u/Fritzschmied

Hi I have a question. I am traveling with only a carry on/cabin sized trolley to London next month and I was wondering if I could store it somewhere outside or in the park. I really don’t want to go back to the city to my hotel to collect the luggage there as the park is already so close to the airport and it would be great if I could just leaf the hotel with luggage in the morning. Spend my day at the park with my luggage stored somewhere and then in the evening go to the airport to catch m flight. Does anybody here know if this is possible?