Use the free Tax Back Leaving UK Permanently Calculator on ToolVexa for a simplified estimate of a possible tax refund. Enter your tax-year income and tax already paid, press Calculate, and your result appears straight away.
How to Use
Enter the income for the tax year and the total tax already paid through pay or other payments. Press Calculate to see taxable income, simplified tax due and the estimated refund.
Formula in Plain Words
This simplified illustration deducts the £12,570 personal allowance from income, applies a flat 20% basic rate to the remainder, and subtracts that tax due from tax already paid. A positive result is an estimated refund; a negative result would mean extra tax may be due.
Worked Example
For income of £30,000 and tax paid of £5,000, taxable income is £17,430, simplified tax due is £3,486 and the estimated refund is £1,514.
FAQs
Is this an HMRC calculation? No. This is a simplified illustration only. Real tax depends on allowances, rates, benefits, residence and split-year rules.
What if I left part way through the year? Leaving date, residence and employment details can change the outcome, so use official guidance or professional advice before claiming.
Does this cover National Insurance? No. It covers only the simplified income tax illustration described above.