July 28, 2026 1:55 pm

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Nikka Sulton

Pressure is mounting on the government to increase Capital Gains Tax (CGT), with critics arguing that investment gains should be taxed at similar levels to earned income.

Lord Neil Kinnock has backed calls for CGT rates to be aligned with Income Tax, suggesting the move could raise billions of pounds in additional revenue for the UK economy. His comments come amid wider discussions about how the government can increase funding for essential public services while addressing ongoing financial pressures.

Speaking to Sky News, Kinnock said that matching Capital Gains Tax rates with Income Tax bands of 20%, 40% and 45% could generate around £12 billion a year. He argued that the additional revenue could make a significant contribution towards improving the country’s finances.

Kinnock also said his preference would be for the extra funding to support the development of a national social care service, highlighting the growing challenges faced by families dealing with long-term illness, disabilities and an ageing population.

He described the proposed tax changes as potentially beneficial for the economy, while also helping to address some of the wider pressures affecting households across the UK.

Growing Support for CGT Reform

The idea of increasing Capital Gains Tax is not new, and several organisations have previously called for changes to the current system.

Wes Streeting, who is now the Defence Secretary, previously proposed a wealth tax while serving as a backbench MP. His plans included bringing Capital Gains Tax rates closer to Income Tax levels as part of wider reforms to taxation.

Several independent organisations have also supported reform. The Institute for Public Policy Research (IPPR) has argued that aligning CGT with Income Tax, alongside reducing certain allowances and reliefs, could raise substantial additional revenue while creating a simpler and fairer tax system.

The Institute for Fiscal Studies (IFS) has also said there is a strong case for reforming Capital Gains Tax. It has suggested that tax rates on income and investment gains should be brought closer together to reduce differences in how various forms of income are treated.

Meanwhile, the Centre for the Analysis of Taxation (CenTax) has suggested that changes to CGT could support economic growth by reducing distortions within the current system. The organisation argues that existing tax rules may encourage certain investment decisions that are less productive for the wider economy.

Potential Impact on Property Investors

Any changes to Capital Gains Tax could have a major impact on property investors and landlords, who often rely on property value growth as part of their long-term investment strategy.

Currently, CGT applies when individuals sell assets such as second homes, buy-to-let properties or shares for a profit. A rise in CGT rates could increase the amount of tax investors pay when disposing of assets, potentially influencing decisions around selling, holding or expanding portfolios.

However, supporters of reform argue that bringing CGT closer to Income Tax would create a more balanced system and ensure different forms of income are taxed more consistently.

The debate comes as the government faces increasing pressure to find additional sources of revenue while balancing economic growth, public spending commitments and the rising cost of essential services.

What Happens Next?

While there are currently no confirmed plans for an immediate Capital Gains Tax increase, the issue is likely to remain part of wider discussions around tax reform.

With support from several economists, think tanks and politicians, the argument for aligning CGT with Income Tax is gaining attention. However, any changes would need to consider the potential impact on investment, entrepreneurship and the wider economy.

For landlords and investors, the possibility of future CGT reform highlights the importance of staying informed and reviewing long-term financial strategies as government tax policies continue to evolve.

 

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