Employment Rights Act 2025: Complete Employer Guide
This learning path provides a comprehensive walkthrough of all the major reforms in the Employment Rights Act 2025. It is designed for employers, HR professionals, and managers who want to fully understand the changes and their implications.
Time needed: 45-60 minutes for the full journey.
Structure: This journey is organised by topic area. You can complete it in one session or return to specific sections as needed.
Part 1: Overview and Timeline
The Employment Rights Act 2025 is described as "the biggest upgrade to workers' rights in a generation." It received Royal Assent on 18 December 2025 and contains 28 significant employment reforms.
Key implementation dates
Employment Rights Act 2025: what employers need to know
Complete overview with all implementation dates
Part 2: Day-One Employment Rights (April 2026)
Several employment rights become available from the first day of employment. This is one of the most significant changes for employers.
Statutory Sick Pay changes
SSP is fundamentally reformed:
Statutory Sick Pay changes from April 2026
Detailed guide to SSP changes and payroll requirements
Family leave changes
Several family leave entitlements become day-one rights:
Family leave day-one rights 2026
Checklist for implementing new family leave eligibility
Part 3: Zero-Hours Contract Reform (2026)
While not an outright ban, zero-hours contracts are significantly reformed to end 'exploitative' practices.
Key changes
Zero-hours contracts: new employer obligations
How to comply with guaranteed hours and shift notice
Part 4: Unfair Dismissal Changes
Major reforms to unfair dismissal law come in two phases.
October 2026: Fire and rehire
Fire and rehire becomes automatically unfair dismissal with only a narrow exception for genuine financial crises.
January 2027: Qualifying period
The qualifying period for ordinary unfair dismissal claims reduces from 2 years to 6 months. The compensation cap is also removed.
Unfair dismissal: new rules for employers
Full guide to unfair dismissal changes
Fire and rehire employer guide
Detailed guidance on fire and rehire restrictions
Part 5: Harassment Protections (October 2026)
Employer duties to prevent harassment are strengthened significantly.
Preventing workplace harassment: employer duties
How to comply with harassment prevention duties
Part 6: Trade Union Rights (February 2026)
Significant strengthening of trade union rights, including repeal of previous restrictions.
Implications for employers
- Easier for unions to gain recognition
- Must allow union access to workplace
- Must inform employees of right to join unions
- Strike action will be easier to organise
- Cannot rely on ballot threshold failures
Part 7: Fair Work Agency (April 2026)
A new unified enforcement body launches on 1 April 2026.
Part 8: Collective Redundancy (2026-2027)
Changes to collective redundancy consultation rules.
Collective redundancy: updated consultation rules
Guide to collective redundancy changes
Part 9: Large Employer Requirements (2027)
New requirements for employers with 250+ employees.
Part 10: Employment Tribunal Changes (October 2026)
Time limits for bringing tribunal claims are extended.
Summary and Next Steps
The Employment Rights Act 2025 represents the most significant change to employment law in a generation. Key actions for employers:
- By April 2026: SSP changes, day-one family leave, FWA readiness
- By October 2026: Fire and rehire, harassment, tribunal time limits
- By January 2027: Unfair dismissal procedures, action plans (if 250+)
- Ongoing: Monitor secondary legislation for zero-hours and redundancy thresholds
ERA 2025 compliance checklist
Quick 10-minute compliance check