Employment Contract Essentials: What UK Employers Must Include in 2026
What UK Law Requires in Employment Contracts
Since April 2020, employees and workers are entitled to a written statement of particulars from Day 1. This is not just good practice — it's a legal requirement. Failure to provide it can result in employment tribunal claims.
Mandatory Particulars (Day 1)
- Employer's name and address
- Employee's name, job title, and start date
- Pay rate and payment frequency
- Working hours (including whether the employee will work variable hours)
- Holiday entitlement (statutory minimum: 5.6 weeks/28 days)
- Sick pay entitlement (or reference to company sick pay policy)
- Notice period (both employer and employee)
- Job location or locations
- Whether the employment is permanent or fixed-term
- Pension details
Additional Particulars (Within 2 Months)
- Collective agreements that affect the role
- Training requirements
- Work outside the UK (if applicable)
What to Add Beyond the Minimum
A bare-minimum contract protects the employee's rights but not yours. Always add:
- Confidentiality clause — protects trade secrets and client lists
- IP clause — company owns work created in the course of employment
- Garden leave clause — pay the employee but prevent them working during notice
- Post-termination restrictions — non-compete, non-solicit (must be reasonable)
- Disciplinary and grievance procedure — or reference to a separate policy
- Data protection clause — GDPR obligations during and after employment
Common Contract Mistakes
- Using a template that doesn't reflect how the role actually works
- Unreasonably wide non-competes (UK courts will not enforce them)
- Not updating contracts when roles change significantly
- Missing the zero-hours worker designation when required
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