We can get in again. All is well, though the fixes to the lock are only temporary and more work will have to be done. Our neighbour Ane is as unhappy as we are with the owners’ response to our phone calls, though I for one don’t see much reason to pursue the matter further.
Calvin told me he knew another way into the premises, though it’s one that relies on having long legs, especially if you want to reproduce at some point in your life. I’ll ask him to show it to me anyway, just in case.