Standard Tax Deduction 2024 Uk. Use this service to estimate how much income tax and national insurance you should pay for the current tax year (6 april 2024 to 5 april 2025). How much income tax you pay in each tax year depends on:
Necessary business expenses (which are very narrowly defined) can be deducted from employment income and are not taxable if paid for or reimbursed by the employer. Most people pay class 2 and class 4 contributions through their tax return.