See our guide to check if you need to register for self-assessment as your situation may have changed since last year. Also see the key deadlines for tax returns and the penalties if you miss them.

2026
Mileage allowance to rise to 55p per mile for work journeys
Mileage allowance to rise to 55p per mile for work journeys The Chancellor has announced an increase to the approved mileage allowance for employees and self-employed workers who use their

