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Complete my tax return online
Check Income Tax rates and thresholds
Check National Insurance rates
Check Capital Gains Tax rates and tax-free allowances
Understand my tax calculation
Understand my Self Assessment statement
Pay my tax bill
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Tell me about...
Self Assessment - an introduction
Income Tax rates and thresholds
National Insurance rates
Capital Gains Tax
Tax return deadlines and penalties
Keeping records (individuals and directors)
What to do if I can't pay my tax bill
More topics »
Forms
SA102 Employment supplementary pages
SA103 Self-employment supplementary pages (short)
SA103 Self-employment supplementary pages (full)
SA105 Land and property supplementary pages
SA107 Trusts supplementary pages
SA108 Capital Gains supplementary pages
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Your frequently asked questions »
We would like you to know
Self Assessment - 30 December
File your Tax return online by this date if you want us to collect tax through your tax code, if possible, where you owe less than £2,000.
do it online
Self Assessment
quick links
How to pay
Rates and tables
Forms
Leaflets & booklets
How to complain
Appeals
Budget
Freedom of information
Cymraeg/Welsh
tools
Company car and car fuel benefit calculator
Employment status indicator
Childcare vouchers and tax credits - better off calculator
Check if you qualify for tax credits - quick questionnaire
Minimum wage calculator
Do I have the statutory right to request flexible working?
