Brad is on the roll of solicitors of England & Wales but does not hold a practising certificate and does not provide legal advice.
Updated June 2026 · England & Wales
If your business runs overnight, whether that's a care home, a 24-hour logistics operation, a hotel front desk or a bakery producing for the morning rush, the people keeping things moving at 3am deserve a contract that reflects their reality. Night work isn't just day work in the dark.
It comes with its own legal framework, its own health considerations, and its own expectations around breaks, hours and pay. A Night Shift Employment Contract sets all of that out clearly so both the employer and the worker know where they stand from day one.
On this page I'll walk through what these contracts typically cover, where the legal duties come from, and the practical points employers often overlook when drafting them. I'm Brad Askew, Legal Tech Founder at LegalDocuments.co.uk, and my background is in civil and commercial law.
What this document is
A Night Shift Employment Contract is the written agreement between an employer and an employee whose working pattern falls mainly between 11pm and 6am, or whatever 'night period' the employer and worker have agreed in writing. It does the same job as a standard employment contract, but it factors in the particular rules that apply when someone is regularly working unsocial hours.
You'll typically see clauses dealing with the shift pattern, rotation and handovers, the worker's entitlement to free health assessments, rest breaks between shifts, caps on average weekly working time, and any shift premium or allowance the employer chooses to pay. It will also cover the usual employment essentials: pay, holiday, sickness, notice, confidentiality, and what happens if the role changes.
These contracts are most common in sectors that simply can't shut down at 6pm: hospitals and care providers, security companies, transport and warehousing, hospitality, broadcasting, manufacturing and emergency services. The written document matters because night work creates higher risk of disputes around hours, fatigue and pay, and a clear contract cuts that risk down considerably.
How to use this document
Work out who actually qualifies as a night worker. Not every late finish counts. A night worker is someone who regularly works at least three hours of their daily time during the agreed night period, or who works a set proportion of their annual hours at night. Check your rota patterns before you classify someone, because getting this wrong changes what you owe them. 2. Set the night period and shift pattern in writing. The default night period runs from 11pm to 6am, but you and the worker can agree a different seven-hour window that includes midnight to 5am. Put the agreed period, the shift start and finish times, rest breaks, and any rotation pattern into the contract so there's no ambiguity later. 3. Address the health assessment obligation. Employers must offer night workers a free health assessment before they start night work and on a regular basis afterwards. The contract should confirm this offer, explain that it's confidential, and set out what happens if a worker is found unsuitable for night work on medical grounds, for example a transfer to day work where reasonably practicable. 4. Deal with working time limits and pay. Night workers generally shouldn't work more than an average of eight hours in 24 over the reference period, and special rules apply where the work is hazardous or involves heavy mental or physical strain. There's no statutory night shift premium in the UK, so if you pay extra for unsocial hours, say so clearly in the contract. 5. Cover holiday, sickness, notice and the usual essentials. A night worker gets the same statutory rights as any other employee: paid holiday, statutory sick pay where eligible, minimum notice, and protection from unfair dismissal after qualifying service. Make sure the contract reflects all of this and is given to the worker on or before their first day, as the law requires.
Night work is work carried out during the 'night period', which by default is 11pm to 6am. An employer and worker can agree a different seven-hour period in writing, provided it includes the hours from midnight to 5am. Someone is classed as a night worker if they regularly work at least three hours during that period, or work a significant proportion of their annual hours at night.
Q Do night workers have to be paid more?
There is no legal requirement in the UK to pay a night shift premium. Night workers must receive at least the National Minimum Wage or National Living Wage for every hour worked, but any enhanced rate for unsocial hours is a matter of contract. Many employers do offer a premium to attract staff, and if that's agreed it should be written clearly into the contract.
Q Can under-18s work night shifts?
Generally no. Young workers aged 16 and 17 are usually restricted from working between 10pm and 6am, or between 11pm and 7am where the contract allows. There are limited exceptions in sectors such as hospitality, agriculture, retail and hospitals, but strict conditions apply, including supervision and adequate compensatory rest. Check the specific rules before rostering young workers at night.
Q What are the maximum hours for night workers?
Night workers should not work more than an average of eight hours in any 24-hour period, calculated over a 17-week reference period in most cases. Where the work involves special hazards or heavy strain, the eight-hour limit applies to each shift rather than an average. Workers cannot opt out of the night work limit, unlike the 48-hour weekly working time cap.
Q Are employers required to offer health assessments?
Yes. Employers must offer a free, confidential health assessment to any worker before they start regular night work, and at appropriate intervals afterwards. The purpose is to check that night work isn't causing harm. If a medical professional advises that someone is suffering health problems linked to night work, the employer should transfer them to suitable day work where this is possible.
Q When must the written contract be given to a new night worker?
Since April 2020, employers must provide a written statement of the main employment particulars on or before the worker's first day. This applies to employees and workers, including night workers. The document should cover pay, hours, holiday, the place of work, shift patterns and other core terms. Delivering it late is a breach of statutory duty and can lead to compensation claims.
Q Can a night worker request to move to day work?
A night worker who develops health problems connected to their shift pattern has the right to be moved to suitable day work where this is practicable, based on a medical assessment. Outside that situation, there's no automatic right to switch to days, but workers with at least 26 weeks' service can make a statutory flexible working request, which the employer must consider reasonably.
Unsure how the night work rules apply to your rota?
Night shift contracts bring in extra duties around hours, health assessments and pay that often trip up employers the first time round. An experienced legal adviser can talk you through what the rules mean in practice, based on what you describe about your workforce and shift patterns.
✓Plain-English answers to your specific questions about night work rules
✓Practical perspective on how the hours and health assessment duties apply to your situation
✓Help thinking through what to include in the contract based on what you describe
✓Clarity on what to watch out for when rostering night workers in your business
Personal call · For information only · Independent advisers
Written & reviewed by
Brad Askew Solicitor (non-practising)
Brad is on the roll of solicitors of England & Wales but does not hold a practising certificate and does not provide legal advice. LegalDocuments.co.uk is not a law firm and does not provide regulated legal advice.
This article is for general information only. It is a tool to help you find your way — not legal advice, and not a substitute for speaking to a qualified adviser about your situation.