999 no mate i would rather watch them send the door off and bring the plants out,our local copper is sound. 900ss,there has never been any frost or anything in the 3months the house has been used.The heating is always on can tell from the vent.Its pretty obvious what is going on.I am just surprised its taken the local plod so long to realize.It is getting more and more common around my area for vietnamese nationals setting up factories in rented accom.