Ryan , it was sorted when I put the electric fence up mate , signs right around the lofts told to do that by policeman after he had paid a visit but they were already there on the fence I was ready for them mate, So I had kept myself in the clear ,so far no cats to be seen and I can let my birds out again ,only problem now will be aerial ones and SPURS SUPPORTERS , need a solution for them can you help in anyway ha ha ha