Is a pay rise worth it after tax in the UK?

Yes, a pay rise is always financially beneficial in the UK. The UK utilizes a progressive tax system, which means that higher tax rates are only applied to the portion of your income that falls within that specific band, not your entire salary. You will never take home less cash overall after receiving a salary increase. However, due to higher marginal tax rates and other deductions like student loans and pension contributions, the percentage of the raise you keep in your pocket will be lower than your average take-home percentage.

How does a salary increase tax calculator determine my new take-home pay?

A salary increase tax calculator models your current and proposed gross salaries side-by-side. It applies the 2026/27 statutory allowances and thresholds to both figures, computing the Income Tax, National Insurance, pension contributions, and student loans for each. By comparing the two net totals, the calculator determines the exact incremental increase in your net pay, showing you exactly how much of your pay raise translates to actual take-home cash.

What is the 60% marginal tax rate trap, and how does a pay rise trigger it?

The 60% tax trap is caused by the tapering of the Personal Allowance for earners with incomes between £100,000 and £125,140. Under HMRC rules for 2026/27, your £12,570 Personal Allowance is reduced by £1 for every £2 of income above £100,000. If you receive a pay rise in this bracket, you pay the standard 40% Higher Rate tax on the increase, plus an additional 20% effective tax because you lose your tax-free allowance. Adding the 2% Class 1 National Insurance, the effective marginal deduction rate is 62%, leaving you with only 38% of your raise.

Will my pay raise push me into the Higher Rate tax band?

A pay rise will push you into the Higher Rate tax band if it causes your total gross income to exceed the Higher Rate threshold, which is £50,270 for the 2026/27 tax year (assuming a standard 1257L tax code). If your salary increases from £48,000 to £53,000, you will cross the threshold. However, only the portion of your salary above £50,270 (i.e., £2,730) will be taxed at the Higher Rate of 40%. The rest of your salary will continue to be taxed at the 20% basic rate and 0% personal allowance rate.

Can a pay rise affect my Child Benefit entitlement?

Yes, if your pay rise pushes your adjusted net income above £60,000, you will start paying the High Income Child Benefit Charge (HICBC) under 2026/27 rules. The charge is equal to 1% of the Child Benefit received for every £200 of income above £60,000. Once your income reaches £80,000, the charge equals the full benefit, clawing it back entirely. If you have multiple children, this clawback can significantly increase your effective marginal tax rate on your raise, making a salary increase feel much smaller.

How does a salary increase impact my pension contributions?

If your workplace pension contributions are set as a percentage of your salary (for example, the statutory minimums of 5% employee and 3% employer), a pay rise will automatically increase your absolute contributions. While this means a larger deduction from your monthly payslip, it is highly tax-efficient because your pension contributions are deducted before tax, providing immediate tax relief. Additionally, your employer's matching contribution will increase, accelerating your retirement savings.

Can I use pension salary sacrifice to offset a pay rise?

Yes. If a pay rise pushes you into a higher tax bracket (such as crossing £50,270 or £100,000) and you want to avoid paying higher rates of tax or losing benefits, you can request that your employer pay the increase directly into your workplace pension via a salary sacrifice agreement. This reduces your taxable salary back to your desired level, avoiding the higher tax rates and National Insurance entirely while building your pension pot.

What happens to my student loan deductions after a pay rise?

Student loan deductions are calculated at 9% (or 6% for Postgraduate loans) on earnings above your plan's threshold. Because student loans are calculated as a flat percentage of your earnings above the threshold, any pay rise will result in a larger deduction. If you are a basic rate taxpayer with a student loan, your marginal deduction rate on a salary increase will be 37% (20% tax + 8% National Insurance + 9% student loan), meaning you keep 63p of every £1 of your pay raise.

Pay Rise Calculator 2026/27

Pay Rise Calculator

✓ Verified for 2026/27

Pay Rise Details

Current Annual Salary

Rise Type

Rise Percentage

Tax Region

Student Loan Plan

Pension Contribution (%)

ⓘ

This calculator shows how much of your pay rise you actually keep after Income Tax, National Insurance, Student Loans, and Pension deductions.

New Take-Home Pay

£36,500

annual net pay

Take-Home Increase

£1,500

extra monthly

Marginal Tax Rate

32.0%

tax & NI on rise

Amount of Rise Kept

68.0%

kept in your pocket

Breakdown of the Pay Rise

Gross Pay Rise £2,250

Tax on Rise £450

NI on Rise £180

Student Loan on Rise £0

Pension on Rise £0

Net Pay Rise Kept £1,620

Kept 68%

Tax 20%

NI 12%

Before Rise

Annual Gross: £45,000

Annual Net: £35,000

Monthly Net: £2,917

After Rise

Annual Gross: £47,250

Annual Net: £36,620

Monthly Net: £3,052

Useful Pay Rise Guides

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Verified for Accuracy (2026/27 Tax Year)

Fact-checked and audited by David Vance, CTA FCA, Chartered Tax Advisor & Accountant. Verified against official HMRC rules.

How We Calculated This

Establish Pre-Rise Baseline: The calculator first computes your net take-home pay, Income Tax, National Insurance, pension contributions, and student loan deductions based on your current salary using the precise thresholds and bands for the 2026/27 tax year.
Establish Post-Rise Projection: Next, the calculator applies the same 2026/27 rules and thresholds to your proposed new salary, establishing your updated net take-home pay and deduction profile.
Calculate Incremental Net Value: The calculator subtracts your old net take-home pay from your new net take-home pay to determine the exact cash increase you will receive in your bank account, highlighting the true net benefit of the raise.
Analyze Bracket Transitions: The calculator identifies if your salary increase crosses any critical tax thresholds (e.g., £50,270 higher rate threshold, £60,000 High Income Child Benefit Charge threshold, £100,000 personal allowance taper threshold, or £125,140 additional rate threshold) and evaluates the change in your marginal tax rate.
Apply Marginal Tax and National Insurance Rates: For the salary increase portion, the calculator computes the marginal rates of deduction: 20% basic rate, 40% higher rate, or 45% additional rate for Income Tax; and 8% or 2% for Class 1 employee National Insurance. If your increase is within the basic rate band, your marginal tax and NI rate is 28%; if it crosses into the higher rate band, the marginal rate rises to 42%.
Adjust Percentage-Based Deductions: The calculator adjusts pension contributions (e.g., 5% employee, 3% employer) and student loan deductions (9% or 6%), which automatically scale up with your higher gross salary, and shows their impact on your final net take-home pay.

Real-World Examples

Detailed Math for a Pay Rise from £48,000 to £53,000 (Crossing the Higher Rate Threshold)

This scenario details the calculations for a £5,000 pay rise that crosses the £50,270 Higher Rate threshold. It assumes standard UK tax bands (England/NI/Wales), a standard 1257L tax code, no pension contributions, and no student loan repayments.

Step 1: Calculate Pre-Rise Net Pay (Gross = £48,000.00):
        - Taxable Income = £48,000.00 - £12,570.00 (Personal Allowance) = £35,430.00
        - Income Tax (20% Basic Rate) = £35,430.00 * 0.20 = £7,086.00
        - Employee Class 1 NICs (8% above £12,570) = (£48,000.00 - £12,570.00) * 0.08 = £2,834.40
        - Total Pre-Rise Deductions = £7,086.00 + £2,834.40 = £9,920.40
        - Pre-Rise Net Take-Home Pay = £48,000.00 - £9,920.40 = £38,079.60
Step 2: Calculate Post-Rise Net Pay (Gross = £53,000.00):
        - Taxable Income = £53,000.00 - £12,570.00 = £40,430.00
        - Basic Rate Band (£37,700.00 taxable) is fully utilized: Tax = £37,700.00 * 0.20 = £7,540.00
        - Remaining Taxable Income in Higher Rate Band = £40,430.00 - £37,700.00 = £2,730.00
        - Higher Rate Tax (40%) = £2,730.00 * 0.40 = £1,092.00
        - Total Post-Rise Income Tax = £7,540.00 + £1,092.00 = £8,632.00
        - Post-Rise Class 1 NICs:
          NIC on Basic Band (£37,700.00) at 8% = £3,016.00
          NIC on Higher Band (£2,730.00) at 2% = £54.60
          Total Post-Rise NICs = £3,016.00 + £54.60 = £3,070.60
        - Total Post-Rise Deductions = £8,632.00 + £3,070.60 = £11,702.60
        - Post-Rise Net Take-Home Pay = £53,000.00 - £11,702.60 = £41,297.40
Step 3: Calculate the Net Benefit of the Pay Rise:
        - Gross Salary Increase = £5,000.00
        - Net Take-Home Pay Increase = £41,297.40 - £38,079.60 = £3,217.80
        (This means you keep 64.36% of the pay rise. The remaining £1,782.20, or 35.64%, is paid in tax and National Insurance.)

Detailed Math for a Pay Rise from £98,000 to £108,000 (The 60% Personal Allowance Taper Zone)

This scenario details the impact of a £10,000 pay rise that crosses into the £100,000 Personal Allowance taper zone. It assumes standard UK tax bands (England/NI/Wales), a standard 1257L tax code, no pension contributions, and no student loan repayments.

Step 1: Calculate Pre-Rise Net Pay (Gross = £98,000.00):
        - Taxable Income = £98,000.00 - £12,570.00 = £85,430.00
        - Basic Rate Tax (20% on £37,700.00) = £7,540.00
        - Higher Rate Tax (40% on £47,730.00) = £19,092.00
        - Total Pre-Rise Income Tax = £26,632.00
        - Pre-Rise Class 1 NICs:
          NIC on Basic Band (£37,700.00) at 8% = £3,016.00
          NIC on Higher Band (£47,730.00) at 2% = £954.60
          Total Pre-Rise NICs = £3,970.60
        - Pre-Rise Net Take-Home Pay = £98,000.00 - £26,632.00 - £3,970.60 = £67,397.40
Step 2: Calculate Post-Rise Net Pay (Gross = £108,000.00):
        - Personal Allowance Taper: Since income is £108,000.00, your £12,570.00 allowance is reduced by (£108,000.00 - £100,000.00) / 2 = £4,000.00.
          New Personal Allowance = £8,570.00
        - Taxable Income = £108,000.00 - £8,570.00 = £99,430.00
        - Basic Rate Tax (20% on £37,700.00) = £7,540.00
        - Higher Rate Tax (40% on £61,730.00) = £24,692.00
        - Total Post-Rise Income Tax = £32,232.00
        - Post-Rise Class 1 NICs:
          NIC on Basic Band (£37,700.00) at 8% = £3,016.00
          NIC on Higher Band (£57,730.00) at 2% = £1,154.60
          Total Post-Rise NICs = £4,170.60
        - Post-Rise Net Take-Home Pay = £108,000.00 - £32,232.00 - £4,170.60 = £71,597.40
Step 3: Calculate the Net Benefit of the Pay Rise:
        - Gross Salary Increase = £10,000.00
        - Net Take-Home Pay Increase = £71,597.40 - £67,397.40 = £4,200.00
        (This means you keep only 42.00% of the raise, and 58.00% is lost to tax and National Insurance. This is the direct result of the 60% marginal tax rate plus 2% NICs in the taper zone.)

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Frequently Asked Questions & Detailed Tax Guide

How is a pay rise taxed in the UK?

A pay rise in the UK is subject to the progressive tax bands of the 2026/27 tax year. Only the portion of your income that crosses into a higher tax bracket is taxed at the higher rate. A common misconception is that a pay rise can reduce your net take-home pay by pushing you into a higher tax bracket. In reality, you will always take home more total cash, but the effective tax rate on the pay rise portion (marginal rate) will be higher. For example, crossing £50,270 will subject the excess to 40% income tax and 2% National Insurance.

What are the critical tax traps associated with a pay rise?

While you always retain some of your pay rise, crossing specific thresholds can trigger steep effective tax brackets:
– The £50,000 Child Benefit Trap: High Income Child Benefit Charge applies starting at £60,000 up to £80,000.
– The £100,000 Personal Allowance Taper: Your personal allowance is reduced by £1 for every £2 earned over £100,000, creating a painful **60% marginal tax rate** between £100,000 and £125,140. You also lose all tax-free childcare benefits.

Tax Expert Pro-Tips: Reclaiming the Net Rise

David Vance, CTA FCA, recommends: “If a pay rise pushes you into the £100,000 trap, you can choose to sacrifice the excess portion directly into your pension scheme. This keeps your adjusted net income at £100,000, fully preserving your Personal Allowance and childcare benefits, while building tax-free retirement wealth.”

Legislative References

Income Tax Act 2007 (Section 35) – Personal Allowance tapering.
Childcare Payments Act 2014 – Eligibility limits for tax-free childcare.