Working extra hours, also known as overtime, is common practice for many employees and employers in the UK. However, there are important rules and regulations surrounding overtime work that both employees and employers need to be aware of.This article will provide a comprehensive overview of the latest updates to UK overtime laws and policies as of January 2024. It will cover key topics such as:

  • Overtime pay rates and entitlements
  • Legal limits on weekly working hours
  • Rules around compulsory and voluntary overtime
  • Specific regulations for under 18s and part-time workers
  • Holiday pay implications of overtime hours
  • Employer responsibilities around discrimination
  • Recent legislative changes coming into effect

Arm yourself with the facts around these crucial overtime issues to ensure full legal compliance and fair, ethical policies at your organization going forward.

Overtime Pay Entitlements

The first key question many employees have around working additional hours is whether they are entitled to higher rates of pay.

  • There is no legal requirement for employers to offer overtime pay rates in the UK
  • However, the average pay received across all working hours must not dip below the National Minimum Wage (NMW)

So while overtime does not have to be paid at a premium, normal hourly wages still apply and the NMW sets a legal floor.If an employer does offer overtime rates, common practice is to pay time and a half (1.5x the normal rate). But ultimately overtime pay policies will depend on the specific company and industry.

These policies should be clearly laid out in employment contracts so there is transparency around compensation for any extra hours worked.

Weekly Working Hour Limits

While overtime policies themselves may vary between employers, there are legal limits set on total weekly working hours:

  • 48 hours per week is the maximum that can be required by an employer, when calculated as an average over a 17 week period.Nursing Abroad images 2023 12 30T011701.192

Employees can voluntarily opt out and agree to work longer than this, but strict rules apply:

  • Opt-out agreements must be provided in writing and signed off by the employee.
  • Certain categories of vulnerable workers cannot opt out at all.
  • Additional safeguards apply for workers under 18 years old (see below).

Monitoring systems must be in place for employers to track hours and ensure the 48 hour weekly average is not breached accidentally.

Compulsory vs Voluntary Overtime

UK overtime rules make an important distinction between compulsory and voluntary extra hours:

Compulsory overtime is written into employment contracts as a formal condition of the job.

Employees must then work these hours unless they negotiate an updated contract.

Voluntary overtime offers additional hours that workers can choose to opt into at their own discretion.

There is no obligation to take on these extra hours if offered. So while employers cannot force overtime hours onto non-consenting workers (except where contracted), they equally have no responsibility to provide overtime opportunities.

Specific Rules for Under 18s

Younger workers under 18 years old have extra legal protections around working hours.

  • The maximum is 8 hours per day and 40 hours per week.
  • The option to opt-out of weekly limits does not apply.
  • Special rules govern rest breaks – check for details.

So employers should take particular care when managing overtime among younger staff members.Nursing Abroad images 2024 01 01T142904.154

Part-Time and Overtime Entitlements

Part-time employees are entitled to equal treatment around overtime opportunities. Rules state part-time staff cannot be discriminated against or excluded from voluntary overtime offered to full-time employees. This ensures fair and consistent policies across any workforce.When part-timers do work additional hours, common overtime pay policies include:

  • Paying their standard hourly rate
  • Or time and a half

But this will always depend on company policies and employment agreements.

Overtime Hours and Holiday Pay

Paid holiday entitlements are also affected by overtime hours worked.The general principle is that regular overtime payments must be reflected in holiday pay calculations. This includes instances where workers receive regular overtime, commissions or bonuses.Specific regulations require employers to factor overtime into at least 4 weeks of the 5.6 statutory leave weeks

So the additional money earned from extra hours worked will contribute to better compensation during annual leave periods.

Discrimination Rules Around Overtime

As well as the rules around part-time workers above, employers have a general duty not to discriminate unfairly in overtime policies and practices.Examples of unlawful discrimination could include:

  • Preventing employees of a certain gender or background from accessing overtime.
  • Introducing arbitrary performance criteria that obstruct overtime for particular groups.

Instead, criteria and opportunities should be consistent across the entire workforce. Exceptions can only be made if clearly justifiable according to agreed policies and employment contracts.

Recent and Upcoming UK Legislative Changes

As well as consolidating existing UK overtime rules and standards, some notable legislative developments are on the horizon for 2024:

January 2024

  • Stronger Equality Act provisions to prevent sexual harassment in the workplace.
  • . This extends employer responsibilities around discrimination into overtime policies.Nursing Abroad GettyImages 1436389160 scaled 1

September 2024

  • New rights for employees to request more predictable and stable working hours.
  • . This could see extra pressure on voluntary overtime arrangements in some sectors.

October 2024

  • Increased enforcement powers and penalties for illegal working violations
  • . This raises the stakes for employers getting overtime policies and monitoring wrong.

So both employers and employees should keep a close eye on legal obligations and opportunities as we move through 2024.


Working overtime has pros and cons for both individuals and organizations when managed appropriately. But getting the basics wrong around legal compliance and fair working standards is unacceptable.Hopefully this guide has clearly set out the crucial issues to consider around overtime pay, hourly limits, discrimination policies and recent legislative changes.

Employers must review their company overtime rules and contracts now to ensure they are up to date. Employees should also understand their rights and obligations before taking on additional hours.There are exciting opportunities ahead in 2024 for flexible working arrangements that benefit all parties. But this must be built on foundations of ethical and lawful overtime policies rooted in the latest UK employment legislation.

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