Many thanks all for the advice. Much appreciated. I'll go through it all and get back to you. I resigned to maybe losing the money. But I did think that because bitcoin was all electronic there would be records. But I would like to know why for my own experience and knowledge for the future. Merry Christmas all. 🤓

Thanks. I've taken a screenshot of the details. But now have to work out how to insert it here 

Hello. I've been sending bitcoins 4 times now from my wallet to the same recipient. All have worked fine aprt from the 3rd time. It says it was sent with over a 1000 confirmations. But nothing was received. I can't work out what I did wrong and how I can get my money back. Many thanks. 🤓