I should also clarify - when I said the employer will let her do this as a favour, it's not specific to her and they'd be happy to let other UK employees work remotely from home occasionally too.
My wife has a UK Tier 2 General visa and her employer is prepared to let her work remotely for a few days per year so that she can spend a few more days staying with her family outside the UK. These would otherwise be normal paid work days. Does anyone have any experience about whether or not that ...