I am a Chartered Building Surveyor by profession (for background)
I have had some quite minor things happen to me over the years, things that generally look like the universe is tickling you under the ribs, just to let you know it's there, I am sure most people have these experiences but discount and forget about them.
A few years ago, I was asked to survey a disused chapel at the local cemetery, the chapel was the last one standing (the other two RC and Non-conformist were demolished in the 60s and 70's) the chapel had been disused for many years (the last service held was in the early 90's) it's a very gothic looking building constructed in the 1870's for its purpose, it's now a grade two listed building which affords it some legal protection, but it's very neglected.
A colleague and I got hold of the keys (the cemetery workers used part of the chapel as a store for gardening equipment) and visited site, put the keys in the door and the door would not shift, it was a big heavy door as you can imagine, my colleague and I are both quite tall and physically fit, we kicked pushed at the door, the strange thing was there was no movement at all, it was as though there was a brick wall behind the door (the lock turned fine)
We called it a day and asked a local joiner to visit site the following week to help get us in, we both met him there, I put the key in the lock turned the joiner pushed the door and it opened with no resistance whatsoever, there was no sign of swelling or rubbing on the frame, and I am at a loss to why we could no open it.
A year or two late, I was at home with my daughter who was a teenager at the time, it was the evening (my then wife was out) I went into the garden to get something whilst my daughter was upstairs, I went to come back inside, and the door was locked, I hammered at the door and eventually my daughter came down stairs, the door had been locked (the key was in the lock at the time) I accused her of locking me out, but how? She had been upstairs the whole time it's a mystery?
Incidentally a few years after our neighbour died of a brain tumour, he died in the night, my daughter woke up at the very time he died (his wife told us all the details) feeling she could not breathe and with a choking sensation, could have been a coincidence but who knows