Yes, I am in the right topic.
I tried three different chargers and multiple restarts and still nada. Then I moved on to 'remove any debris from the charging port.' 10 minutes, much twiddling with a pin and and an interdental toothbrush later I had dislodged a tiny piece of Schmacko that was blocking something important and had a working phone again. I'm so glad I didn't take it to the shop to be mended 
Note to self : stop putting your phone in the pocket with the treats. I should have stopped doing it after having to buy a new phone case as the last one stank of fishy treats
but apparently I have no learning curve.