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Income Tax

Find out how much income tax you have to pay, what income is completely free of tax and how to calculate your tax bill.

How much income tax will I need to pay?

Use our calculator to work out the income tax and National Insurance you'll pay in the 2018/19 tax year.

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Tax rates and allowances
Income tax calculator 2018/19 Tax-free income and allowances Income tax calculator 2019/20
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Tax codes & PAYE
Understand your tax code Emergency tax codes What is PAYE?
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Submit your tax return online with Which?
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Self-assessment tax return
Who should submit a tax return? Self-employed tax return Self-assessment tax
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Income tax for the self-employed
Paying tax: self-employed Self-employed capital allowances Self-employed income tax
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Income tax on your pension
Tax on pensions Married couple's allowance Age-related tax allowance
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Tax on property and rental income
How rental income is taxed Expenses and allowances landlords can claim Mortgage interest tax relief explained
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Income tax on savings and investments
Types of saving and investment income The personal savings allowance explained Tax-free savings
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