Flexible Working Day One Rights: What Payrollers Need to Know

The most important part of a business is the people behind it, which means supporting their personal lives is just as important as supporting their professional lives. Flexible working is one of the biggest ways employers can support their teams.  

Day one flexible working rights mean employees can request changes to hours or location from their first day of employment, without the 26-week wait period and employers must respond within two months.  

For payrollers, this requires earlier contract setup, tighter data-tracking for mid-cycle pattern changes and swift updates to pro-rata pay or allowances. This has increased the administrative burden on payroll teams, requiring more robust HR processes. 

The Effect on Pay Elements 

Implementing day-one flexible working rights directly alters pay elements by triggering base salary pro-rating for reduced hours, recalculating holiday pay, impacting National Minimum Wage compliance during salary sacrifice and changing allowances or tax and National Insurance reporting for home-working and hybrid travel expenses.  

Moving to part-time, compressed, or reduced hours scales down basic salary proportionally unless structured as a compressed full-time equivalent arrangement. Altering working patterns shifts how holiday entitlement and pay are calculated, moving from fixed day rates to average earnings or rolling reference periods for variable hours. Flexible changes that reduce gross pay, such as opting into pension salary sacrifice, cycle-to-work, or car schemes, must be re-checked to ensure the reduced pay does not breach the National Minimum Wage.  

Furthermore, changing regular work locations, such as from a fixed office to home-based, alters what counts as ordinary commuting versus business travel for tax relief and mileage claims, while shifting to permanent remote or hybrid work changes eligibility for tax-free home-working expenses or company stipends.  

Finally, contractual bonuses, performance-related pay, or commission targets may require adjustment or pro-rating to reflect reduced working hours or altered productivity windows. 

The Effect on Pensions 

Day-one flexible working rights affect pensions primarily by enabling workers who reduce their hours, such as moving from full-time to part-time, to start building or accessing pro-rata pension contributions earlier without losing career continuity.  

However, it is important to consider employer contributions by checking if reducing hours drops earnings below the threshold levels or if the employer matches higher contributions regardless of a part-time schedule. It is also crucial to verify that, if you are in a final salary or Defined Benefit (DB) scheme, switching to part-time hours will usually prorate the accrual rate or final salary calculation for the period worked part-time.  

Additionally, reducing your working hours via a flexible arrangement lowers your gross salary, which directly reduces both personal and employer percentage-based pension contributions. Day-one flexible working does not change statutory auto-enrolment rules, meaning you must still earn over £10,000 per year from a single employer and be aged between 22 and state pension age to be automatically enrolled into a workplace pension.  

However, for older workers, day-one or early flexible working requests make it easier to transition gradually into retirement by combining part-time hours with partial drawdown from a defined benefit pension. 

Key impacts on UK Payrollers 

For payroll professionals, these rights translate into several immediate operational challenges: 

• Faster Onboarding & Data Changes 

New hires can request compressed hours, remote work, or altered start times immediately. Payrollers must quickly adjust contractual records, salaries (if part-time or prorated) and location-based allowances or regional tax/cost implications.  

• Shorter Employer Response Window 

Employers have 2 months (down from 3) to process and decide on statutory requests. Payroll and HR teams must coordinate swiftly to ensure approved schedule changes reflect accurately in the next relevant payroll run. 

• Increased Volume & Tracking 

Due to the 26-week waiting period being removed and staff can make up to 2 requests per 12-month period, payrollers may see a higher frequency of mid-probation or early-tenure working pattern adjustments.  

• System & Software Flexibility 

Payroll and time-and-attendance software must seamlessly accommodate changing shift patterns, overtime thresholds and part-time equivalents without manual errors during a worker’s first weeks. 

Key Changes Coming in 2027 

The Reasonableness Test is being implemented, meaning employers can only reject a flexible working request if the refusal is objectively reasonable and directly tied to one of the eight existing statutory business grounds.  

Due to mandatory consultation requirements, employers must hold a structured meeting with the employee to discuss feasibility, explore alternatives and engage in proper consultation before they can legally reject a request.  

A simple statement of a business reason is no longer sufficient; employers must provide a clear written rationale explaining why the refusal is reasonable. Unjustified rejections or a failure to follow the statutory consultation steps allow employees to bring claims to an employment tribunal, with potential compensation awards of up to eight weeks’ pay.  

The existing right for employees to request flexible working from their very first day of employment remains in place, allowing for up to two requests per 12-month period. 

Conclusion 

In conclusion, the introduction of day-one flexible working rights, coupled with the new Reasonableness Test, represents a significant shift in the employment landscape, placing both new opportunities and complex administrative demands on payroll teams. While these rights empower employees to better balance their professional and personal lives, they necessitate a proactive and agile approach from payrollers to manage the immediate impact on pay elements, holiday entitlements, tax reporting and pension contributions.  

The compressed response window and increased frequency of requests require robust systems, precise data tracking and close collaboration between HR and payroll functions to ensure compliance and accuracy.  

Furthermore, the requirement for objective, well-documented reasons for any refusal, backed by mandatory consultation, raises the stakes for employers. Unjustified rejections can now lead to employment tribunal claims with potential compensation awards of up to eight weeks’ pay.  

By adapting to these changes, businesses can not only meet their legal obligations but also demonstrate a genuine commitment to supporting their workforce, fostering a more flexible, engaged and loyal team. 

Why You Should Contact Us   

 The Leppington Group Limited (TLG) is a UK headquartered company specialising in payroll advisory, audit and consulting services.   

Originally founded in 2011, TLG has established itself as a reputable, independent and trusted partner for organisations seeking expert guidance for any aspect of payroll requirements.   

TLG's core services include payroll audit & health checks, issue navigation, procurement, vendor selection, implementation guidance, project mediation, payroll administration and cyber & privacy services.   

TLG's commitment to excellence and a customer-centric approach, has elevated the organisation as a valuable resource for businesses seeking to optimise their payroll processes without the ‘Big Four’ price tag.   

TLG exists to make payroll simpler, businesses better and results clearer.