Self Assessment, tax codes, refunds, VAT, property tax and inheritance tax — explained clearly, so you understand what you owe, what you can claim, and what to check with HMRC.
Pick the area that matches your situation — each section links to practical, plain-English guides.
Who has to file, key deadlines, penalties and how to fill in a Self Assessment tax return.
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How Income Tax bands, the Personal Allowance, tax codes and PAYE work for employees.
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When you may be owed money back and which tax reliefs you can claim, explained simply.
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Registering, expenses, VAT, National Insurance and company tax for freelancers and small businesses.
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Capital Gains Tax, Stamp Duty, landlord income and Council Tax explained in plain English.
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Inheritance Tax, ISAs, savings interest, pensions and gifts — what is taxed and what is not.
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What HMRC letters mean, how penalties and appeals work, and what to do if you owe tax or suspect a scam.
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How tax changes when you marry, have a child, move abroad, lose a job, retire or deal with a bereavement.
Explore →The UK tax year runs from 6 April to 5 April. These are the long-standing dates most people with Self Assessment need to know. Always confirm the current year's dates on GOV.UK.
Check dates on GOV.UK| 6 April | New tax year starts |
|---|---|
| 5 October | Deadline to register for Self Assessment if you are new to it |
| 31 October | Paper tax return deadline |
| 31 January | Online tax return deadline, balancing payment and first payment on account |
| 31 July | Second payment on account |
| 5 April | Tax year ends |

Know what paperwork to keep, for how long, and why it matters if HMRC ever asks.

Allowances, reliefs, deadlines and rates — explained so you can see what is relevant to you.

We flag when a situation is complex enough to talk to HMRC or a qualified tax adviser.
Taking in a lodger can affect your tax, but the Rent a Room Scheme may exempt qualifying receipts up to the current annual limit.
University students can pay tax on wages. Learn how PAYE, tax codes, multiple jobs, student loans and self employment affect their position.
A spouse may receive an extra ISA allowance after their partner dies, but the process, valuation and deadline need careful checking.
Learn how to correct errors on a P800, check your tax records and contact HMRC with the right evidence.
Director salary is usually subject to National Insurance, but special annual rules apply to directors and dividends are treated differently.
Shared Parental Pay is usually taxable through PAYE. Learn how tax codes, P800 calculations and Self Assessment may affect your position.