2026/27 Tax Year Changes: Everything You Need to Know About Your Money

The 2026/27 tax year kicked off on April 6, 2026. And while, frankly, many allowances are still stuck in neutral, a few important shifts are coming that'll definitely impact how much tax you're paying on your investments and savings. With thresholds stubbornly frozen and tax pressures quietly creeping up in real terms, making the absolute most of your allowances? Well, it's more critical than ever.

What's Stayed the Same

Most of the big-ticket allowances are, frustratingly, still frozen for 2026/27:

That freeze on income tax thresholds means something pretty significant. As wages try to keep pace with inflation, more and more people are getting dragged into higher tax bands. We call this "fiscal drag," and it's a real pain. The Institute for Fiscal Studies estimates this phenomenon will pull an additional 4 million people into the higher rate band by 2028. Think about that for a second.

What's Changed: Dividend Tax Rates

For investors, this is the big one. The most notable change we're seeing is an increase in dividend tax rates.

What does this actually mean for you? Simply put, if you've got investments sitting outside an ISA or pension wrapper, you'll be paying more tax on any dividend income that goes above that £500 allowance. Let's crunch some numbers: for a higher-rate taxpayer pulling in, say, £5,000 in dividends, we're talking about an extra £90 in tax each year. It adds up.

What's Coming in April 2027

Look, two major changes are looming on the horizon. And frankly, you should be thinking about them now.

Cash ISA Limit Reduction

From April 2027, the maximum you can stash away into a cash ISA is set to drop. It'll go down to £12,000 per year for investors under 65. The overall ISA allowance? That stays at £20,000. But this change specifically limits how much of that can be allocated to cash. So, this current tax year is a fantastic window to really maximise your cash ISA contributions. Don't miss it.

Pensions and Inheritance Tax

Here's another big one. Starting April 2027, most unused pension funds and even some death benefits will suddenly be subject to Inheritance Tax. There's a small silver lining: death-in-service benefits from a registered pension scheme will be excluded. But make no mistake, this is a significant shift. It could seriously impact estate planning for countless families across the country.

Action Points for 2026/27

Right, so where does this leave us? Here are some concrete steps you should consider taking this tax year:

1. Use your full ISA allowance — especially that cash ISA portion, before the 2027 limit reduction hits. You'll thank yourself later.
2. Review your pension beneficiary nominations in light of those upcoming IHT changes. It's crucial.
3. Consider moving investments into ISA or pension wrappers to shield them from those higher dividend tax rates. It's a smart move.
4. Check if you're affected by fiscal drag — you might have slipped into a higher tax band without even realising it.
5. Use your £3,000 CGT allowance before the tax year wraps up. Don't leave money on the table!

Sources: HMRC (April 2026), Fidelity International (April 2026), Institute for Fiscal Studies (2026)