Mileage Rate 2025 Uk Tax Implications. For cars and vans, a 10,000 mile threshold applies to mileage covered. Mileage allowance payments (maps) are what you pay your employee for using their own vehicle for business journeys.

Calculating business mileage is straightforward. Evs will no longer be exempt from road tax after 1 april 2025 and will need to pay the standard rate (expected to be £165).