What Is Included in a Contract of Employment in the UK?

Hiring your first team member is exciting - it’s a big step in growing your business. It also means you need a clear, compliant employment contract that sets expectations, reduces risk and keeps you on the right side of UK employment law.

If you’re wondering what is included in a contract of employment, don’t stress. In this guide, we’ll walk you through the key terms you must provide by law, the clauses we recommend to protect your business, and common mistakes to avoid. By the end, you’ll know exactly what to include before your employee’s first day.

What Is A Contract Of Employment Under UK Law?

A contract of employment is the agreement between you (the employer) and your employee that sets out the terms on which they work for you. It can be written, oral or a mix of both - but in practice, you should always put it in writing.

Under the Employment Rights Act 1996, employees are entitled to a written statement of particulars of employment on or before their first working day. This isn’t the whole contract, but it covers the core terms you must provide in writing. A well-drafted Employment Contract will include all required particulars and additional protections tailored to your business.

UK employment law also sets minimum standards you cannot contract out of - for example, the National Minimum Wage, Working Time Regulations on hours and breaks, and protections under the Equality Act 2010. Your contract should align with these rules, not compete with them.

What Must Be Included: The “Day One” Particulars

By law, the written statement must include specific information. Most employers include these within a full contract. At a minimum, make sure you cover the following.

Parties, Role And Start Date

• Employer and employee names and addresses.
• Job title and a brief description of duties (allowing for reasonable changes as the business evolves).
• Start date and, if applicable, the employee’s continuous service date (important for redundancy and other rights).
• Whether the contract is permanent, fixed-term or temporary.

Place Of Work And Mobility

• Primary place of work (including any hybrid or fully remote arrangements).
• Whether the employee may be required to work at other locations (a sensible “mobility” clause can give you flexibility, within reason).

Hours, Working Pattern And Breaks

• Normal working hours, days of the week and how hours may vary (for example, shift patterns or seasonal demand).
• Whether overtime is required, how it’s approved and paid (or whether it’s included in salary, if lawful and clearly expressed).
• Confirmation that working hours comply with the Working Time Regulations (including rest breaks and maximum weekly hours, and opt-out where appropriate).

Pay And Benefits

• Basic salary or hourly rate, pay frequency and method of payment (e.g. monthly in arrears via bank transfer).
• Overtime, commission and bonus arrangements (be precise about whether bonuses are discretionary, the criteria and any clawback conditions).
• Any regular benefits (e.g. health insurance, car allowance) and when they start; reserve the right to amend non-contractual benefits.
• Lawful wage deductions policy (for example, overpayments, advances, or failure to return company property) - this must be clear to be enforceable.

Holiday And Leave

• Annual leave entitlement (at least 5.6 weeks for full-time staff, pro-rated for part-time), whether bank holidays are included and your holiday year.
• Holiday accrual rules, how to request leave, and the process for carrying over or paying in lieu on termination (in line with Working Time Regulations).
• Basic details of other leave entitlements (e.g. sick pay, family leave) and where to find the full policy (often the staff handbook).

Sick Pay And Absence

• Whether statutory sick pay (SSP) only or any enhanced company sick pay applies, plus notification and evidence requirements (fit notes).
• Right to request a medical report or occupational health assessment where reasonable.

Pensions And Auto-Enrolment

• Details of your pension scheme and auto-enrolment, including the name of the scheme and contribution levels (in line with Pensions Act rules).

Probation, Notice And Termination

• Length of the probation period, standards to be met, support provided and your right to extend probation where reasonable.
• Notice periods for both sides (statutory minimums apply; you can set longer contractual notice).
• Right to make a payment in lieu of notice (PILON) and to place the employee on garden leave.

Disciplinary And Grievance Procedures

• A statement that disciplinary and grievance procedures exist and where they can be accessed (often via the staff handbook), including the right to appeal.
• Reference to standards of conduct and performance you expect (professionalism, confidentiality, use of company systems, etc.).

Training And Professional Requirements

• Any mandatory training, whether training time is paid, and who bears the cost.
• If you intend to recover fees for optional or external training when someone leaves soon after, signpost a fair and proportionate repayment of training costs clause.

Other Required Information

• Any collective agreements that apply.
• Whether work is expected outside the UK and for how long (if applicable).
• Where to find other policies (health and safety, data protection, equal opportunities).

You’ll typically house procedural detail in a non-contractual Staff Handbook. That keeps the contract tight and allows you to update policies without having to re-issue contractual terms.

Recommended Clauses That Protect Your Business

Beyond the legal minimum, smart contracts include extra protections. These clauses can save you serious headaches if issues crop up later.

Confidentiality And IP Ownership

• Confidentiality: Clearly define your confidential information and require employees to keep it secret during and after employment.
• Intellectual Property: State that any IP created in the course of employment belongs to your business, and require employees to assist with assignments or filings if needed.

Restrictive Covenants

Reasonable post-termination restrictions help protect customer relationships and your team from being poached. Consider:

• Non-solicitation of customers and staff.
• Non-dealing with key clients for a limited period.
• Non-poaching of colleagues.
• Tightly drafted non-compete clauses for senior roles, tailored to geography, scope and duration.

These must be no wider than necessary to protect legitimate business interests. Tailoring is essential - blanket restrictions are more likely to be unenforceable.

Data Protection And Monitoring

• Data Protection: Refer to your privacy and data handling policies (UK GDPR/Data Protection Act 2018), employee responsibilities, and consequences for breaches.
• Monitoring: If you monitor email, internet use, or devices, say so transparently and proportionately, in line with privacy law and your policies.

Set-Off, Deductions And Property

• Overpayments and Advances: Include a clear set-off clause allowing you to recover overpayments lawfully alongside your wage deductions wording.
• Property: Require return of all company property and data on termination, and allow withholding of final pay until assets are returned (done lawfully).

Flexibility, Secondary Work And Conflicts

• Flexibility: Build in reasonable flexibility around duties and location to help you adapt to business needs.
• Outside Interests: Require disclosure of secondary employment or directorships and prohibit conflicts of interest.

Contract Types And Employment Status: Get The Basics Right

Before you draft terms, confirm who you’re hiring and the type of arrangement. Employment status drives legal rights, tax and how your contract must be framed.

Employee, Worker Or Self-Employed?

In the UK, someone can be an employee, a worker, or genuinely self‑employed. Each category carries different rights (holiday, minimum wage, unfair dismissal protection, etc.). If you’re unsure, review the usual employment status tests (control, substitution, mutuality of obligation) and get tailored advice - misclassification can be costly.

Fixed-Term, Zero-Hours, Part-Time Or Apprentices?

• Fixed-Term: Use for time-limited projects (ensure fair treatment; consider early termination clauses). See the nuances around 12-month fixed-term contracts.
• Zero-Hours: Useful for fluctuating demand; keep terms clear and comply with any new reforms. Make sure notice, holiday pay and continuity are handled properly.
• Part-Time/Flexible: Terms should mirror full-time staff pro-rata and meet Working Time rules.
• Apprentices: Special rules can apply; get the correct form of apprenticeship agreement and training plan.

Whatever the model, hours, rest breaks and maximum weekly limits need to comply with the Working Time Regulations, including any valid opt-out for the 48-hour average week.

Common Drafting Mistakes (And How To Avoid Them)

Small drafting errors can create big risks. Here are pitfalls we regularly see - and easy ways to fix them.

Vague Bonus And Commission Language

If you pay commission or bonuses, define the calculation clearly, state whether it’s discretionary, and specify how leavers are treated (e.g. forfeiture during notice). Ambiguity drives disputes. Your contract should align with any separate incentive plan, and it’s wise to sanity‑check approach against HMRC and your policies around bonus pay.

Forgetting Probation And Notice Nuances

Employers sometimes omit probation entirely or fail to reserve the right to extend it. Set a realistic probation period (three to six months is common), use shorter notice during probation, and make extension explicit.

Policies Buried In The Contract

Keep detailed procedures (disciplinary, grievance, IT use, expenses) out of the contract and in a non-contractual Staff Handbook. This gives you the flexibility to update policies without having to re-issue contractual terms or get employee consent for every tweak.

Missing IP/Confidentiality For Creative Or Sales Roles

If employees create content, code or designs, or if they build client relationships, missing IP and confidentiality clauses can be fatal. Make sure ownership is unambiguous and post-termination restrictions are tailored and reasonable.

Unlawful Deductions Or Penalties

Don’t include penalty-style deductions or blanket rights to dock pay - these can be unlawful. Base any recovery on actual loss, state it clearly in the contract and comply with the rules on wage deductions.

Silence On Variation And Flexibility

Business needs change. Include a carefully drafted variation clause to manage minor changes (e.g. policies or benefits) and a flexibility clause for reasonable changes to duties or location. Bigger changes still require consultation and a fair process - see more below on changing employment contracts.

Varying And Ending Contracts Fairly

Contracts aren’t static. From time to time, you’ll need to update terms or end the relationship. Handle these steps transparently and in line with the law.

How To Change Terms

• Consult First: Explain your business reasons, consider alternatives and take feedback seriously.
• Get Consent: For material changes (pay, hours, location), obtain written agreement. Avoid imposing changes unilaterally.
• Confirm In Writing: Issue a variation letter or an updated contract. Update your internal records and payroll.
• If Agreement Isn’t Reached: Proceed cautiously - you may need to consider dismissal and re-engagement procedures, following a fair process and notice requirements.

For a deeper dive on process, see our guide on changing employment contracts.

Ending Employment

• Notice And PILON: Give contractual/statutory notice (whichever is longer) or pay in lieu where your contract allows it.
• Process Matters: For conduct or performance cases, follow a fair disciplinary process (investigation, hearing, right to be accompanied, appeal). Consider warnings, support and timeframes.
• Documentation: Keep a clear paper trail, align outcomes with your policies, and ensure final pay includes outstanding holiday pay.
• Restrictive Covenants: Remind departing staff of ongoing obligations (confidentiality, post-termination restrictions) and retrieve devices/data promptly.

If dismissal relates to performance or conduct, ensure your disciplinary procedure, warnings framework and evidence are watertight. A strong contract, supported by your handbook and fair process, reduces the risk of claims.

How To Build A Robust Contract Workflow

A solid employment contract is more than a one-off document. Treat it as part of your ongoing HR and compliance system.

• Offer, Contract, Policies: Send a clear offer, attach the contract and link to policies before day one. Ask for signatures ahead of the start date.
• Induction: Highlight key terms - probation standards, hours, leave booking, use of equipment, confidentiality and data protection.
• Reviews And Updates: Revisit contracts and policies yearly (or after legal changes). Keep your Staff Handbook aligned with your contracts.
• Role-Specific Tailoring: Adapt IP, restrictions and bonus/commission schedules to the role. For senior hires, consider stronger non-compete clauses.
• Record-Keeping: Maintain clean, signed copies and variation letters. Good records make compliance and audits far easier.

Key Takeaways

• Provide a compliant written statement of particulars on or before day one - the easiest way is to issue a full, tailored Employment Contract that covers all mandatory terms and your business protections.
• Include essentials: parties and role, place of work, hours and patterns, pay and benefits, holiday and leave, sickness, pension/auto‑enrolment, probation, notice, and disciplinary/grievance information.
• Add protection clauses: confidentiality, IP ownership, fair and tailored post‑termination restrictions, data protection/monitoring, and clear rules on lawful wage deductions and return of property.
• Confirm status and contract type first (employee, worker or contractor; permanent, fixed‑term, part‑time or zero‑hours), and ensure compliance with the Working Time Regulations.
• Avoid common mistakes like vague bonus wording, missing probation terms, stuffing policies into the contract, and unenforceable restrictions - keep procedures in a flexible Staff Handbook.
• When updating terms, consult, get consent and confirm changes in writing. Use a fair process for conduct/performance issues, and manage exits transparently and lawfully. If in doubt, get advice on changing employment contracts.

If you’d like help drafting or reviewing your employment contracts and policies, our friendly team is here to support you. Reach us on 08081347754 or team@sprintlaw.co.uk for a free, no‑obligations chat.