The UK Employment Rights Bill has been described as one of the biggest changes to British workplace law in decades. There is just one important update before we unpack it: it is no longer technically a bill. It received Royal Assent on December 18, 2025, and became the Employment Rights Act 2025.
That does not mean every reform switched on at midnight while HR departments clutched their policy manuals in terror. The changes are being introduced gradually across 2026 and 2027. Some provisions are already in force, while others still depend on consultations, regulations, codes of practice, and detailed government guidance.
For workers, the legislation promises better sick-pay coverage, stronger job security, more predictable hours, improved family leave, and tougher protection against harassment and unfair dismissal. For employers, it means updating contracts, payroll systems, redundancy procedures, manager training, workforce planning, and record-keeping practices. In other words, this is not a “change one paragraph in the handbook and go for lunch” situation.
What Is the UK Employment Rights Act 2025?
The Employment Rights Act 2025 is a central part of the UK government’s Plan to Make Work Pay. Its broad purpose is to reduce insecure employment, improve enforcement of workplace rights, modernize trade union rules, and shift some of the risks associated with flexible work away from individual workers.
The Act amends several existing laws rather than replacing the entire employment-law system. Its provisions cover subjects including:
- Statutory Sick Pay
- Unfair dismissal
- Zero-hours and low-hours contracts
- Collective redundancies
- Flexible working
- Family and bereavement leave
- Sexual harassment and whistleblowing
- Trade union recognition and industrial action
- Fire-and-rehire practices
- Holiday-pay records
- Employment-law enforcement
Most of the principal reforms discussed in this article concern employment in England, Scotland, and Wales. Northern Ireland has a separate employment-law framework and is pursuing its own reform program. However, certain UK-wide systems, including the revised Statutory Sick Pay rules, also affect employees in Northern Ireland.
Changes That Have Already Taken Effect
Statutory Sick Pay From the First Day of Illness
From April 6, 2026, eligible employees can receive Statutory Sick Pay from the first full day of sickness absence. The previous three-day waiting period has been removed.
The lower earnings threshold has also disappeared, bringing more lower-paid employees into the system. Statutory Sick Pay is now generally calculated as 80% of normal weekly earnings or the applicable weekly flat rate, whichever is lower. For the 2026–2027 tax year, the flat weekly rate is £123.25.
Employers should confirm that payroll software applies the correct calculation and transitional rules. An absence beginning before April 6 may be treated differently from one beginning after that date. Payroll systems, unfortunately, are not famous for appreciating vague instructions such as “just use the new rule when appropriate.”
Day-One Paternity and Unpaid Parental Leave
Paternity leave and unpaid parental leave became day-one employment rights on April 6, 2026. An employee no longer needs to complete a minimum period of service before qualifying for the leave itself.
This does not automatically remove every eligibility condition connected with statutory pay. Employers should distinguish carefully between the right to take leave and the separate rules governing payment.
A new Bereaved Partner’s Paternity Leave entitlement also allows eligible fathers or partners to take up to 52 weeks of leave if the child’s mother or primary adopter dies during the first year after birth or placement.
Greater Financial Risk in Collective Redundancies
When an employer proposes 20 or more redundancies at one establishment within a 90-day period, collective consultation obligations may apply. From April 6, 2026, the maximum protective award for failing to comply increased from 90 to 180 days’ pay for every affected employee.
That can turn a poorly managed restructuring into an exceptionally expensive lesson. For example, a failure involving 50 employees could potentially expose an employer to protective awards calculated across all 50 workers, in addition to other redundancy costs and legal claims.
A future organization-wide threshold is also planned. Once detailed regulations take effect, employers may have to count proposed redundancies across multiple sites rather than examining each establishment in isolation.
Stronger Whistleblowing Protection
Workers who disclose workplace sexual harassment can now receive whistleblowing protection when the legal requirements for a protected disclosure are satisfied. This strengthens protection against retaliation, detriment, and dismissal.
Employers should make sure harassment complaints are not treated merely as interpersonal disagreements. A complaint could engage grievance procedures, equality law, whistleblowing law, and health-and-safety duties at the same time.
Holiday and Holiday-Pay Records
Employers must now keep adequate records demonstrating compliance with statutory annual-leave and holiday-pay obligations. Records generally need to be retained for six years.
A single spreadsheet showing how many vacation days remain may not be enough. Employers should be able to demonstrate entitlement, leave taken, pay calculations, and the treatment of workers with irregular hours or variable compensation.
The Fair Work Agency
The Fair Work Agency launched on April 7, 2026. It brings several labor-market enforcement functions together under one body, including enforcement associated with minimum-wage rules, employment agencies, gangmaster licensing, and serious labor exploitation.
Its responsibilities are expected to expand, including stronger involvement in holiday-pay enforcement. The agency can also support workers, issue guidance, share information with other authorities, and use enforcement powers against noncompliant organizations.
Major Changes Coming Later in 2026
Electronic Trade Union Balloting
Electronic and workplace balloting for statutory trade union ballots is scheduled to begin in August 2026. The reform is intended to modernize a process that has traditionally relied heavily on postal voting.
Trade Union Information and Workplace Access
From October 2026, employers are expected to face a new duty to inform workers about their right to join a trade union. Trade unions will also receive stronger workplace-access rights, subject to statutory procedures and safeguards.
Employers that have had little previous interaction with organized labor should review who will handle access requests, how digital access will be managed, and how managers should respond without interfering with protected union activity.
A Stronger Duty to Prevent Sexual Harassment
The current duty to take reasonable steps to prevent workplace sexual harassment is scheduled to become a duty to take all reasonable steps in October 2026.
The difference may look like one small word, but legally it matters. Employers may need to show that they assessed risks, trained workers, trained managers, maintained effective reporting routes, investigated complaints, reviewed workplace culture, and addressed foreseeable problems involving clients, customers, contractors, or other third parties.
A related third-party harassment obligation is also scheduled for October 2026. A restaurant, for example, may need to respond proactively when customers repeatedly harass servers. A company cannot simply shrug and say, “The customer is always right,” especially when the customer is very clearly wrong.
Employment Tribunal Claim Periods
The Act allows the standard time limit for many employment tribunal claims to increase from three months to six months. Implementation is scheduled no earlier than October 2026, subject to the final commencement arrangements.
Longer time limits could increase the number of claims and make document retention even more important. Employers should not assume a dispute has disappeared merely because several months have passed.
The Biggest Changes Arriving in 2027
Unfair Dismissal Protection After Six Months
Beginning January 1, 2027, the qualifying period for ordinary unfair dismissal protection will fall from two years to six months. The original proposal for day-one unfair dismissal protection was dropped before the legislation became law.
The shorter period will still have a major effect. Employees recruited during the second half of 2026 may acquire protection soon after the new rule begins. Employers should therefore stop treating probation as an informal waiting room where performance concerns can be ignored until the final week.
Probation reviews should be scheduled, documented, and supported by clear objectives. If performance is unsatisfactory, managers should explain the problem, provide reasonable support, and act before the qualifying period expires where appropriate.
Uncapped Unfair Dismissal Compensation
The statutory cap on the compensatory portion of ordinary unfair dismissal awards will also be removed for relevant dismissals from January 1, 2027.
This could substantially increase exposure where a high-earning employee experiences lengthy unemployment or significant financial loss. It will also affect settlement negotiations, litigation strategy, insurance arrangements, and the financial approval process for terminations.
Restrictions on Fire and Rehire
New fire-and-rehire protections are expected to take effect in January 2027. In many situations, dismissing an employee because the employee refused to accept a restricted contractual change will become automatically unfair.
Restricted changes are expected to include important terms such as pay, working hours, pensions, performance-related compensation, and time off. A narrow exception may apply where an employer is experiencing serious financial difficulties and has no reasonable alternative.
Businesses will still be able to propose contractual changes, but they will need stronger business evidence, meaningful consultation, and a careful assessment of alternatives.
Guaranteed Hours and Shift Protection
Workers on qualifying zero-hours and low-hours arrangements are expected to gain the right to be offered guaranteed hours reflecting the hours they regularly work during a reference period.
They are also expected to receive reasonable notice of shifts and compensation when shifts are canceled, shortened, or moved at short notice. Agency workers will receive corresponding protections, although responsibility may be divided between employment agencies and hiring organizations.
The detailed reference periods, notice rules, compensation levels, and exceptions will be set through regulations. Employers should avoid redesigning contracts based on guesswork, but they can begin analyzing scheduling data now.
More Demanding Flexible-Working Decisions
Employees already have a day-one right to request flexible working. The 2027 reforms will make the employer’s response more demanding.
An employer refusing a request will need to rely on a recognized business reason, consult appropriately, explain the decision, and show why the refusal is reasonable. A generic message saying “This role needs office presence” may be difficult to defend when three colleagues perform similar work remotely.
Pregnancy, Maternity, Bereavement, and NDA Reforms
Further regulations are expected to strengthen dismissal protection for pregnant employees, employees on maternity leave, and employees returning from maternity leave.
A broader right to unpaid bereavement leave is planned, including leave connected with pregnancy loss before 24 weeks. The precise length, notice requirements, and eligibility rules will depend on secondary legislation.
The Act also provides for restrictions on nondisclosure agreements that attempt to stop workers from reporting or discussing workplace harassment or discrimination. Proper confidentiality clauses will not vanish entirely, but employers will need to stop treating an NDA as a magical blanket capable of covering every uncomfortable fact.
What the Reforms Mean for Employees
Employees should experience earlier access to important rights and greater protection against insecure scheduling. Lower-paid workers may benefit most immediately from first-day sick pay and the removal of the earnings threshold.
New parents can access certain leave entitlements from the beginning of employment. Workers who regularly work predictable hours under nominally flexible contracts may eventually gain an offer of guaranteed hours. Employees dismissed after six months of service will have greater access to unfair dismissal claims from 2027.
However, not every protection is automatic, and not every workplace disagreement becomes a successful legal claim. Employment status, qualifying service, deadlines, evidence, statutory definitions, and the reason for an employer’s decision will continue to matter.
What Employers Should Do Now
Build a Phased Compliance Plan
Employers should separate reforms into three groups: changes already in force, measures with confirmed commencement dates, and measures still awaiting regulations. This prevents teams from implementing unfinished rules while overlooking duties that already apply.
Audit Contracts and Workforce Data
Review zero-hours contracts, agency arrangements, probation clauses, notice provisions, flexible-working policies, family-leave rules, harassment procedures, and confidentiality agreements.
Analyze actual hours worked by casual and low-hours staff. The contract may promise five hours a week while the scheduling system quietly reveals that the worker has performed 30 hours every week for six months.
Train Managers Before the Rules Change
Many legal disputes begin with a manager improvising. Training should cover probation, performance documentation, flexible-working requests, harassment reports, sickness absence, union activity, contract changes, and redundancy consultation.
Review Payroll and Record-Keeping Systems
Payroll teams should test Statutory Sick Pay calculations, identify low-paid employees newly eligible for payment, and verify how variable earnings are handled. HR and payroll should also agree who owns holiday-pay records and how long each record will be retained.
Prepare for Higher Litigation Exposure
The combination of shorter unfair dismissal qualification, potentially uncapped awards, longer tribunal deadlines, and stronger enforcement increases financial risk. Employers should review employment-practices insurance, settlement authority, legal budgets, and document-preservation procedures.
Practical Experience: Lessons From Preparing for the Employment Rights Act
Organizations preparing for major employment-law reform often discover that the hardest part is not understanding the headline rule. The real challenge is finding every process quietly connected to it.
Consider a fictional retail company with 40 stores, 1,500 employees, casual weekend workers, agency staff, and a centralized HR team. Management might initially assume that the zero-hours reforms affect only employment contracts. A deeper review would reveal that guaranteed-hours rights also touch scheduling software, store budgets, holiday accrual, overtime planning, recruitment, absence cover, and the company’s agreement with staffing agencies.
The most successful preparation usually begins with a workforce map. The employer identifies permanent employees, agency workers, casual staff, low-hours workers, new recruits, workers approaching six months of service, and employees whose pay varies. That exercise often uncovers inconsistencies long before a regulator, lawyer, or employee does.
Another common lesson concerns probation. A company may have a six-month probation clause, but that clause provides little protection when nobody schedules the review. One manager completes detailed monthly meetings; another waits until day 179 and writes, “Not quite the right fit.” Under the new unfair dismissal system, inconsistency like that creates avoidable risk.
A better approach uses automatic reminders at weeks four, eight, twelve, and twenty. Managers record goals, feedback, support offered, and the employee’s response. Probation becomes a genuine assessment process rather than a calendar notification that appears five minutes before a difficult conversation.
Harassment prevention produces a similar pattern. Many employers already have a policy and annual online training. The stronger duty requires a more practical risk assessment. A hotel may need to examine guest behavior toward night staff. A delivery company may need to consider harassment at customer locations. A professional-services firm may need controls for conferences, client dinners, messaging platforms, and alcohol-heavy networking events.
The useful question is not, “Did everyone click through the training slides?” It is, “Where could harassment reasonably happen here, and what have we done about it?”
Redundancy planning also benefits from earlier coordination. A multinational business might approve ten redundancies in Manchester, eight in London, and seven in Edinburgh as separate local projects. Once organization-wide thresholds take effect, those decisions may need to be viewed together. A central approval process can prevent local restructuring plans from accidentally creating collective consultation duties.
Communication is another practical test. Employees hearing that unfair dismissal protection is changing may incorrectly believe every dismissal becomes illegal after six months. Managers may assume they cannot dismiss anyone without a formal year-long process. Neither view is accurate. Clear internal explanations should distinguish fair reasons, fair procedures, automatically unfair reasons, discrimination claims, and ordinary unfair dismissal qualification.
Finally, employers should resist waiting for every regulation before doing anything. Some details remain unsettled, but many preparation steps are useful under any final version: improve documentation, clean up worker data, assess scheduling patterns, train managers, test payroll, review agency agreements, and create a calendar of commencement dates.
The practical experience of legal change is usually the same: organizations that prepare early spend their time improving systems, while organizations that wait spend their time explaining why the systems failed.
Conclusion
The UK Employment Rights Act 2025 is not a single rule with a single start date. It is a broad, phased transformation of employment rights covering sick pay, dismissal, workplace scheduling, family leave, harassment, trade unions, redundancy, enforcement, and flexible working.
Several reforms are already active, including first-day Statutory Sick Pay, day-one paternity and unpaid parental leave, stronger collective redundancy penalties, holiday-pay record requirements, and the creation of the Fair Work Agency. More substantial changes will follow in late 2026 and throughout 2027.
Workers should understand when each entitlement begins and which eligibility conditions remain. Employers should treat implementation as a business-wide project involving HR, payroll, legal, operations, finance, procurement, and frontline management. Waiting until January 2027 to discuss probation, scheduling, or dismissal procedures would be a bold strategyalthough not necessarily a good one.
Note: This article provides general information based on the legal position available as of June 18, 2026. It is not legal advice. Implementation dates and detailed requirements may change through regulations, consultations, court decisions, and updated government guidance.
