@Shella_in_the_Forum
I entered the UK twice in the last several months–first in mid-November and then again mid-March and I didn’t have problems either time.
I actually had to talk to border guards in both instances as even though I flew in the first time through Glasgow–which is a pretty small airport-- they were directing some people to in-person processing as the lines for the e-gates were kind of long and there was almost no one waiting in those lines.
And the second time I came by bus/ferry from Europe and as far as I could tell I don’t think they had e-gate options at the ferry crossing.
If you are flying in from the US to a major airport like Heathrow, the chances of having to talk to someone are very slim as you will be using the e-gates, but in my experience, it went very smoothly. They just asked a few questions about our visit, how long we may be staying,etc… Glasgow was a pretty small airport with only a few gates, so I think that is why they split people off from the gates to the guards.
In the first instance, we had a flight booked out of the UK as we had a sit planned in Turkey and we offered to show our return ticket and she said she didn’t need to see it. I had a hotel booked for the first night as we came a day before we were due to arrive at the house but they didn’t ask to see that either.
In the second instance, we were asked similar questions but when asked about how long we were planning to stay, I was honest in saying we didn’t have a set itinerary but gave a general rundown of our plans and said that we would most likely be heading to Ireland next but since we didn’t know the exact date or where we would be just prior, we hadn’t made any travel plans. He seemed fine with this answer. I didn’t think it prudent to lie about this in the event he asked to see proof of leaving as we obviously did not have that. It is rare that border guards ask to see proof of onward travel so I didn’t think to take care of that.
I did have a hotel reservation in case he asked to see one as we were heading right to our sit up on arrival in London. I booked a few nights in a London hotel and cancelled as soon as I got the confirmation. He did not ask anything about my accommodation.
Also, you are officially allowed to work remotely in the UK as long as it is not the primary purpose of your visit, you aren’t providing services for a UK company,etc… So mentioning that would not pose any problems if you thought it would help show you have the means to support yourself and why you are able to travel so long.
I think it is important to remember that based on the stories I have seen, the problem started for the sitter when they voluntarily offered up information about house sitting completely unprompted ,when asked their reason for visiting–this information was not revealed as a result of being asked directly about it, devices being searched, deep interrogations about their travel plans, being randomly selected for secondary questioning, etc… So long as that is not mentioned, it is unlikely anyone would have any issues.