They could mount this technology onto a drone. Would make it cheaper still with a third party firm operating it. Could be used for all sorts of surveying work and it can only now be a matter of time before civil business is allowed access to this technology over the skies of the UK. As soon as the Government dreams up a way to regulate it (another name for taxing it). Do the general population (not those with sheds with beds) need to worry about this? Of course councils are strapped for cash which is why they are dreaming up ever innovative ways of raising funds. Newham last week refused to refund illegally gathered traffic fines and some council have been found to be running their fixed penalty departments purely as revenue generation avenues without any hint or reference to the real reason they should be enforcing these rules. Of course this action will be seen by some as racist as clearly it is only affects some sections of the community who in the main participate in this sort of stuff. It seems when it comes down to it, revenue generation trumps political correctness every time...... Satellite thermal images to track migrant workers housed in 'sheds' - Telegraph Council uses spy plane with thermal imaging cameras to catch immigrants living illegally in garden sheds | Mail Online Having lived in the West London area for a number of years I would say the problems around Slough, Hillingdon, Ealing, Hounslow, Harrow and other nearby boroughs is huge. the Slough figure of 3000 top end is a huge under estimation.