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Find out when you can expect to receive a reply from HMRC to a query or request you've made.
How to report your income and claim tax reliefs and any repayment due to you using the SA100 tax return, for 6 April 2024 to 5 April 2025.
Get help with Self Assessment by using online tools and guidance, and watching HMRC YouTube videos.
Use form SA1 to register for Self Assessment for any reason other than self-employment.
Find and use tools and calculators that will help you work out your tax.
Find out how to appeal an individual or partnership Self Assessment penalty.
Find software suppliers for tax returns, supplementary pages and attachments.
Find out if you need to declare income from selling personal possessions, goods or services online, creating online content or renting out property using digital platforms.
Find out about tax relief available when you sell or dispose of your main home.
Use the Self Assessment helpsheet (HS263) to work out tax credit relief on income that you've paid foreign tax on.
Register for Self Assessment and Class 2 National Insurance when you've joined a partnership using form SA401.
Find information on completing the self-employment section of your Self Assessment tax return.
Use the SA303 form to apply to reduce your Self Assessment payments on account.
Learn more about getting started with Self Assessment including registration, tax returns, tax bills and payments.
Find information on reporting income from pensions, pensions savings tax charges and claiming relief on pension contributions on your Self Assessment tax return.
Use this online tool to help you find the right guidance and support if you owe money to HMRC for tax or penalties.
Find out about the Rent a Room Scheme if you're a trader, owner occupier or tenant.
Find information on completing the Capital Gains section of your Self Assessment tax return.
Use the Self Assessment helpsheet (HS325) to work out your other taxable income and include this in your tax return.
Find out how to report trading losses in your Self Assessment tax return.
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