Do you have additional income streams?

Side income over £1,000 may mean filing a tax return. HMRC is urging part-time earners to check their tax position for 2024-25, especially if they earn from casual work, renting, or crypto.
If you
Accounting on a cash basis

From April 2024, the cash basis is the default method for sole traders and most partnerships when preparing Self-Assessment returns. Designed to simplify tax reporting, the cash basis lets businesses
Claiming for uniforms, work clothing and tools

Buying tools or clothing for your job? You could claim tax relief. Check if you qualify and how to get your money back. If you have spent your own money on items essential for your work, such as tools
When do the higher rates of Income Tax apply

Once your income passes £100,000, your tax-free allowance starts to shrink. Between £100,000 and £125,140, the effective tax rate climbs to 60%, but smart planning can help.
If you earn over £100,000
Who must send in a tax return

From self-employment to rental income, there are many reasons you may need to file a Self-Assessment return. Know the triggers and register with HMRC by 5 October if this is your first time.
There
Tax rules for savings interest

You could earn up to £18,570 in tax-free savings interest in 2025-26, thanks to the personal allowance, starting rate for savings, and the Personal Savings Allowance.
If your taxable income for the