The Treasury's objections to the reduction in gaming stakes was a main part of the hold up in this announcement. However they are going to increase remote gaming ( internet gambling )levy/taxes to cover the shortfall.
In the industry it's called Clustering. A few years back ( once Government bought FOBT's under regulation ) they set a limit of 4 machines per shop. In the old days bookmakers had to prove demand in a particular area to be granted a new shop licence, but this rule changed and the local licensing...