Investec boosts growth projection and supports November rate decrease

The UK economy has experienced a surprising growth spurt, with the Office for National Statistics (ONS) reporting a 0.4% increase in June's GDP. This figure surpassed the 0.1% rise predicted by a Bloomberg poll of economists, offering a glimmer of hope amidst ongoing uncertainties.

The government's Spending Review, announced earlier this year, resulted in a £190bn increase in public sector spending across various services. However, this move, coupled with U-turns from the Labour government and policy reversals, has derailed savings opportunities that the Chancellor had relied on.

Investec, a global banking firm, has revised its growth projections for the UK economy. The firm now expects the UK economy to grow 1.5% this year and 1.6% in 2026, higher than the Office for Budget Responsibility's (OBR) forecast. This optimistic outlook is shared by the International Monetary Fund (IMF), which has recorded economic growth forecasts for the United Kingdom for 2025, projecting a growth of 1.2% in 2025 and 1.4% in 2026.

Despite this positive outlook, economists warn of potential tax hikes exceeding £20bn due to increased public sector spending. KPMG's chief UK economist, Yael Selfi, states that a growth forecast of 1.2% would lead to public sector revenues falling below Chancellor Reeves' expectations due to an increase in the cost of borrowing and a stalling in interest rate cuts.

Investec economists suggest that if the UK economy grows as forecasted, the OBR may not reduce its own forecasts, potentially requiring fewer tax rises than initially feared. However, the economists also "just about stick to [their] call" of an interest rate cut in November, a move that could impact public sector revenues.

The Bank of England's early August forecast predicted inflation in July would be 3.8%, leading economists to expect a hawkish vote in November. Fresh inflation data earlier this month has slashed expectations for an interest rate cut, adding another layer of complexity to the economic landscape.

Markets previously priced a 50% chance of an interest rate cut at the Bank of England's next meeting. However, the unexpected growth and the slashed inflation expectations have significantly changed the market's outlook.

The UK's economic growth in June, while promising, is still a work in progress. The country continues to grapple with tariff and tax uncertainties, and the impact of policy reversals on public sector spending. As the economy navigates these challenges, economists and policymakers will be closely watching the trajectory of growth to determine the best course of action for the future.