Milroy's of Soho VAT #3 is a blended whisky presented at cask strength and with a stated age of 30 years. For a new drinker, that usually suggests a fuller texture and a more concentrated style than standard bottlings.
Long ageing often brings greater integration and complexity, with oak influence becoming more apparent over time. As a blend, it may combine whisky from more than one distillery to create a balanced house style rather than highlighting a single distillery character.