UK · Employment law

Fixed-term contract notice

Fixed-term employees in the UK have the same statutory notice rights as permanent employees. Early termination requires either a contractual break clause or mutual agreement. Fixed-term employees cannot be treated less favourably than permanent employees on comparable work, and become permanent after four continuous years of successive fixed-terms.

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What a fixed-term contract is

A fixed-term contract is an employment contract that ends automatically on one of three triggers:

  • A specified date - e.g. "12 months from 1 January 2026".
  • Completion of a specific task - e.g. "delivery of the new website".
  • Occurrence of a specific event - e.g. "return of the substantive post-holder from maternity leave".

Fixed-term is distinct from probation (probation is a review period at the start of a normal permanent contract) and from casual or zero hours work (no mutuality of obligation between assignments). The employee is a normal employee with all normal employee rights; the only difference is that the contract has a defined end.

Notice under a fixed-term contract

Notice on a fixed-term follows the standard rules:

  • Section 86 Employment Rights Act 1996 applies - one week statutory notice from one month of service, rising with tenure for the employer side.
  • Contractual notice usually applies within the fixed-term - typically one month for professional roles, longer for senior fixed-terms.
  • Where a break clause is included, either side can end the contract on the specified notice.
  • Without a break clause, early termination is a breach of contract, potentially recoverable as damages for the balance of the term.

The notice period calculator works out the final working day from any notice given during the fixed-term.

Break clauses

A break clause converts the fixed-term into a hybrid arrangement: either side can terminate early with contractual notice, but the contract still ends automatically on the fixed date if the break is not exercised. Break clauses are common in academic (research), interim management, project-based and maternity-cover fixed-terms.

Read the break clause carefully. It usually specifies:

  • Length of notice (usually 1-3 months).
  • Whether notice can be given at any time or only after a defined period.
  • Whether the break is bilateral (both sides) or unilateral (one side only).
  • Any consequences of early termination (pro-rata bonus, waiver of restrictive covenants).

Less favourable treatment protection

The Fixed-term Employees (Prevention of Less Favourable Treatment) Regulations 2002 prohibit less favourable treatment of fixed-term employees compared to permanent employees on comparable work, unless the difference is objectively justified. Protected areas:

  • Pay - basic pay, overtime rates, allowances.
  • Holiday entitlement.
  • Sick pay and family leave provisions.
  • Access to occupational pension.
  • Training and development opportunities.
  • Contract-end-date bonuses (pro-rata).

Objective justification means proportionate means of achieving a legitimate business aim - not just cost. Blanket exclusions of fixed-term employees from occupational schemes are usually unlawful without individual justification.

Renewal and non-renewal

Non-renewal of a fixed-term at its natural expiry is a dismissal in law (section 95 ERA). This has practical consequences:

  • Where the employee has 2 years continuous service, unfair dismissal protection applies - the employer must have a fair reason (typically some other substantial reason - SOSR - or redundancy) and follow a fair procedure.
  • Statutory redundancy pay applies if the reason for non-renewal is redundancy.
  • The final working day is the fixed-term end date. Notice under section 86 must still be given if the fixed-term itself was shorter than the statutory notice.

For the framework see unfair dismissal UK and redundancy rights UK.

Four-year rule - conversion to permanent

Under Regulation 8 of the Fixed-term Regulations 2002, an employee on successive fixed-term contracts becomes permanent after 4 continuous years unless the continued use of fixed-term is objectively justified. Practical points:

  • Successive means one after the other. Gaps of less than one month typically preserve continuity; longer gaps break it.
  • The clock starts on the earliest of the fixed-terms.
  • Once permanent status kicks in, the next expiry is an unfair dismissal risk without a fair reason.
  • Objective justification is a high bar - usually applied only in academic research (grant-funded posts) and some maternity/paternity cover scenarios.

Pay in lieu and early termination

Where a fixed-term is terminated early without a break clause, the employee is entitled to damages for the balance of the term (subject to a duty to mitigate). Damages typically include:

  • Basic pay for the balance of the term.
  • Contractual bonuses that would have accrued.
  • Employer pension contributions for the balance of the term.
  • Contractual benefits (private medical insurance, car allowance) for the balance of the term.

Mitigation duty: the employee must take reasonable steps to find alternative work; damages are reduced by earnings the employee could reasonably have earned. For the general framework on PILON and end-of-contract payments see PILON calculator and PILON tax.

Bringing a claim

Common fixed-term claims:

  • Less favourable treatment - tribunal under Regulation 6 within 3 months.
  • Unfair dismissal on non-renewal (2 years service required) - tribunal within 3 months.
  • Redundancy pay on non-renewal for redundancy reason (2 years service) - tribunal within 6 months of the date of leaving.
  • Wrongful dismissal for early termination without break clause - tribunal or civil court within 3 months (tribunal cap £25,000) or 6 years (civil court).
  • Right to a written statement of the reason for non-renewal (Reg 5 declaration).

See employment tribunal UK for the framework and the unfair dismissal compensation table.

Useful calculators

Related guides

Authority pages

Frequently asked questions

What notice does a fixed-term contract need?
Section 86 ERA statutory notice applies (one week from one month of service, rising with tenure for the employer). Contractual notice under the fixed-term is usually more generous (1-3 months typical). Without a break clause, early termination is a breach of contract.
Can a fixed-term contract be terminated early?
Only with a contractual break clause, mutual agreement, or as a lawful dismissal for gross misconduct. Without a break clause, early termination is breach of contract - the employee can claim damages for the balance of the term subject to mitigation.
When does a fixed-term become permanent?
After 4 continuous years of successive fixed-terms, unless continued use of fixed-term is objectively justified. Objective justification is a high bar - typically applied to grant-funded academic research posts and some maternity/paternity cover roles.
Do fixed-term employees get redundancy pay?
Yes if the reason for non-renewal is redundancy and the employee has 2 years continuous service. Non-renewal on redundancy grounds is a dismissal in law and triggers statutory redundancy pay under the normal rules.
Are fixed-term employees entitled to holiday pay?
Yes on the same basis as permanent employees, pro-rated to length of contract if less than a full year. Less favourable holiday treatment is unlawful under the Fixed-term Regulations 2002 unless objectively justified.

Sources and further reading

General information about UK employment law, not legal advice. For your situation, contact ACAS or an employment-law solicitor.