During the national restrictions you must work from home where possible
You must work from home if you can do so effectively.
If you cannot work from home (e.g. construction or manufacturing) you should continue to go to work.
Public sector employees working in essential services, including education settings, should continue to go into work.
If you are considered clinically extremely vulnerable it is advised you work from home. If you cannot work from home, you are advised not to go to work and may be eligible for Statutory Sick Pay (SSP) or Employment Support Allowance (ESA).