You Might Be Eligible for a Mileage Refund Let’s Confirm Today £2.5 billion in UK mileage refunds go unclaimed yearly. See if you’re eligible – check for free! Have you completed a self-assessment tax return in the last 4 years? No Yes You are not eligible for the mileage tax allowance Are you currently employed (PAYE)? Yes No You are not eligible for the mileage tax allowance Have you earned over 18k each of the last 4 tax years? Yes No You are not eligible for the mileage tax allowance Have you claimed a mileage refund before? Yes No You are not eligible for the mileage tax allowance Congratulations! You may be eligible for a mileage tax allowance.