If they managed to do that Garry they were obviously habitual (I wouldn't like to credit them with the word professional) criminals rather than opportunists, so whatever you do , if they want to get in they will and just as at home in some ways it is best to hope that if they do enter they do as little damage as possible to the building fabric.

We too have our safe anchored but to get over the problem of laying on the floor hubby attached a 2ft concrete plinth to the solid concrete floor but we know it wouldnt be foolproof in the event and we do have a monitored alarm system.