21-22 Tax Return Calculator

Estimate your 2021-22 UK income tax, employee National Insurance, and likely refund or balance due. This calculator is designed for standard employment income and compares your estimated liability with the tax already paid through PAYE.

Personal allowance

£12,570 standard

Employee NI guide

12% then 2%

High income taper

Starts at £100,000

Your estimated 2021-22 result

The result panel updates after you click calculate. It shows estimated tax due, estimated employee NI, and whether your current tax paid suggests a refund or balance due.

This tool is a practical estimator for the 2021-22 tax year. It does not include every specialist rule such as dividend tax, savings allowances, marriage allowance, benefit in kind adjustments, or complex self-employment cases.

Expert guide to using a 21-22 tax return calculator

If you need a reliable way to estimate your 2021-22 tax position, a 21-22 tax return calculator can save time and reduce guesswork. Many people want to know whether they overpaid through PAYE, whether they may owe more tax after filing, or how income, deductions, and regional tax rates changed their overall liability. The tax year that ran from 6 April 2021 to 5 April 2022 used a standard personal allowance of £12,570 for most taxpayers, but the final answer could still vary significantly depending on total income, region, deductions, and whether the personal allowance was reduced at higher income levels.

This calculator is designed as a practical planning tool for people reviewing employment income in the UK. It is especially useful if you are checking P60 figures, comparing payroll deductions with expected annual tax, or trying to understand whether you are likely due a refund. If you lived in Scotland, your income tax bands were different in 2021-22, so a region setting matters. If your income exceeded £100,000, your personal allowance may also have tapered down, which can materially increase the amount of tax due.

What this 21-22 tax return calculator does

At its core, the calculator compares four important inputs. First, it takes your annual gross income. Second, it subtracts any allowable deductions you enter for an adjusted income figure. Third, it applies the correct 2021-22 tax bands based on your chosen region. Fourth, it compares the estimated tax due with the tax already paid through PAYE. The output then gives you a simple estimate of whether you may be due a refund or may need to pay more.

• Gross income: your total annual employment income before tax.
• Allowable deductions: figures that reduce taxable pay in your scenario.
• Tax already paid: often found on a P60 or final payslip.
• Region: England, Wales and Northern Ireland use one set of rates, while Scotland uses its own 2021-22 non-savings bands.

The tool also shows estimated employee National Insurance for context. While income tax and NI are separate charges, many people reviewing their pay want to see both because they affect net income across the year.

Official 2021-22 tax thresholds you should know

For most UK taxpayers in 2021-22, the personal allowance was £12,570. In England, Wales and Northern Ireland, the first £37,700 of taxable income above the allowance was taxed at 20%, the next slice up to £150,000 was taxed at 40%, and income above that level was taxed at 45%. Scotland had a more graduated structure with starter, basic, intermediate, higher and top rates for non-savings, non-dividend income.

Region	Personal allowance	Basic or starter bands	Higher bands	Top rate
England, Wales, Northern Ireland	£12,570 standard, tapered above £100,000	20% on the first £37,700 of taxable income	40% from £37,701 to £150,000 taxable range	45% above £150,000
Scotland	£12,570 standard, tapered above £100,000	19% on £2,162, 20% on next £10,956, 21% on next £17,974	41% from taxable income above £31,092 up to £150,000 total income level	46% above £150,000
Employee National Insurance guide	Primary threshold £9,568	12% from £9,568 to £50,270	2% above £50,270	Separate from income tax

These figures are why a dedicated 21-22 tax return calculator is useful. Even if two people earned similar salaries, the result could differ if one had deductions, lived in Scotland, or had enough income to lose part of the personal allowance. Official references for rates and filing rules can be found on GOV.UK income tax rates and allowances, GOV.UK Self Assessment tax returns, and the Scottish Government page for Scottish income tax rates and bands.

How the personal allowance taper affects high earners

One of the most misunderstood 2021-22 rules is the reduction in personal allowance once adjusted net income exceeds £100,000. The allowance falls by £1 for every £2 above that threshold. That means it reaches zero when income hits £125,140. The practical effect is a much higher effective tax burden across that band because you are not only paying higher rate tax on extra income, but also losing tax free allowance at the same time.

For example, if someone had £110,000 of income in 2021-22 and no deductions, they were £10,000 above the taper threshold. That would reduce the personal allowance by £5,000, leaving a remaining allowance of £7,570. If the same person had entered pension contributions or other qualifying deductions that reduced adjusted income, the final tax bill could look very different. This is one reason tax planning discussions often focus on pension contributions around the £100,000 line.

Worked comparison examples for England, Wales and Northern Ireland

The table below uses official 2021-22 thresholds to show how tax rises as income increases under a standard employment scenario with no extra deductions. These examples are useful for sense checking your own result.

Gross income	Personal allowance used	Taxable income	Estimated income tax due	Estimated employee NI
£30,000	£12,570	£17,430	£3,486	£2,451.84
£50,000	£12,570	£37,430	£7,486	£4,851.84
£80,000	£12,570	£67,430	£19,432	£5,646.60
£120,000	£2,570	£117,430	£39,432	£6,446.60

These example outputs illustrate a key point. As income rises into the higher rate range, the tax bill accelerates quickly. Once the personal allowance taper begins, the increase can be even sharper. That is why people completing a tax return for 2021-22 often review their P60, benefits, and pension figures very carefully before filing.

Who should use a 21-22 tax return calculator

• Employees checking whether PAYE deductions broadly match annual liability.
• People with changing salaries during the 2021-22 tax year.
• Taxpayers who moved into or out of Scotland and need to compare regional tax treatment.
• Higher earners assessing whether the personal allowance taper may have applied.
• Anyone preparing for Self Assessment and wanting a fast estimate before filing.

It is particularly helpful before you submit a return, because it gives you a high level view of what your annual tax position should look like. If your estimate is far away from the tax already paid, that is a signal to review your documentation more closely.

Step by step: how to use the calculator well

1. Take your gross employment income for the 2021-22 tax year from payroll records, P60 data, or final annual summaries.
2. Enter the tax already deducted through PAYE. This lets the calculator estimate whether a refund or payment may be due.
3. Add any allowable deductions that apply to your situation if they reduce taxable income in your case.
4. Select the correct region. Scotland should only be chosen if Scottish income tax rates apply to you for that year.
5. Click calculate and review the income tax, NI, and final estimated position.
6. If the result looks wrong, recheck whether your figures include only employment income or whether there were benefits, savings income, dividends, or other items not captured here.

Common reasons your actual return may differ from a calculator estimate

Even a good 21-22 tax return calculator has limits, because tax law includes many rules beyond headline rates. Your real return can differ for several reasons:

• Dividend income: dividends use their own allowance and tax rates.
• Savings interest: personal savings allowance and starting rate rules can apply.
• Benefits in kind: company cars, private medical cover, and other benefits can change taxable income.
• Marriage allowance or blind person’s allowance: these can change the final bill.
• Self-employment profits: a simple employment calculator may not reflect all allowable business expenses or Class 2 and Class 4 National Insurance.
• Student loan deductions: these are separate from income tax and NI but affect net pay.
• Payroll timing issues: monthly PAYE deductions can differ slightly from annualized estimates due to cumulative tax coding and in year changes.

Practical interpretation tip

If your estimated tax due is lower than the tax already paid, you may be looking at a potential refund scenario. If it is higher, there may be an underpayment to investigate. The calculator does not replace filing advice, but it gives a fast and useful benchmark. That benchmark is often enough to spot tax code issues, over deductions, or a missing adjustment.

Why accuracy matters for 2021-22 reviews

Many people revisit prior tax years when correcting payroll records, checking overpayments, or preparing late or amended submissions. A 21-22 tax return calculator is valuable because the tax system changes year by year. Using the wrong year’s thresholds can produce misleading results. For example, a personal allowance figure, NI threshold, or regional band that belongs to a different year can shift the answer by hundreds or even thousands of pounds.

That is why this page focuses specifically on the 2021-22 rules. It gives you a period correct estimate rather than a generic modern tax illustration. If you are comparing payroll records against HMRC data, this year specific approach is much more useful than a broad tax calculator that defaults to current rates.

Final thoughts on using this 21-22 tax return calculator

A strong calculator should do more than just multiply income by a rate. It should recognize the correct tax year, handle personal allowance logic, distinguish Scotland from the rest of the UK where relevant, and present the result in a way that is easy to compare with tax already paid. That is exactly the purpose of this tool. Use it as a first pass review, then validate the result against your official records.

If your case includes anything more complex than straightforward employment income, consider cross checking with official guidance or a qualified adviser. The best use of a calculator is to give yourself a well informed starting point, identify possible refund or underpayment scenarios quickly, and approach filing with greater confidence.