Tax Calendar For April 2025. Calculate your tax for the new tax year at uktaxcalculators.co.uk. Each tax year runs from the 6th of april one year to the 5th of april the following year.

From 1 april 2025, drivers of electric and low emission cars, vans and motorcycles will need to pay vehicle tax in the same way as drivers of internal. It’s also the deadline to file form 4868 to request a tax filing deadline extension.