An employee paid £20.00 per hour, working full-time (37.5 hours per week), earns approximately £39,000 per year. The true employer cost is higher: employer NI at 15% on earnings above the £5,000 secondary threshold adds £5,100 per year, and minimum auto-enrolment pension at 3% adds £982 per year on qualifying earnings. Total employer cost: approximately £45,082 per year — or roughly £23.12 per productive hour before overheads.
UK scope: England, Scotland, Wales and Northern Ireland employer payroll planning for the 2025/26 tax year.
£45,083
£3,757 per month on £39,000 salary
£5,100
15% above £5,000 secondary threshold (2025/26)
£983
Baseline employer pension plus configured overheads
Employer NI
15% above £5,000 secondary threshold for 2025/26.
Auto-enrolment pension
Minimum employer contribution 3% on qualifying earnings.
Employment Allowance
Up to £10,500 relief in 2025/26 for eligible employers.
UK coverage only. Last reviewed: 04 April 2026. Estimates use 2025/26 assumptions and are for planning, not legal or tax advice.