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22 March 2024 - 2 min read

Mileage tax relief

Mileage tax relief is a deduction you can claim on your yearly tax return for any mileage you’ve driven for business purposes. If you use your personal vehicle for business-related driving, you will be eligible to claim mileage tax relief.

You should log your business-related driving to substantiate your mileage relief claim. The Driversnote mileage tracker app will record your trips automatically and you can generate HMRC-compliant reports of your miles.

Rules on claiming mileage tax relief

Learn all the ins and outs of claiming mileage tax relief depending on your situation in our dedicated article.

If your employer reimburses you for your business mileage at the approved HMRC mileage rates, you will not be able to claim mileage tax relief.

Your tax relief on mileage is based on the HMRC approved mileage rates. The rates are:

  • 45p per business mile for cars and vans, up to 10,000 miles
  • 25p per mile for over 10,000 miles for cars and vans
  • 24p per business mile for motorcycles
  • 20p per business mile for bicycles

If you are reimbursed by your employer at lower rates than the HMRC approved, you will be able to claim the difference as tax relief on mileage. For example, if you receive 20p per mile, instead of the standard 45p, you will be eligible to claim mileage tax relief at 25p per mile.

The approved HMRC rates have been unchanged for the past 13 years, so you can use these rates to claim mileage for the previous year too. Calculate the tax relief on mileage by multiplying all business miles you’ve driven throughout the year by the corresponding rates.


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How to claim mileage tax relief

You can claim tax relief on mileage each year on Self Assessment as self-employed, or through the P87 tax form as an employed individual on your tax return. You will need to have records showing your mileage for the year and clear calculations of how you worked out the relief you are claiming.

In order to provide compliant records for the tax relief on mileage, you will have to log the following information throughout the year for each journey:

  • The date
  • The start and end addresses, including postcodes
  • The number of miles you’ve driven
  • How much (if any) mileage allowance you have received from your employer.


If you drive your personal vehicle for business purposes and receive no reimbursement from your employer, you will be able to claim tax relief for your incurred expenses. If you are partly reimbursed by your workplace, you will be able to claim the difference to the official HMRC rate. As a self-employed individual, you will be able to claim all your business mileage on tax relief.
You can claim mileage tax relief if you drive a car at 45p per mile for the first 10 000 miles you drive for business and 25p per mile after that.

How to automate your mileage logbook

Manually filling out your logbook can get tedious - see how to automatically track trips for your mileage reimbursement or deductions.
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