UK Budget 2026: Why Capital Gains Tax Stays Untouched—and What It Means for Business

The Chancellor’s decision to leave Capital Gains Tax (CGT) unchanged in next week’s Budget has sent a clear signal: stability trumps redistribution in Labour’s economic playbook. Sources close to John Healey confirmed to the BBC that proposals to align CGT rates with income tax—pushed by influential figures within the party—have been shelved, despite warnings that the current system favours the wealthy. The move underscores a broader tension in UK fiscal policy: how to fund public services without deterring investment or prompting capital flight.

Why Capital Gains Tax Became a Battleground

At 20% for most assets (28% for residential property), CGT in the UK is among the lowest in the G7 when compared to top income tax rates. Critics argue this creates a loophole for high earners, who can structure income as capital gains to reduce their tax burden. A 2025 report by the Institute for Fiscal Studies estimated that equalising CGT with income tax could raise up to £14 billion annually—enough to reverse real-terms cuts to NHS funding or double the UK’s affordable housing budget.

Yet the Chancellor’s resistance reflects deeper anxieties. Wealth managers have warned that higher CGT could accelerate the exodus of high-net-worth individuals, particularly to Portugal, Switzerland, or Dubai, where capital gains are taxed at lower rates—or not at all. "The risk isn’t just theoretical," said a senior Treasury adviser. "We’ve seen it with non-dom reforms: when the rules change, the money moves faster than the legislation."

The decision also reveals Labour’s cautious approach to fiscal policy. While the party has pledged to "tax wealth fairly," it has repeatedly ruled out increases to income tax, National Insurance, or VAT—leaving CGT as one of the few levers available. By rejecting the hike, Healey may be betting that economic growth, rather than tax rises, will fill the Treasury’s coffers. But with the UK’s debt-to-GDP ratio hovering near 100%, the room for manoeuvre is shrinking.

The Business Impact: Stability or Stagnation?

For investors and entrepreneurs, the Chancellor’s stance offers short-term relief. Venture capitalists, in particular, had lobbied hard against CGT increases, arguing that higher rates would discourage risk-taking in a sluggish economy. "Start-ups rely on the promise of capital gains to attract talent and funding," said a partner at a London-based VC firm. "If you tax that promise away, you’re effectively taxing innovation."

Yet the decision may also deepen long-term inequalities. Research by the Resolution Foundation found that the top 1% of UK earners receive nearly half of all capital gains, while the bottom 50% receive just 3%. By leaving CGT untouched, the government is effectively preserving a system that benefits asset-rich individuals—often older and wealthier—over wage earners.

The Budget’s other measures will offer clues to Labour’s priorities. Reports suggest Healey may introduce a new "green investment allowance" to offset CGT for sustainable projects, or expand the Enterprise Investment Scheme (EIS) to encourage funding for early-stage companies. But without broader tax reform, these incentives risk being seen as piecemeal solutions to a structural problem.

The Global Context: Is the UK Falling Behind?

The UK’s CGT rates are already lower than those in the US (20-28%, plus state taxes), Germany (25-28%), and France (30%). But while other countries are tightening their rules—Canada recently introduced a 2% surtax on capital gains above CAD 250,000—the UK appears to be doubling down on a low-tax strategy for investors.

This approach may appeal to businesses and high-net-worth individuals, but it comes with risks. The IMF has warned that the UK’s reliance on consumption taxes (like VAT) disproportionately hits lower-income households, while wealth taxes remain underutilised. With public services stretched and wage growth stagnant, the political cost of inaction could be high.

What’s Next for UK Fiscal Policy?

The Chancellor’s Budget on 28 October will test Labour’s ability to balance competing demands: fiscal responsibility, economic growth, and social equity. While CGT remains off the table for now, other reforms are likely. Speculation is mounting around:

• A higher tax on share buybacks, which have surged as companies return cash to investors rather than reinvesting in growth.
• Tighter rules on carried interest, the tax loophole used by private equity executives to pay lower rates on performance fees.
• A "mansion tax" on high-value properties, though this would face fierce opposition from homeowners and the Conservative Party.

For now, the message to businesses is clear: the UK is open for investment—but the price of stability may be a growing divide between those who own assets and those who don’t. As one Labour MP put it, "We’ve chosen not to rock the boat. But if the boat starts sinking, we’ll have to decide who gets the lifeboats."