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UK employment law: the Employment Rights Act 2025 employer guide

UK employment law: the Employment Rights Act 2025 employer guide

The Employment Rights Act 2025 is rolling out in stages through 2027, alongside separate UK changes to minimum wage, right-to-work checks, holiday pay and IR35. This hub covers the 8 changes that matter most for employers, with a full timeline of what's changing and when. Two changes started on 1 October 2026: tribunal claim time limits doubled, and right-to-work checks widened. Next, stronger harassment duties start on 30 October 2026.

The 8 changes that matter most

Each topic explains the change, when it lands, and who handles it if you hire through Teamed.

Latest news

Fire and rehire limits pushed back to March 2027

What happened

On 22 October 2026 the government updated its plan for when each change starts. The limits on fire and rehire moved from January to March 2027. New flexible working rules are now planned for October 2027.

What it means for you

The six month rule for unfair dismissal claims still starts on 1 January 2027. Plan for both changes now. Plan dates can still move, so check back.

Dates to know

  • 30 October 2026Stronger rules on sexual harassment start.
  • 1 January 2027Staff can claim unfair dismissal after six months of work, not two years.
  • March 2027Planned start of the fire and rehire limits.
  • October 2027Planned start of new flexible working rules and more job protection for new mothers.

Source: GOV.UK, Department for Business and Trade. We check this page every week. Last checked .

Answer.cite this

UK employment law is going through its biggest overhaul in a generation. The Employment Rights Act 2025 received Royal Assent on 18 December 2025 and is commencing in stages: trade union reforms and day-one family leave notice rights in early 2026, day-one paternity and parental leave plus Statutory Sick Pay reform in April 2026, electronic and workplace balloting in August 2026, a doubling of the employment tribunal claim time limit to six months on 1 October 2026, the strengthened harassment duties from 30 October 2026, and the largest single wave, cutting the unfair dismissal qualifying period to six months, on 1 January 2027, with fire-and-rehire restrictions now planned for March 2027. Two further measures gained stated timings in September 2026: bereavement leave, including pregnancy loss before 24 weeks, is intended for April 2027, and flexible working reform for autumn 2027, which the government's timeline now puts in October 2027. Alongside the Act, the National Minimum and Living Wage rose again in April 2026, right-to-work checks have moved to a digital eVisa system and widened on 1 October 2026 to cover workers, individual sub-contractors and online matching services, holiday pay rules for irregular-hours workers now carry a strict record-keeping duty, and IR35 continues to shape the choice between engaging UK contractors directly and using an Employer of Record. Commencement dates have slipped more than once, most recently when fire-and-rehire moved from January to March 2027 on 22 October 2026, so this cluster is reviewed regularly and dates are checked against primary sources.

The big picture

The Employment Rights Act 2025 received Royal Assent on 18 December 2025 and is commencing in stages through 2027. As of 28 October 2026, measures already in force include trade union reforms, day-one family leave, Statutory Sick Pay reform, electronic trade union balloting and, since 1 October 2026, a six-month time limit for employment tribunal claims. The strengthened harassment duties start on 30 October 2026, a date fixed in law by SI 2026/1065. The biggest wave is 1 January 2027 (unfair dismissal reform); fire-and-rehire restrictions moved to March 2027 in the government's timeline update of 22 October 2026. Of the measures still without a fixed date, the timeline puts bereavement leave in April 2027 and flexible working reform in October 2027, while guaranteed hours has no stated timing.

Why is UK employment law changing so much right now?

The Employment Rights Act 2025 is the government's flagship labour-market reform, covering unfair dismissal, fire-and-rehire, sick pay, family leave, zero-hours contracts and more in a single Act. Rather than commence all at once, it is being rolled out in stages through 2027, so different rules take effect on different dates.

What should employers focus on first?

The changes already in force, day-one family leave, Statutory Sick Pay reform, and the current minimum wage rates, need to be reflected in contracts and payroll now. Since 1 October 2026 the tribunal claim time limit has been six months, and right-to-work checks have covered more than employees. Next, the stronger harassment duties start on 30 October 2026. The January 2027 unfair dismissal change is the biggest still to come, with fire-and-rehire restrictions following in March 2027; both are worth preparing for well in advance. Further out, bereavement leave is planned for April 2027 and flexible working reform for October 2027.

Hiring in the UK?

What Teamed handles in the UK

As legal employer of your UK team, Teamed applies each reform to contracts and payroll the day it commences.
  • Contracts updated as reforms land
  • PAYE, National Insurance and pensions
  • Right-to-work checks and sponsorship risk

Frequently asked questions

Is the Employment Rights Act 2025 in force yet?

Partly. It received Royal Assent in December 2025, and several measures are already in force. The tribunal claim time limit doubled to six months on 1 October 2026, the stronger harassment duties start on 30 October 2026, and the largest change, unfair dismissal reform, is set for 1 January 2027. Fire-and-rehire restrictions are now planned for March 2027, bereavement leave for April 2027 and flexible working reform for October 2027.

Where can I see exactly what's changing and when?

The timeline page on this hub lists every confirmed and expected milestone in date order, with a source for each and a note on who handles it if you hire through Teamed.

Do these pages give legal advice?

No. They summarise the current position with primary sources, reviewed as the law changes. For a specific situation, Teamed's HR and legal experts can advise, or speak to ACAS or a qualified professional.

A note from Teamed

The Employment Rights Act 2025 is the biggest overhaul of UK employment law in a generation, and it lands in stages. When Teamed is your legal employer, we hold that complexity: compliant contracts, policies and payroll in the UK, updated as each measure actually commences.

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