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Fleet calendar // Fuel rates

When does the 25p mileage rate change?

It is on 6 April 2027, 158 days from today (expected).

158 days to go

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What changes

The approved mileage allowance for an employee's own car or van above 10,000 business miles rises from 25p to 35p a mile, and the 55p rate for the first 10,000 miles is made permanent.

Who it affects

Grey-fleet drivers using their own vehicles for work, and the fleet managers who set mileage policy.

What to do before it

Update mileage claim policies and expense systems for claims from 6 April 2027.

Source

HM Treasury: Budget 2026, overview of tax legislation and rates, 28 October 2026. Expected: officially stated, but not yet in force or subject to a decision still to come.

THRIVE data: mileage rates

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