I have worked throughout this, currently sector I am in is high risk, I can easily work from home plus have littlies who have to stay off school. As place of work have imposed very strict guidelines, even within work, if they found "ANY" breach of Govt guidelines they would ask for another 14 day isolation.
In truth there is no great hardship in doing this as heading to the shops is done late anyway and I put in a mask in the store, normally I do not.