A British Watergate in The 70s, Any Possibility/Point?

Could anything the equivalent of Watergate have happened in The UK in the 70s and would we get to hear about it? I have heard it said liable laws etc were so tight in Ireland, we certainly would never officially have been told of a similar incident here, well at least not one implicating a governing political party!
 
Both Heath and Wilson had their paranoid foibles so maybe some wiretapping of each other's HQs might be explored, but I doubt it somehow.
 
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