Which? tax calculator

Independent, tailored help with your income tax bill

  • Answer a few short questions in our secure form
  • Calculate your personal allowances and deductions
  • Get FREE tips from Which? money experts
Calculate your tax bill now

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Do I need to complete a self-assessment tax return?

If HMRC has asked you to complete a self-assessment return for 2013-2014, you must complete it before 31 January 2015 or face a £100 fine. Some people (those who are self-employed, for example) need to complete a tax return every year; others are sent one because they have untaxed income (often from property).

What does this tool do?

Which? tax calculator allows you to work out your income tax bill for 2013-2014. It gathers the same data you need to complete HMRC’s online tax return, explains the allowances and reductions you should be eligible for, and shows how these can reduce the total amount of tax you pay.

Disclaimer

Although the publisher endeavours to make sure the information in this calculator is accurate and up-to-date, it is only a general guide and nothing in it constitutes taxation advice by Which? You should consult a qualified tax adviser who can consider individual circumstances if taxation advice is required. Which? Limited does not accept any liability for any loss or damage suffered as a consequence of relying on any information contained in this guide.