Guide to implementing a 4-day week

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Employment law compliance

Comprehensive guide for UK organisations transitioning to a 4-day week, providing step-by-step strategies, legal insights, and employee engagement tips.

10 minute read • 1 February 2025
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implementing a 4-day week

The idea of moving to a 4-day work week has gained popularity in recent years, with proponents arguing that it can lead to increased productivity, better work-life balance, and improved employee morale. However, before implementing such a change, there are a number of legal considerations that employers in the UK must take into account. In this article, we will outline the key legal considerations and the correct process for moving a workforce to a 4-day week.

Check employment contracts

Before moving to a 4-day week, employers must check their employees' contracts to determine whether they have the right to make changes to their working hours. If the contract specifies the number of working hours, the employer will need to seek the employee's agreement to make any changes. Employers should be aware

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What is this for?

The purpose of a Guide to implementing a 4-day week is to provide information and guidance to organisations interested in transitioning to a shorter workweek. The guide aims to:

  1. Educate employers about the benefits and potential challenges of a 4-day week, such as increased employee satisfaction, improved work-life balance, and potential productivity gains.

  2. Provide a step-by-step framework for planning and implementing a successful transition to a 4-day week, including assessing feasibility, identifying potential obstacles, and developing an implementation strategy.

  3. Offer insights into legal and regulatory considerations related to working hours, employment contracts, and employee rights, ensuring compliance with relevant laws and regulations.

  4. Address common concerns and provide practical solutions for managing workload, maintaining productivity, and ensuring effective communication and coordination among team members.

  5. Highlight the importance of employee engagement and involvement throughout the transition process, including soliciting feedback, addressing concerns, and fostering a positive and inclusive work culture.

  6. Emphasise the need for monitoring and evaluating the impact of the 4-day week on various aspects, such as employee well-being, productivity, customer satisfaction, and overall business performance.

  7. Provide recommendations for ongoing management of the 4-day week, including adjusting policies and procedures, addressing any unforeseen challenges, and continuously refining the implementation to maximise its benefits.

Ultimately, the guide aims to support organisations in implementing a 4-day week in a thoughtful and effective manner, enabling them to reap the potential advantages of this alternative work arrangement while minimising potential risks and challenges.

guide to implementing a 4-day week
  • Employment Rights Act 1996: The guide considers compliance with this act, which covers working time regulations, employment contracts, and rights related to working hours.

  • Working Time Regulations 1998: The guide provides insights into this legislation, which governs maximum working hours, rest breaks, and annual leave entitlements.

  • Equality Act 2010: The guide highlights the importance of ensuring equal treatment and non-discrimination in implementing a 4-day week, considering protected characteristics such as age, gender, race, and disability.

  • Health and Safety at Work Act 1974: The guide addresses the relevance of this act, which outlines employers' responsibilities to provide a safe and healthy working environment, even in the context of reduced working hours.

  • Flexible Working Regulations 2014: The guide provides guidance on these regulations, which grant employees the right to request flexible working arrangements, including compressed workweeks.

  • Trade Union and Labour Relations (Consolidation) Act 1992: The guide considers the importance of consulting with employee representatives and trade unions throughout the implementation process, as required by this act.

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