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What to do if you need to pay more tax or you're due a refund, including P800 tax calculations from HM Revenue and Customs (HMRC).

• If you’ve not paid the right amount of tax

  If you’ve paid too much or too little tax by the end of the tax year (5…

• If your tax calculation letter (P800) says you’re due a refund

  Your tax calculation letter (also known as a P800) will tell you how you…

• If your tax calculation letter (P800) says you owe tax

  HM Revenue and Customs (HMRC) will collect the tax you owe over the next…

Inheritance Tax (IHT) is paid when a person's estate is worth more than £325,000 when they die - exemptions, passing on property. Sometimes known as death duties.

• Overview

  Inheritance Tax is a tax on the estate (the property, money and…

• Passing on a home

  You can pass a home to your husband, wife or civil partner when you die.…

• Rules on giving gifts

  Inheritance Tax may have to be paid after your death on some gifts you’ve…

• If you die when you are based outside the UK

  If you’re based abroad, Inheritance Tax is only paid on your UK assets,…

Claiming tax relief on expenses you have to pay for your work, like uniforms, tools, travel and working from home costs.

• Overview

  You might be able to claim tax relief if: you use your own money for…

• Working from home

  You may be able to claim tax relief for additional household costs if you…

• Uniforms, work clothing and tools

  You may be able to claim tax relief on the cost of: repairing or replacing…

• Vehicles you use for work

  You may be able to claim tax relief if you use cars, vans, motorcycles or…

• Professional fees and subscriptions

  You can claim tax relief on: professional membership fees, if you must pay…

• Travel and overnight expenses

  If you have to travel for your work you may be able to claim tax relief on…

• Buying other equipment

  You may be able to claim tax relief on the full cost of substantial…

Wage slips must show any deductions and explain them - not everyone has the right to a payslip

How the death of your partner affects your benefits, tax and pension. What you can claim and who to tell about your change of circumstances.

Use inward processing to delay or reduce import duties or VAT on goods that you process or repair.

• Updated: 16 July 2025

Find out about customs special procedures and outward processing that allow you to suspend, pay less or pay no duty on goods you import or export.

• Updated: 23 March 2021

Use the SA303 form to apply to reduce your Self Assessment payments on account.

• Updated: 9 May 2024

Find out what support is available to help with the cost of living: income and disability benefits, bills and allowances, childcare, housing and travel.

Apply to your local council for Council Tax Reduction if you're on a low income or benefits - this replaced Council Tax Benefit