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Issue 18 out now · Diesel 199.2p, down 0.1p on last week · Petrol 174.1p, down 0.5p on last week

Fleet calendar // Tax

When does the main-rate writing-down allowance change?

It is on 1 April 2027, 153 days from today (expected).

153 days to go

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What changes

The main-rate writing-down allowance falls to 12%, from 1 April 2027 for Corporation Tax and 6 April 2027 for Income Tax.

Who it affects

Businesses that own their fleet vehicles.

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.

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