An overview of flexible working
Understanding the rules and common arrangements in 2025
The updated ACAS Code of Practice (2024) explains how requests should be handled fairly. Tribunals may take this into account if a dispute arises.
A clear flexible working policy helps managers apply the rules consistently.
Important reminder: this is the right to request, not the automatic right to flexible working.
Looking ahead: The Employment Rights Bill (expected in 2027) will require that refusals are not only lawful but also reasonable (more on this later!).
Employees can request flexible working from day one of employment. The old 26-week wait has been removed.
They can make up to two statutory requests every 12 months.
Employers must consult properly before refusing and reach a decision within two months, appeals included.
Employees no longer need to explain how their request will affect the business.
If a request is approved, the change is normally permanent unless both sides agree it's temporary.
Any temporary agreement should be documented clearly.