How much of your bonus do you actually keep after tax in 2026?

When you get a bonus, it gets added to your salary and taxed through PAYE in the same pay period it is received. There is no separate "bonus tax rate" — your bonus is just treated as additional employment income. But several factors combine to make your bonus feel heavily taxed.

How bonuses are taxed — the basics

Your employer adds your bonus to your regular monthly pay and calculates tax and National Insurance on the combined total. The key factor is which tax band your combined income falls into in that pay period:

• Basic rate (20%): Annual income up to £50,270 — plus 8% employee NI
• Higher rate (40%): Annual income £50,271 to £125,140 — plus 2% employee NI
• Additional rate (45%): Annual income above £125,140

If your regular salary is £45,000 and you receive a £10,000 bonus in one month, your PAYE system treats that month as though you earn £55,000 × 12 = £660,000 annually for PAYE purposes. This can temporarily push you into the 40% band for that month — but PAYE is cumulative, so it corrects itself over the year.

Real take-home figures at every income level (2026/27)

Here is what a £5,000 bonus looks like after tax and NI at different base salary levels:

• Salary £25,000: Bonus taxed at 20% + 8% NI = 28% combined. Take-home: £3,600
• Salary £45,000: Bonus taxed at 20% + 8% NI (partly) then potentially 40% if it crosses £50,270. Take-home: approximately £3,350–£3,600
• Salary £55,000: Bonus fully in the 40% band + 2% NI = 42% combined. Take-home: £2,900
• Salary £90,000: Bonus in 40% band + 2% NI = 42%. Take-home: £2,900

Plan 2 Student Loan deductions (9% above £29,385) add another significant reduction for graduates — use our bonus calculator to model your exact situation with student loan included.

The £100,000 trap — why a large bonus can be catastrophic

If your salary plus bonus takes your income above £100,000, you enter the 60% effective tax rate zone. This happens because HMRC removes £1 of your Personal Allowance for every £2 earned above £100,000. Between £100,000 and £125,140, the effective marginal tax rate is 60% (40% income tax + losing the allowance worth another 20%). See our £100k tax trap guide for the full breakdown.

Bonus sacrifice — keep more by putting it in your pension

One of the most effective strategies is to ask your employer if you can sacrifice your bonus directly into your pension. If your employer agrees, the bonus never appears in your pay at all — it goes straight into your pension pot. The benefits:

• No income tax on the bonus amount
• No employee or employer NI (employer NI saving is sometimes passed on to you)
• The money grows in your pension tax-free

This is especially powerful if the bonus would push you into the 40% band or above £100,000. Use our salary sacrifice calculator to model the exact saving.

Does the timing of your bonus matter?

Yes — though less than most people think because PAYE is cumulative. If you receive a large bonus early in the tax year, your employer may over-deduct tax because it annualises your income. By the end of the year, this should correct itself and any overpayment is refunded through your payslip or via a P800. If you leave the employer before the correction happens, you may need to claim a refund via Self Assessment or the HMRC refund process.

Bonus and the Child Benefit charge

A bonus that pushes your income above £60,000 can trigger the High Income Child Benefit Charge (HICBC). If you are at risk of this, consider whether pension sacrifice of the bonus could keep you below the £60,000 threshold. See our child benefit calculator to model this.

Frequently Asked Questions

Why did I get taxed at 40% on my bonus when I normally pay 20%?

Your bonus pushed your total income in that month into the higher-rate band. PAYE calculates tax month by month based on annualised income. If your monthly salary + bonus annualises to above £50,270, the excess is taxed at 40%. The PAYE system will correct this if your remaining months bring your annual total back below £50,270 — you will see a higher net pay in subsequent months as the excess tax is refunded through your payslip.

Can I delay a bonus into the next tax year to save tax?

Only if you can genuinely defer when you earn it — for example, if you are a company director and can decide when to declare a bonus. For most PAYE employees, the timing is determined by your employer. If you and your employer agree to pay the bonus in April (the start of the new tax year), you would benefit from a fresh set of allowances. However, most employment contracts specify when bonuses are paid, so this option is limited.

My bonus pushed me into the 40% band briefly — will I get the overpaid tax back?

Yes, as long as you stay with the same employer for the rest of the tax year. PAYE is cumulative and self-corrects. If the bonus pushed you above £50,270 for the year in total and you actually earn less than that annually, the system will refund the overpaid 40% tax through your subsequent payslips. If you leave the employer, you will need to use our tax rebate calculator to claim it back.

Does a non-cash bonus (like vouchers or shares) get taxed differently?

Non-cash bonuses are generally taxed as benefits in kind and reported through a P11D form. Share-based bonuses (EMI options, SAYE schemes, etc.) have specific tax treatments that can be very favourable. If your employer offers share incentive plans, it is worth seeking specialist advice — the tax efficiency can be dramatically better than a cash bonus.

Does my bonus affect my pension contributions?

It depends on your pension scheme rules. Many workplace pension schemes calculate contributions as a percentage of your total earnings including bonuses. If your scheme includes bonuses in pensionable pay, a £10,000 bonus at a 5% employee contribution rate means £500 extra into your pension automatically. Check your pension scheme booklet or ask your HR team to confirm how pensionable pay is defined.