Perils of Lissadale House

This is the drive near Lisadale house in County Sligo, Ireland. We had an appointment at 1pm to tour the house. We arrived early, at 12:45 and knocked on the door. An old man came to the very large wooden doors. He peeped his head out and said,"We're Closed." Then, he slammed the door in our faces.
We knocked again, trying to gain entrance to this Gothic building. "We have an appointment" we said to the old lady who came to the door the second time. She rudely replied, "The appointment was for 12:30. You'll have to come back for 2pm. We are unavailable until then. " She slammed the door and refused to open it again. The entire experience was a bit odd. I mean, what were they doing in that old house that they could not allow us in? My goodness, we were writing an article about the place. What gives? Were they conducting a sacrifice on a hidden altar? Were the two old peeps having a go at it? If anyone ever gets a chance to see the inside, please email me so I'll know what is actually going on in there. Spooky.