Tax year end planning UK 2026 showing ISA, pension, capital gains and inheritance tax allowances to review before the 5 April deadline
Tax year end planning UK 2026: key allowances to review before the 5 April deadline.

As part of effective tax year end planning UK, it is important to review your financial position before the tax year ends on 5 April.

Many valuable allowances are only available within each tax year and cannot be carried forward, meaning they are lost if not used.

Tax Year End Planning UK: Key Opportunities to Consider

1. ISA Allowance (£20,000 per person)

An Individual Savings Account (ISA) remains one of the most straightforward and tax-efficient ways to invest. Key benefits include:

  • No income tax on returns
  • No capital gains tax on growth
  • No requirement to declare on your tax return

If you have not yet used your ISA allowance for the current tax year, there is still time to do so before 5 April.

2. Pension Contributions and Tax Relief

Pensions continue to be one of the most tax-efficient ways to save for the future.

Depending on your circumstances, contributions may benefit from:

  • Income tax relief
  • Long-term tax-efficient growth
  • Potential advantages for retirement and estate planning

Making use of your pension allowance before the tax year-end can be a valuable planning step.

3. Capital Gains Tax Allowance (£3,000)

If you hold investments outside of ISAs or pensions, you may be subject to Capital Gains Tax (CGT) when assets are sold.

Each individual has an annual CGT exemption, which is currently £3,000.

If appropriate, it may be worth considering whether to realise gains within this allowance before the tax year-end, as unused exemptions cannot be carried forward.

4. Inheritance Tax Planning Opportunities

The end of the tax year can also be a useful time to review your Inheritance Tax (IHT) position.

This may include:

  • Making use of annual gifting allowances
  • Reviewing existing estate planning arrangements
  • Considering longer-term strategies to manage potential tax liabilities

Even small, regular steps can make a significant difference over time.

Effective tax year end planning in the UK can help ensure that you are making full use of the opportunities available each year.

Why Tax Year-End Planning Matters

Effective use of allowances each year can help to:

  • Improve overall tax efficiency
  • Support long-term financial goals
  • Reduce potential future tax liabilities

Over time, these benefits can compound and have a meaningful impact on your overall financial position.

Next Steps

If you have any questions or would like to review your current arrangements, please feel free to contact us

You can also explore our full range of financial planning services to see how we support our clients.

Important Information

This article is for general information purposes only and does not constitute personal financial advice. Any decisions should be made in the context of your individual circumstances and objectives.

The value of investments and any income from them can fall as well as rise and you may get back less than you invest. Tax rules may change and their impact will depend on your personal circumstances. Investments should be considered over the medium to long term.

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