Alex is Sprintlaw's co-founder and principal lawyer. Alex previously worked at a top-tier firm as a lawyer specialising in technology and media contracts, and founded a digital agency which he sold in 2015.
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Hiring staff on a short-term basis? Or looking for flexibility for your business or a specific project? Fixed-term contracts can be a great solution, but only if you get the details right.
Fixed-term employment contracts are common across UK businesses, but there’s still a lot of confusion about what exactly counts as a “fixed-term” arrangement, how you can safely renew or end one, and what to watch out for to stay legally compliant.
Whether you're an employer planning your workforce or an HR manager setting up contracts, understanding the ins and outs of fixed-term contracts is crucial – not just for compliance, but to avoid disputes and to protect your business. In this guide, we’ll walk you through what a fixed-term contract is, the types you might use, what to include when drafting, how to renew or end a fixed-term contract, and common legal pitfalls to avoid.
Let’s dive in and make fixed-term contracts work for you.
What Is a Fixed-Term Contract?
A fixed-term contract is an employment agreement that lasts for a set period of time or until a specific project or task is completed. This means both employer and employee know from the outset when the contract – and therefore employment – will end. Here’s what sets a fixed-term contract apart:- Predetermined end date – The contract specifies exactly when it will end (for example, 30 September 2024) or upon completion of a named project.
- Automatic expiry – Unless renewed, the contract ends when that date is reached or the project finishes, with no need to give notice (unless the contract says so).
- Different from permanent contracts – Fixed-term contracts are not indefinite or ongoing (unlike permanent contracts). The time period is always clear and agreed in advance.
- Covering a permanent employee’s maternity or sick leave
- Hiring extra support for a specific event or busy period (e.g. Christmas temps)
- Project-based roles where work will finish after a milestone is delivered
- Trial arrangements (such as fixed-term probation contracts)
What Are the Main Types of Fixed-Term Contracts?
Not all fixed contracts work the same way. Choosing the right structure matters, both for legal protection and business flexibility. Here are the most common options we help UK businesses draft:1. Pure (“Hard”) Fixed-Term Contract
This is the classic approach. The contract ends automatically on a specific date – no flexibility, no notice required.- Pros: Maximum certainty for both parties. Good for projects with a clear endpoint.
- Cons: If the work finishes early (or overruns), you may be stuck, as the employee is contracted until the end date unless you agree to vary it.
- Example: “Your employment will start on 1 September 2024 and end on 31 August 2025.”
2. Fixed-Term With Option to Give Notice
This structure sets an end date but allows either party to terminate earlier (for example, by giving one month’s written notice).- Pros: Greater flexibility if business needs change.
- Cons: Less security for both sides. Early termination could disrupt your workforce planning and leave you short‑staffed.
- Example: “Your contract is for 12 months but can be terminated by either party with one month’s notice.”
3. Initial Fixed Term Followed by Notice Period
You guarantee the employee will stay for a certain period, after which the contract becomes “rolling,” requiring notice to end (similar to a permanent arrangement after the fixed period).- Pros: Ensures continuity for a set minimum length with flexibility afterwards.
- Cons: If you plan to finish the employment at the end of the fixed period, you’ll still need to give notice, and the arrangement is less “automatic”.
- Example: “Your contract is for an initial 9 months; after that, employment continues until terminated by either party with 3 weeks' notice.”
4. Project or Task-Based Fixed-Term Contracts
Instead of a date, the contract states employment will end on completion of a specific task or project.- Pros: Useful when you can’t predict exactly how long work will take but the outcome is clear.
- Cons: Make sure to clearly define the task in the contract; vague language can create disputes.
- Example: “Your employment will end upon completion of the annual audit project.”
What Terms Should You Include in a Fixed-Term Contract?
No matter the structure you choose, it’s essential your fixed-term contract covers all the necessary legal and practical points. Here’s a checklist for drafting a robust agreement:- Duration: State the start and end date clearly. If the end is tied to an event or completion of a task, define this precisely.
- Job title and duties: Describe the role and expectations so everyone’s on the same page.
- Pay and benefits: Spell out salary, pay period, pension entitlements, holiday, sick pay, and any employee benefits.
- Notice periods: If early termination is allowed, clarify how much notice must be given and by whom.
- Renewal terms: Specify whether the contract can be renewed or extended, and if so, how this happens in practice.
- Rights and policies: Reference your standard policies (such as disciplinary and grievance procedures, equal opportunities), and confirm any statutory rights.
- Termination: Explain what happens at the end of the contract (e.g., does employment end automatically or convert to another arrangement?).
- Confidentiality and IP: If the employee will have access to sensitive information or will develop intellectual property, include clauses to protect your business.
What Are the Legal Requirements for Fixed-Term Contracts?
Getting your contract terms right isn’t just about clarity – it’s about staying on the right side of the law. Here are the most important rules to keep in mind as you prepare, renew, or end a fixed-term arrangement.1. Written Statement of Employment
Just like with permanent staff, fixed-term employees are legally entitled to receive a written statement of their main terms and conditions – on or before their first day of work. If you don’t provide this, you’re in breach of the law (specifically the Employment Rights Act 1996).2. Non-Discrimination (“Less Favourable Treatment”)
Fixed-term employees have almost all the same statutory rights as permanent employees. Under the Fixed-Term Employees (Prevention of Less Favourable Treatment) Regulations 2002, you can’t treat someone on a fixed contract less favourably than a comparable permanent employee (unless you have a good business reason). That means giving the same access to benefits, training, pension (subject to eligibility), and the right to protection from unfair dismissal after two years of service.3. Renewal and Extension Rules
If a fixed-term contract is renewed or extended enough times, the law often treats the role as “permanent”, granting increased protection.- After four years of successive fixed-term contracts, the employee is usually deemed permanent unless you have a strong “objective justification” (for example, project funding was uncertain).
- Each renewal should be confirmed in writing.
4. Early Termination: What You Need to Know
If your fixed-term contract doesn’t allow for early termination, ending it before the expiry date can be risky and could lead to a breach of contract claim for the remainder of the fixed term. If you want the option of ending early (as business needs do sometimes change!), make sure your contract spells this out in the notice provisions. For more info on how to properly terminate a contract, see our guide on Terminating a Contract.How Do You Renew or End a Fixed-Term Contract?
Understanding how to manage the expiry, renewal, or early end of a fixed contract is critical for avoiding claims or staffing headaches. Here’s what you need to know.1. Natural Expiry (At End Date)
For most fixed-term contracts, the job automatically ends on the date stated in the contract or when the relevant task is completed. There’s no legal need to give formal notice, although best practice is to let employees know in writing as a courtesy. If you want the employee to stay on, you’ll need to issue a new contract or properly extend/renew the existing one before it ends. Don’t just let them keep working without an agreement – the law may treat them as permanent.2. Renewal or Extension
You can renew a fixed-term contract, but it’s vital to:- Confirm the renewal in writing
- State the new dates and any changed terms
- Be aware that after four years of continuous fixed-term employment, the default position is usually permanent employment
3. Ending Before the End Date
If your contract includes a notice clause, either party can end employment early by giving the specified notice. If it doesn’t, then early termination could make you liable for the full period of the contract. For risk reduction:- Include notice provisions in all contracts where early ending is a possibility
- Always document the process and clearly communicate with the employee
- Comply with your own disciplinary, redundancy and grievance procedures
4. What About Unfair Dismissal?
Employees who’ve worked for you for at least two years are protected from unfair dismissal, even if they’re on a fixed-term contract. So, if you’re not renewing a contract, make sure your process is fair and nondiscriminatory (for example, consider whether redundancy applies and follow a fair process).What Are the Risks With Fixed-Term Contracts?
While fixed-term contracts can provide flexibility, there are a few big risks for employers if you get the process wrong:- Unfair dismissal claims – Ending a contract early or failing to renew without justification after 2 years of service could trigger a claim.
- Unintended permanent employment – Renewing a contract too many times can automatically make someone a permanent employee with full employment rights.
- Discrimination claims – Treating fixed-term staff less favourably than permanent staff (such as by excluding them from bonuses or benefits).
- Wrongful termination liability – Failing to follow your own notice provisions or procedures could make you liable for pay until the contract would have ended.
- Non-compliance fines – Not issuing written statements or failing to comply with employment law can result in fines or tribunal claims.
How Can I Best Manage Fixed-Term Contracts?
A few best practices can save a lot of hassle:- Plan recruitment and contract expiry dates well ahead of time.
- Keep track of all contract end dates and renewal options – set reminders if you have multiple staff on fixed-term arrangements.
- Review all contracts at least annually to ensure compliance with employment laws and your business needs.
- Provide clear communication to fixed-term employees about their employment status, renewal chances, and what rights they have.
- Consult with a legal professional before terminating any contract before its end date or handling renewals.
Key Takeaways
- A fixed-term contract sets out employment for a specific, predetermined period or task – and ends automatically unless renewed.
- You can design fixed-term contracts with or without notice provisions. Always clearly state start and end dates – and what happens afterwards.
- Renewing or extending a fixed-term contract multiple times can grant the employee permanent rights.
- Ending a fixed-term contract early can be risky and may trigger unfair dismissal, so always have clear notice provisions and fair processes in place.
- Fixed-term employees enjoy most of the same rights as permanent employees, including protection from less favourable treatment and unfair dismissal after two years.
- Professional drafting and yearly reviews of contracts are essential for compliance and business protection.
