27/05/2026
HMRC mileage rate rises to 55p: what you need to know
The approved mileage rate for cars and vans has gone up and if you use your own vehicle for work, this is directly relevant to you.
From 6 April 2026, HMRC's Approved Mileage Allowance Payment (AMAP) rate for the first 10,000 business miles has increased from 45p to 55p per mile. It's the first increase since 2011 fifteen years at the same rate so it's a fairly significant change, even if the announcement got a bit lost in the noise last week.
What is the AMAP rate?
The AMAP rate is the amount you can claim tax-free for using your own car on business journeys. It applies whether you're self-employed and claiming mileage against your tax bill, or an employee being reimbursed by your employer. The rate covers fuel, wear and tear, and running costs all rolled into one simple pence-per-mile figure.
Above 10,000 business miles in a tax year, the rate drops to 25p per mile, and that hasn't changed. Motorcycle and bicycle rates (24p and 20p respectively) are also unchanged.
It's backdated so act now
The rate is backdated to 6 April 2026. That means if you've already logged business miles at 45p this tax year, you may have under-claimed. Now is a good time to review your mileage records and make sure you're using the correct figure going forward.
If you're employed and your employer hasn't updated their expenses policy yet, you could be out of pocket. Employees whose employers pay less than the AMAP rate can claim the shortfall through Self Assessment but you'll need evidence of the actual mileage, so keep that log up to date.
How much difference does it make?
More than you might think. At 8,000 business miles a year, the jump from 45p to 55p is worth £800 in extra tax-free reimbursement or deductions. For a sole trader on the basic rate, that's a real saving.
The golden rule: keep a mileage log
Whatever your situation, HMRC expects you to maintain a record of business journeys dates, start and end points, purpose of the trip, and miles covered. A simple spreadsheet works, or there are plenty of mileage tracking apps. Without it, any claim could be challenged.
If you're not sure whether you're claiming correctly, or if you want to review your position since the April change, we're happy to help. We work with self-employed individuals, contractors, and small businesses.
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