Estimate your Income Tax for a previous tax year
Use this service to estimate how much Income Tax you should have paid for a previous tax year.
You need to be:
- a basic or higher rate taxpayer earning under £100,000
- getting the Personal Allowance
There are different ways to:
- see how much Income Tax you paid last tax year (6 April 2024 to 5 April 2025)
- check your Income Tax payments for the current tax year (6 April 2025 to 5 April 2026)
- estimate your Self Assessment tax bill for the current tax year (6 April 2025 to 5 April 2026)
You may be able to claim a refund if you’ve paid too much.
This service is also available in Welsh (Cymraeg).
Before you start
You need details of:
- your earnings, before and after tax - get this from your P60
- any savings - get this from your bank statements or annual statement from your bank or building society
- any Gift Aid donations you’ve made to charity
Who cannot get an estimate online
You cannot get an estimate online if you:
- earn £100,000 or more
- get taxable state benefits
- are entitled to claim Married Couple’s Allowance
- have other taxable income, for example from dividends and trusts
- are a higher rate taxpayer and want to estimate your Gift Aid tax relief
You can check you’ve paid the right tax by contacting HMRC or by getting help from an accountant.