29/07/2026
There is not a set legal definition of long-term sickness absence. However, several weeks of consecutive absence is often what triggers a formal management process. Four weeks is a popular trigger.
Neither is there a set list of conditions that are considered qualifying for long-term sickness absence. Some may be considered a disability so care must be taken at all times.
Clarity of your internal process is essential.
https://www.hrdept.co.uk/knowledge-hub/blog/managing-long-term-sickness-absence