Personal Allowance UK 2025

Overview

Calculate Personal Allowance UK 2025 using the official rates and regulations for United Kingdom.

How it works

Enter the base amount and the calculator will apply the relevant rates and brackets to compute the result.

Understanding the UK Personal Tax Allowance

The personal allowance for the 2025-26 tax year is £12,570, meaning the first £12,570 of your income is tax-free. This allowance applies to income from employment, self-employment, pensions, rental income, and most other sources, though dividend income has its own £500 allowance and savings income benefits from the personal savings allowance. The personal allowance is reduced by £1 for every £2 of income above £100,000, creating an effective marginal tax rate of 60% on income between £100,000 and £125,140 as the allowance tapers away completely. This taper creates a significant tax planning opportunity, as reducing adjusted net income below £100,000 through pension contributions, gift aid donations, or other reliefs restores the full personal allowance, effectively delivering an additional £5,028 of tax relief on top of the normal 40% higher-rate relief. The personal allowance is frozen at £12,570 until April 2028, meaning that with wage inflation more taxpayers are being pulled into the tax net and higher bands through fiscal drag, increasing the tax burden without any change to the rates themselves.

Marriage Allowance and Transferable Allowances

The Marriage Allowance permits a spouse or civil partner who earns below the personal allowance threshold to transfer 10% of their allowance to their higher-earning partner, reducing the recipient's tax bill by up to £252 per year. Both partners must be basic-rate taxpayers, meaning the recipient's income must be below £50,270. The transfer can be backdated by up to four years, meaning a couple who have been eligible but have not claimed could receive a lump sum of up to £1,188 plus the ongoing annual saving. Claims can be made online through gov.uk and take effect through an adjustment to the recipient's tax code, with the transfer remaining in place until cancelled. The Blind Person's Allowance adds £3,070 to the personal allowance for registered blind individuals and can be transferred to a spouse or civil partner if unused. Understanding these transferable allowances ensures couples optimise their combined tax position, particularly where one partner works part-time or has taken a career break and is not using their full personal allowance.

Using Our Tax Allowance Calculator

Our personal tax allowance calculator shows exactly how your allowance is applied based on your income, including the taper calculation for incomes above £100,000. Enter your gross income and any deductions to see your effective personal allowance, the tax saved by the allowance, and your marginal tax rate at each income level. The calculator also shows the tax benefit of reducing your income below key thresholds through pension contributions or other reliefs, quantifying the additional savings from restoring or preserving your personal allowance. For couples, the calculator models the Marriage Allowance transfer to show the combined tax saving, helping you decide whether claiming is worthwhile for your household. This analysis is essential for earners in the £100,000-£125,140 range where the 60% marginal rate makes pension contributions and other deductions exceptionally tax-efficient.

Other Tax Allowances and Reliefs to Be Aware Of

Beyond the personal allowance, several other allowances can reduce your tax bill. The dividend allowance of £500 means the first £500 of dividend income is tax-free, benefiting small business owners and investors with modest portfolios. The capital gains tax annual exemption of £3,000 allows you to realise investment gains up to this amount tax-free each year, encouraging regular portfolio rebalancing. The trading and property income allowances of £1,000 each provide tax-free thresholds for small-scale self-employment and rental income. The marriage allowance transfer of up to £252 per year helps couples where one partner earns below the personal allowance. Gift Aid donations extend your basic rate band by the gross amount of the donation, which can reduce the tax due on other income and is particularly valuable for higher-rate taxpayers. Professional subscriptions related to your employment are deductible up to the amount approved by HMRC for each professional body. Understanding the full range of allowances available and how they interact ensures you minimise your tax liability through legitimate planning rather than paying more than necessary through ignorance of the reliefs available to you.

Our calculator provides a comprehensive view of all applicable allowances based on your income sources, showing the total tax saved by each relief and identifying any allowances you may be missing that could further reduce your tax bill.