Personal Allowance 2025/26 UK: Tax-Free Income, Bands & How to Pay Less Tax

What Is the Personal Allowance?

The Personal Allowance is the amount of income you can earn before paying any income tax in the UK. It is one of the most important parts of the tax system, as it determines how much of your income is completely tax-free.

For most people, this allowance is applied automatically, whether you are employed, self-employed, or receiving pension income.

For the 2025/26 tax year:

You can earn £12,570 tax-free

Once your income exceeds this threshold, income tax begins to apply based on the UK tax bands.

Understanding how the Personal Allowance works is essential if you want to manage your finances efficiently and avoid paying more tax than necessary.

Personal Allowance 2025/26 Explained

For the 2025/26 tax year, the standard Personal Allowance remains:

• £12,570 tax-free income
• Income above this is taxed at 20%, 40%, or 45%

Importantly, these thresholds have been frozen by the government. This means that while your income may increase over time, the amount you can earn tax-free does not.

As a result, more people gradually move into higher tax brackets — even without a real increase in spending power.

This process is known as fiscal drag, and it is one of the key reasons why understanding your tax position is becoming increasingly important.

How Personal Allowance Fits Into UK Tax Brackets

Your Personal Allowance sits at the foundation of the UK income tax system.

Here’s how the full structure works:

You only pay each rate on the portion of income within that band.

For example:

• The first £12,570 is always tax-free
• Only the income above that is taxed

If you want a full breakdown of how tax bands work, see our guide on UK tax brackets.

Personal Allowance vs Tax Bands (Clear Breakdown)

To understand this properly, it helps to look at how income is taxed step by step.

When you earn money:

1. The first £12,570 is tax-free
2. The next portion is taxed at 20%
3. Higher portions are taxed at 40% or 45%

This is called a progressive tax system

This means:

• You are not taxed at one flat rate
• Your income is taxed in layers

For example:

If you earn £30,000:

• You do not pay 20% on the full amount
• You only pay tax on the portion above £12,570

This structure helps prevent sudden jumps in tax liability.

How Personal Allowance Affects Your Take-Home Pay

Your Personal Allowance directly affects how much tax you pay and how much income you keep.

Example 1: £20,000 income

• £12,570 → tax-free
• £7,430 → taxed at 20%

Tax paid: £1,486

Example 2: £50,000 income

• £12,570 → tax-free
• £37,430 → taxed at 20%

Tax paid: £7,486

Example 3: £110,000 income

• Personal Allowance reduced (see below)
• More income taxed at higher rates

This significantly increases your total tax bill

The £100,000 Personal Allowance Tax Trap

One of the most important — and often overlooked — parts of the UK tax system is what happens when your income exceeds £100,000.

Once you earn over £100,000:

• You lose £1 of Personal Allowance for every £2 earned
• Your allowance is completely removed at £125,140

Why this matters

This creates an effective 60% tax rate between £100,000 and £125,140.

This happens because:

• You pay 40% tax on additional income
• At the same time, you lose tax-free allowance

As a result, your real tax rate in this range is much higher than many people expect.

This is commonly referred to as the “£100k tax trap”

What Is Fiscal Drag and Why It Matters

Fiscal drag occurs when tax thresholds remain fixed while incomes rise.

This leads to:

• More people paying tax
• More people moving into higher tax brackets
• Higher overall tax revenue without changing rates

For 2025/26:

• The Personal Allowance is frozen
• Tax bands are frozen

Over time, this increases the effective tax burden on individuals

Even small pay rises can result in higher tax liabilities due to this effect.

Personal Allowance for Different Types of Income

The Personal Allowance applies to most forms of income, but how it is used depends on how you earn.

Employment Income (PAYE)

• Applied automatically via your tax code
• Adjusted through payroll

Self-Employed Income

• Applied when you submit your Self Assessment
• Reduces your taxable profit

Dividend Income

• Personal Allowance is used first
• Then dividend allowance applies

Important for company directors

Pension Income

• Combined with other income
• Uses Personal Allowance first

Who Gets the Personal Allowance?

Most UK taxpayers are entitled to the standard Personal Allowance.

This includes:

• Employees
• Self-employed individuals
• Pensioners

However, your allowance may be adjusted if:

• You earn over £100,000
• Your tax code is changed
• You claim Marriage Allowance
• You have multiple income streams

Can You Increase Your Personal Allowance?

You cannot increase the standard allowance itself, but you can reduce your taxable income.

This effectively allows you to benefit more from it.

Common strategies include:

• Pension contributions
• Salary sacrifice schemes
• Marriage Allowance transfers

These are legitimate ways to reduce your tax liability

How to Plan Your Income Around the Personal Allowance

Understanding your Personal Allowance allows you to make smarter financial decisions.

Employees:

• Consider salary sacrifice
• Review benefits and tax codes

Self-employed:

• Track allowable expenses carefully
• Manage timing of income and costs

Company directors:

• Balance salary and dividends
• Use allowances efficiently

Small changes can have a meaningful impact on your overall tax bill

Common Mistakes People Make

Many taxpayers misunderstand how the Personal Allowance works.

“If I earn more, I lose all my tax-free income”

Only true if income exceeds £125,140

“Higher tax band means all income is taxed more”

Only the portion above the threshold is taxed at the higher rate

“My tax code is always correct”

Tax codes can be wrong — always check them

How Personal Allowance Links to Your Tax Code

Your Personal Allowance is usually reflected in your tax code.

For example:

• 1257L = £12,570 Personal Allowance

If your tax code is incorrect, you may:

• Overpay tax
• Underpay tax

Always review your coding notice from HMRC

Why the Personal Allowance Is So Important

The Personal Allowance impacts:

• Your total tax bill
• Your effective tax rate
• Your monthly income

Because it sits at the foundation of the tax system, even small changes can have a large impact over time.

Use Our UK Tax Calculators

To get a clearer picture of how your Personal Allowance affects your income, use our tools:

• Salary vs Dividend Calculator
• Self-Employed Tax Calculator
• Capital Gains Tax Calculator

These provide more accurate estimates based on your situation

Quick Summary of Personal Allowance 2025/26

• £12,570 tax-free income
• Reduced after £100,000
• Removed at £125,140
• Applies to most income types
• Frozen thresholds increase tax over time