Year-End Tax Planning: How to Reduce Your Tax Bill Before 5 April 2025
As we approach the end of the 2024/25 tax year, business owners, landlords, and self-employed individuals have a limited window to maximise tax efficiency and reduce their liabilities. With shrinking allowances, increasing tax rates, and new regulations, it’s crucial to take strategic action before 5 April 2025.
This guide explores practical steps to legally reduce your tax bill, optimise allowances, and stay compliant with HMRC.
1. Maximise Your Personal Allowances
Every individual benefits from certain tax-free allowances each year. If you don’t use them by 5 April 2025, you lose them forever.
Personal Tax-Free Allowance (£12,570)
Every individual can earn £12,570 tax-free. However, if your income exceeds £100,000, you start losing this allowance at a rate of £1 for every £2 earned.
Tax-saving tip:
If your income is between £100,000 and £125,140, making pension contributions or charitable donations can bring your taxable income below £100,000, restoring your full £12,570 personal allowance.
Marriage Allowance
If you earn below £12,570 and your spouse is a basic-rate taxpayer, you can transfer £1,260 of your allowance to them, saving up to £252 in tax.
2. Use Your £20,000 ISA Allowance
An ISA (Individual Savings Account) is a tax-efficient way to save and invest, as you pay no tax on interest, dividends, or capital gains.
Action to take before 5 April 2025:
Invest up to £20,000 in an ISA to protect savings from tax.
Consider a Stocks & Shares ISA if you’re investing for long-term growth.
3. Increase Your Pension Contributions
Making contributions into a pension scheme is one of the most tax-efficient ways to save for the future while reducing taxable income.
Pension Tax Benefits
The Annual Allowance is now £60,000, meaning you can contribute more tax-free.
If you haven’t used your full pension allowance from the past three years, you can carry it forward and make larger contributions.
Example Tax Saving:
If you earn £110,000, contributing £10,000 to a pension reduces your taxable income to £100,000, restoring your full £12,570 personal allowance and lowering your tax bill significantly.
4. Use Your Capital Gains Tax (CGT) Allowance
The Capital Gains Tax (CGT) allowance has been reduced to just £3,000 in 2024/25, meaning more of your profits are taxable when selling investments.
Action to take before 5 April 2025:
If you’re planning to sell assets (stocks, property, or business shares), do it before 5 April to use your £3,000 CGT exemption.
If selling a large investment, consider spreading the sale over two tax years to use allowances for both years.
If you’re married, transfer assets to your spouse before selling to double the tax-free allowance to £6,000.
5. Reduce Corporation Tax for Business Owners
With corporation tax rates now at 25% for businesses earning over £250,000, companies must plan carefully to reduce taxable profits before year-end.
Strategies to Reduce Corporation Tax
Full Expensing: Claim 100% tax relief on qualifying capital purchases (e.g., machinery, IT equipment, and tools) in the same year.
Annual Investment Allowance (AIA): Deduct up to £1 million of capital expenditure from your taxable profits.
R&D Tax Credits: If your company invests in research and development, you can claim enhanced tax relief or a tax credit.
Action to take before 5 April 2025:
Buy necessary equipment before year-end to reduce taxable profits.
Check eligibility for R&D tax relief and make claims before deadlines.
6. Landlords: Maximise Property Tax Allowances
Landlords have faced significant tax changes in recent years, but there are still ways to minimise tax liability.
Key Tax Reliefs for Landlords
Claim all allowable expenses (mortgage interest, maintenance, insurance, and property management fees).
Use the £7,500 Rent-a-Room Relief if you rent out a room in your home.
Transfer rental income to a lower-earning spouse to use their lower tax bands.
Example Tax Saving:
If you own a rental property and are a higher-rate taxpayer, but your spouse is a basic-rate taxpayer, transferring ownership could save thousands in tax.
7. Take Advantage of Charitable Giving
Donating to charity is not only a great way to give back, but it can also reduce your tax bill.
✔ Donations made via Gift Aid allow higher-rate taxpayers to claim back 20-25% in tax relief.
✔ Donating shares or property can exempt you from Capital Gains Tax (CGT).
Action to take before 5 April 2025:
Make charitable donations now to claim tax relief in this tax year.
8. Self-Employed? Claim All Allowable Expenses
If you’re self-employed, maximising allowable expenses can significantly lower your taxable profit.
Claimable expenses include:
Office costs (rent, phone bills, internet, software).
Travel expenses (fuel, train fares, business mileage at 45p per mile).
Marketing & advertising costs.
Professional fees (accountants, solicitors).
Action to take before 5 April 2025:
Review all business expenses and ensure you claim everything you’re entitled to.
Final Thoughts: Take Action Before the Tax Year Ends
With tax allowances shrinking and tax rates increasing, it’s essential to review your finances now before 5 April 2025. By maximising allowances, reducing taxable income, and structuring finances efficiently, you can save thousands in tax legally.
Need expert tax planning advice?
At Merranti Accounting, we specialise in personal tax, business tax, and VAT planning to help you legally reduce your tax bill.
Contact us today for a free consultation and make sure you’re not overpaying tax in 2024/25.
Official HMRC Guidance on Tax Allowances & Reliefs:
Income Tax Rates & Allowances – GOV.UK



