when do ... return from the united kingdom

It looks like your question is related to a time or schedule, but it's not entirely clear. Are you asking about:

• When someone returns from the United Kingdom?
• Or about a specific event or process related to returning from the UK?

Could you please clarify or provide more context? For example:

• Are you asking about travel dates?
• Is this about a customs process, a flight, or a specific person?

Once I have more details, I can give a more accurate and helpful answer.