A big thank you to Steve for getting in touch. He pointed out that Bean Goose is perhaps a better fit for this morning's goose. I initially thought there was too much white in the tail but I may have been a bit hasty in this assumption. The dark underwing, dark rear flank patch, longer-looking bill and apparently orangey feet do indeed look promising. Steve suggested doing some further 'digging' so if anyone has any suggestions please do let me know.
Edit - a big thank you to Chris Townend for solving the puzzle. An immature Swan Goose turned up on the LORP shortly after this flew over. I don't think I'd ever have arrived at that identification!