Fixed-term contract UK: what to check before you sign

A fixed-term contract is an employment contract that ends automatically at a defined point: a calendar date, the completion of a particular task, or a specific event happening. That is the whole of the definition. You are an employee, with employee rights, and the only structural difference from a permanent job is that an ending is already written into the document.

Which is why the useful question is not "what does fixed-term mean" but what your contract does with that ending. Two twelve-month contracts can look identical on page one and leave you in completely different positions: one lets your employer walk away in a fortnight, the other owes you the balance of the year. Here is what to check.

Key Takeaways

• Four years of continuous employment across successive fixed-term contracts makes you permanent by operation of law, unless your employer can objectively justify the fixed term.
• Expiry without renewal is a dismissal in law, not a neutral event. From 1 January 2027 your employer must justify it after six months' service rather than two years'.
• Two years' continuous service entitles you to statutory redundancy pay if the work has gone. A clause waiving that right is worthless.
• You have a statutory right not to be treated less favourably than a comparable permanent colleague, unless the difference is objectively justified.
• The early-termination clause matters most. Without one, neither side can end the contract early. With a one-sided one, only your employer can.

What makes a contract fixed-term

A fixed-term contract is defined by how it ends, not by how long it runs or what the job is called. Under the Fixed-term Employees (Prevention of Less Favourable Treatment) Regulations 2002, it is fixed-term when due to end on one of three triggers: a date, the completion of a task, or a specified event, most often cover ("until the postholder returns from maternity leave") or funding. The Employment Rights Act 1996 calls it a limited-term contract and the trigger a limiting event, worth recognising because the statute uses that wording for what happens at the end.

Length is irrelevant. A three-week contract and a five-year contract are both fixed-term, and so is a rolling series of six-month contracts, which is where most of the real problems start.

"Temporary" covers four legally distinct arrangements. Agency work usually makes you the agency's worker rather than the hirer's employee, with the Agency Workers Regulations 2010 applying instead. A zero-hours contract has no guaranteed hours and usually no end date, so it is generally not fixed-term: the two are insecure in opposite ways. A service or consultancy agreement does not make you an employee at all, so a document titled "Fixed Term Agreement" that calls you a contractor with no employment rights is doing something other than what its title suggests. And probation is a trial window inside a contract, not an end date on it, so probation inside a fixed term is a combination worth reading twice.

Four groups sit outside the 2002 Regulations altogether: agency workers, apprentices, members of the armed forces, and people on a government training scheme or a work placement of a year or less forming part of a higher education course.

The four-year rule: when fixed-term becomes permanent

This is the rule most people on repeat contracts have never heard of, and it has the largest effect on their position. Under regulation 8, if your contract has been renewed at least once, or you were on a fixed-term contract with the same employer before this one, and your continuous employment reaches four years or more, the clause putting an end date on your contract stops having effect and you become a permanent employee. It happens by operation of law. Nobody has to offer it to you.

There are two ways out for the employer: continued use of a fixed term is objectively justified, meaning a genuine business reason beyond "we prefer the flexibility", or a collective or workforce agreement at that workplace has replaced the four-year rule with different limits (another maximum period, a cap on successive contracts, or its own grounds for renewal). Universities, the NHS and parts of local government have such agreements, so check before assuming four years is your number.

"Successive" tolerates gaps. Employers sometimes insert a break of a few weeks between contracts on the theory that it resets the clock. Often it does not: section 212 of the Employment Rights Act 1996 preserves continuity where the gap was a temporary cessation of work, which covers the classic term-time or seasonal pattern. Do not assume your service resets.

You can ask for confirmation in writing. Once you think you have crossed four years, request a written statement confirming you are now permanent. Your employer has 21 days to reply, either confirming it or setting out why the fixed term still applies. Ask even if you expect a no: a tribunal can draw adverse inferences from a statement that is withheld, evasive or equivocal. Make the request, and any tribunal application, while you are still employed: regulation 9(6) allows a declaration only where you have already asked for a statement and are still employed by that employer on the day you apply.

💡 Pro Tip: If this is your third or fourth contract with the same employer, work out your total continuous service before you sign. A renewal offered just before you cross four years is worth asking about.

Non-renewal is a dismissal, whatever anyone calls it

When a fixed-term contract expires, the language goes passive: the contract "came to an end", the role "was not extended", the funding "ran out". It sounds like weather. In law it is not. The expiry of a fixed-term contract without renewal is a dismissal. Section 95(1)(b) of the Employment Rights Act 1996 says it directly: you are dismissed if you are employed under a limited-term contract and it terminates by virtue of the limiting event without being renewed.

That changes what your employer has to do. A dismissal needs a potentially fair reason and a fair process, and cannot be for a discriminatory reason, because you asserted a statutory right, or because you blew the whistle. Those protections apply from day one with no qualifying service, so they cover even a short contract.

What expiry does not automatically give you is an ordinary unfair dismissal claim, which still needs qualifying service. Today that is two years, which is why non-renewal of a twelve-month contract has historically been near impossible to challenge on those grounds.

That is changing, and the date is now fixed rather than proposed. Section 25 of the Employment Rights Act 2025 cuts the qualifying period from two years to six months, with commencement regulations bringing it into force on 1 January 2027, and removes the cap on the compensatory award from the same date. It counts service you have already built, so if you are employed on or before 1 July 2026 you are over the line the day it commences. A twelve-month contract signed now will spend most of its life on the protected side of a six-month qualifying period, which turns letting it expire into a dismissal your employer has to justify rather than a formality. Read the renewal wording with that in mind.

Redundancy: what two years of service actually gets you

If your contract is not renewed because the work has stopped, diminished or is no longer needed, that is a redundancy, and non-renewal counts as a dismissal for redundancy purposes just as it does for unfair dismissal. With two years' continuous service you get a statutory redundancy payment based on your age, length of service and weekly pay. For redundancies on or after 6 April 2026 the weekly figure is capped at £751 and the maximum payment at £22,530, with service counted up to 20 years. Those limits re-set every April. Under two years there is no statutory payment, though a contractual scheme may still apply.

Redundancy waiver clauses are dead. Fixed-term contracts once signed away statutory redundancy pay on expiry, and separately waived unfair dismissal rights. Both are gone: the unfair dismissal waiver was repealed in October 1999, the redundancy waiver ceased to have effect when the 2002 Regulations came in. A contract saying you waive your redundancy entitlement, or that expiry is not a redundancy, does not work.

Continuous service is often longer than the contract. Your entitlement runs on total continuous employment. Someone on their fifth consecutive one-year contract has five years of service, not one, unless the chain was genuinely broken.

The consultation gap nobody mentions

When an employer plans 20 or more redundancies at one establishment within 90 days, collective consultation obligations kick in: a minimum period before the first dismissal, and consultation with representatives. Section 282 of the Trade Union and Labour Relations (Consolidation) Act 1992 takes fixed-term employees out of that process where the contract is simply running to its end. You are not counted toward the 20, and not consulted.

The exception is the useful half. If they want to make you redundant early, before the end date, task or event, you are back inside those rules like everyone else. The same restructure can put you inside or outside the process depending only on whether they wait for your end date. One more reason the early-termination clause matters.

You cannot be treated worse than the permanent person next to you

This is the protection the 2002 Regulations exist to deliver, and it is underused because most people do not know it is there. You have the right not to be treated less favourably than a comparable permanent employee on the ground that you are fixed-term. It covers your contract terms and any other detriment: basic pay and bonus schemes, pension access and contribution rates, sick pay, leave above the statutory minimum, training and progression. It also covers access to internal vacancies: regulation 3 gives you a specific right to be informed of available vacancies in the establishment, and says equal treatment includes the opportunity to secure a permanent position there, so circulating roles to permanent staff only is exactly what the Regulations prohibit.

A comparable permanent employee is someone employed by the same employer on a permanent contract, doing the same or broadly similar work, normally at the same workplace, with skills and qualifications taken into account. If there is no comparator at your site, you can look to another establishment of the same employer.

The pro rata principle applies where it makes sense: on a six-month contract you accrue six months of holiday, not a full year's. That is proportion, not less favourable treatment. Exclusion from the bonus scheme entirely, or a lower employer pension contribution because of the contract type, is the real thing.

Your employer has two defences, and knowing both tells you which argument you are having. The first is objective justification: a genuine reason, proportionate to a legitimate aim, that is not simply "you are fixed-term". Cost alone is weak. The second is the package approach, under which less favourable treatment on one term is defensible if your terms taken as a whole are at least as favourable as the comparator's. Losing the bonus can be justified if your base salary is higher, but not if you are simply on less of everything.

If a term looks out of line, make a written request for a statement of the reasons. Your employer has 21 days to respond. Asking is protected: being dismissed or subjected to a detriment for asserting your rights under these Regulations is automatically unfair, with no qualifying service required. Better still, ask before you sign, while you still have leverage: "which of these terms differ from the permanent version of this role, and why?"

Your baseline statutory rights are untouched either way. A fixed term does not reduce the National Minimum Wage, statutory paid holiday accruing from day one, Statutory Sick Pay (payable from the first day of sickness with no lower earnings limit since 6 April 2026), pension auto-enrolment, Equality Act 2010 discrimination protection, a written statement of particulars on or before your first day, or the day-one right to request flexible working. None can be signed away.

Notice and early termination: the clause that decides everything

Start with the end date. A fixed-term contract ends because the limiting event happened, not because anyone gave notice, and the statutory notice rules in section 86 of the Employment Rights Act 1996 are written around an employer terminating by notice. Whether they apply to a contract that simply expires is genuinely contested, and gov.uk's guidance comes down against you: a fixed-term contract "will normally end automatically when they reach the agreed end date", and "the employer does not have to give any notice". It sets out the statutory minimum notice periods under ending a contract early, not under letting one expire.

So do not plan on getting notice. The fix is cheap and in your hands: ask for a clause requiring written notice of whether the contract will be renewed, by a stated date. A contractual right is one you can point at. An argument about how section 86 applies to expiry is one you will be having in month twelve, at the worst possible moment.

If you carry on working past the end date without anything being signed, the contract does not simply evaporate. Gov.uk treats continuing to work as an implied agreement that the end date has changed, and your employer still has to give proper notice to dismiss you.

One situation is unambiguous. If your contract is for a term of one month or less but you have been continuously employed for three months or more, section 86(4) makes it take effect as if it were indefinite, so the statutory notice periods apply. A string of very short contracts does not keep you outside the notice rules.

That leaves ending it early, where there are two possibilities.

If there is an early-termination clause

Most include one, called a break clause, a termination clause or "termination on notice". Read it for three things:

1. Who can use it. Employer only, or both sides? A clause letting your employer end a twelve-month contract on four weeks' notice while you are locked in for the full term turns your fixed contract into a rolling one only they can exit.
2. How much notice. The statutory minimum under section 86 is a floor: at least one week after one month's service, rising to one week per complete year from two years, capped at 12 weeks. A contract can give more, never less. Treat "terminable at any time without notice" as a drafting warning, because for an employee it cannot override that floor.
3. Whether it can be paid out. A payment in lieu of notice clause lets your employer end things immediately and pay for the notice instead, which affects your leaving date, your tax position and when your post-termination restrictions start running.

If there is no early-termination clause

Then neither side can end the contract early, and that cuts both ways.

A right to terminate on reasonable notice is not implied into a fixed-term contract the way it can be into an open-ended one. Your employer cannot lawfully end it before the end date except for gross misconduct or another serious breach. If they do it anyway, that is a breach, and your claim is what you would have earned over the remainder of the term, reduced by what you earn or reasonably could earn elsewhere in that period, because the duty to mitigate applies. On a twelve-month contract ended in month two, the starting point is ten months of pay, not four weeks' notice.

The mirror image is that you cannot resign early without being in breach either. If flexibility to leave matters, a mutual break clause is worth asking for even though it slightly weakens the guaranteed term.

What to check before you sign

Go through the document with these ten items, noting anything you do not understand or do not agree with, so the conversation happens before signature rather than after.

1. The end trigger, stated precisely. A task or event trigger should be specific enough that you can tell when it has happened. "Until the project concludes" is not. "On acceptance of the Phase 2 deliverables, and no later than 31 March 2027" is.

2. The early-termination clause, and whose it is. Present or absent, mutual or one-sided. The clause that most changes what the contract is worth to you.

3. Notice, in both directions. What each side must give, whether it can be paid in lieu, and whether the two figures match. Check the employer's against the statutory floor.

4. Whether renewal is addressed at all. Most contracts are silent. One sentence committing your employer to tell you by a set date decides whether you job hunt from month nine or month twelve.

5. Your previous service with this employer. Watch for wording that your employment "commences" on a fresh date, or that previous engagements do not count toward continuity. Continuity is a matter of fact and statute rather than assertion, but the assertion tells you what they will argue later.

6. Pay and benefits against the permanent equivalent. Salary, bonus eligibility, pension contribution rate, private medical, life cover, contractual sick pay. Anything excluded should come with a reason.

7. Holiday at the end. Payment for accrued untaken statutory holiday on expiry is normal; a clause forfeiting it is worth challenging.

8. Restrictive covenants against the length of the term. Restrictive covenants bind only so far as they protect a legitimate business interest and go no further than necessary, so a twelve-month non-compete after a six-month contract is very hard to defend.

9. Redundancy wording. Any clause waiving your redundancy rights, or calling expiry something other than a dismissal, has no legal effect, but tells you how the document was drafted.

10. Probation inside a fixed term. A six-month probation inside a twelve-month contract puts you on lighter notice for half the contract, on top of an end date. A lot of exit routes for one side.

Four are worth actively asking for rather than only checking, and since the employer has already decided they want you they cost less to raise than people assume: a mutual break clause where the draft gives the right only to them, a notification date for renewal in writing, a clause paying out the balance of the term if they use an early-termination right without cause, and benefits parity, which is a statutory right rather than a favour.

Before you sign

A fixed-term contract is not a lesser contract. It is an ordinary employment contract with an ending already written into it, and almost everything that matters comes down to how that ending is drafted. So read for the ending. Check the end trigger is specific. Find the early-termination clause and check whose it is. Check the notice both ways, and whether renewal is mentioned at all. Compare the benefits against the permanent version of the role, and if you have worked there before, work out how close you are to four years.

AI can help with that read, because the questions that matter here are structural and answerable from the document itself. Be careful which tool, for two reasons: most employment contracts restrict what you can share with third parties, so uploading to a general chatbot is arguably a disclosure, and a generic model applies generic legal knowledge to a UK document. We cover anonymising a contract first, whether ChatGPT is safe for contract review and why generic AI gets contract review wrong elsewhere.

Ookulli is built for this. Your contract is reviewed clause by clause against UK law, every flag shows the clause it refers to and the law behind it, and your document is never used for AI training. Your first review is free, then £10 per document, with a 30-day money-back guarantee (pricing). It gives you legal information rather than legal advice, so for a dispute or a complex negotiation, speak to a solicitor.

The person who drafted this contract knew exactly which clauses mattered. You should too.

Review your fixed-term contract with Ookulli

Frequently asked questions

What is a fixed-term contract?

A fixed-term contract is an employment contract that ends automatically at a defined point: a set date, the completion of a task, or an event such as an employee returning from maternity leave. You are an employee throughout, with the same statutory rights as a permanent colleague, subject to the pro rata principle. The Employment Rights Act 1996 calls it a "limited-term contract".

Does a fixed-term contract become permanent after four years?

Usually yes. Where your contract has been renewed at least once, or you were on a fixed-term contract with the same employer beforehand, four years or more of continuous employment makes you permanent automatically under regulation 8 of the Fixed-term Employees Regulations 2002. The exceptions are objective justification, or a collective or workforce agreement replacing the four-year rule with different limits. You can request written confirmation, and your employer has 21 days to reply.

Can a fixed-term contract be terminated early?

Only if it contains an early-termination or break clause, or you are dismissed for gross misconduct or another serious breach. A right to end it on reasonable notice is not implied into a fixed-term contract. Without a break clause, ending it early is a breach, and your claim is what you would have earned over the remainder of the term, less what you earn or reasonably could earn elsewhere.

Do you get redundancy pay on a fixed-term contract?

You do if your contract is not renewed because the work has stopped or diminished and you have at least two years' continuous service, because non-renewal for that reason counts as a redundancy dismissal. Continuous service counts across successive contracts with the same employer, so what matters is total service, not the length of the current contract. Any clause waiving statutory redundancy pay is unenforceable.

What notice do you get on a fixed-term contract?

If the contract is ended early under a break clause, section 86 of the Employment Rights Act 1996 sets a floor the contract cannot undercut: at least one week after a month's service, rising to a week per complete year from two years, capped at 12 weeks. Where a contract simply runs to its end date, gov.uk says no notice is required, because the contract ends by itself rather than by anyone giving notice. The reliable answer is a clause requiring written notice of renewal by a stated date.

Can a fixed-term employee be paid less than a permanent employee doing the same job?

Not on the ground of being fixed-term, unless the employer can objectively justify it. You have a statutory right not to be treated less favourably than a comparable permanent employee on pay, benefits, pension, training or access to internal vacancies. Two qualifications: benefits can be reduced proportionately where proportion makes sense, and a difference on one term is defensible if your package as a whole is at least as favourable.

Is a fixed-term contract the same as a temporary or zero-hours contract?

No. "Temporary" is a loose word covering several arrangements. A fixed-term contract makes you an employee with guaranteed work until a defined end point, while a zero-hours contract guarantees no hours but usually has no end date. Agency work generally makes you the agency's worker rather than the hirer's employee, under different rules. Check which one the document is before assuming which rights apply.

This article provides general information about UK employment law. It is not legal advice. If you are in a dispute, or the stakes are high, speak to a qualified solicitor.