic price measures.

Traders are now focused on the Bank of England's interest rate decision scheduled for tomorrow, as the headline spike reduces the scope for a dovish policy shift. Looking at recent economic performance, UK GDP grew by 0.4% in July according to data from September 11, 2026, providing a backdrop of modest growth for Governor Andrew Bailey's upcoming decision. With current instrument prices unavailable at this snapshot, the market remains sensitive to any hawkish signals from policymakers regarding the 3% inflation breach.