Annual / Christmas Bonus
Estimate an annual or Christmas bonus (pro-rated by months worked, not a statutory right without a contractual/discretionary scheme). United Kingdom 2026.
Data verified · July 2026
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Everything about Annual / Christmas Bonus
📋Overview+
No general statutory entitlement in the UK: an annual or Christmas bonus depends entirely on the employment contract, a discretionary employer scheme, or custom and practice. This calculator estimates the gross amount (pro-rated by months worked) and a NET-OF-NATIONAL-INSURANCE-ONLY estimate — NOT full take-home pay. NI is assessed per pay period: a bonus paid alongside your normal salary in the same month is charged at the main rate (8%) only up to the Upper Earnings Limit (UEL, GBP 4,189/month); the portion of your combined salary+bonus above the UEL is charged at 2%. Income tax (PAYE) is NOT modeled — use the separate PAYE calculator for full take-home pay.
🔢 Concrete example
For a monthly gross salary of GBP 1,000, full year worked (bonus stays under the UEL): gross bonus GBP 1,000, NI GBP 80 (8%), net-of-NI GBP 920.
📖User guide+
How to use this calculator
- 1
Enter your monthly gross salary (used both for the pro-rata bonus and the UEL check).
- 2
Enter the number of months worked this year.
- 3
Read the gross bonus, whether the UEL was exceeded, and the NI-only net estimate.
📚Glossary+
- Upper Earnings Limit (UEL)
- GBP 4,189/month (2026/27) — the threshold above which employee Class 1 National Insurance drops from the main 8% rate to 2%.
ℹ️Sources & updates+
Last data update
July 14, 2026
Sources and references
Social Security Contributions and Benefits Act 1992, s. 8 (legislation.gov.uk/ukpga/1992/4/section/8); GOV.UK — Rates and thresholds for employers 2026 to 2027 (gov.uk/guidance/rates-and-thresholds-for-employers-2026-to-2027).
The data in this calculator is updated regularly to reflect the latest official rates. When in doubt, consult the official sources listed above.