Labour's Shadow Health Secretary, Wes Streeting, has signalled his support for significant reforms to the UK's capital gains tax (CGT) system, a move that has ignited a debate among financial experts. The proposed changes, which include aligning CGT rates with income tax while introducing an 'investment allowance', are intended to encourage productive investment and address wealth disparities. However, some City advisers have cautioned that such sweeping reforms could prove 'disruptive' to economic growth.
Currently, capital gains are taxed at lower rates than income, with basic rate taxpayers paying 10% on most assets (18% on residential property) and higher or additional rate taxpayers paying 20% (28% on residential property). Aligning these rates with income tax – which ranges from 20% to 45% – would significantly increase the tax burden on profits from asset sales, such as shares, second homes, or businesses. The proposed 'investment allowance' aims to mitigate this by allowing individuals to offset a certain amount of new investment against their capital gains liability, theoretically channelling funds into productive sectors of the economy.
The potential implications for UK households and businesses are substantial. For savers and investors, particularly those with diversified portfolios or rental properties, a rise in CGT rates could reduce the net returns on their investments. This might influence investment decisions, potentially leading some to hold assets for longer or to seek tax-efficient alternatives. Businesses considering sales or expansions funded by asset disposals could also face higher tax liabilities, impacting their capital available for reinvestment or growth initiatives.
Economic modelling on the impact of such changes varies. Proponents argue that higher CGT could generate additional revenue for public services and reduce wealth inequality, aligning the tax system more fairly. Conversely, critics suggest that increased CGT could deter entrepreneurship, reduce capital mobility, and ultimately stifle economic activity, potentially leading to a decrease in the overall tax take if investment levels fall. The Bank of England would likely monitor any significant shifts in investment patterns or asset prices resulting from such reforms, assessing their broader impact on financial stability and inflation.
The FTSE 100 and wider UK stock market could see a short-term reaction to such proposals, particularly if investors anticipate a reduction in net gains from share sales. Companies reliant on private investment or venture capital might also face challenges if the reforms are perceived to make investment less attractive. However, the long-term effects would depend on the specifics of the 'investment allowance' and how effectively it incentivises new capital deployment into the UK economy.
This discussion highlights a broader political debate about how best to fund public services and foster economic growth while ensuring fairness within the tax system. The ultimate shape and impact of any CGT reforms would depend on detailed policy design and broader economic conditions.