The UK was not part of the Euro economy.
It is not counted as such but it is very much tied to it and for the most part goes up and down with the Euro economy barring some own goals.
While similar to Denmark and Sweden it retained its own currency, and was also not part of Schengen, It was part of the Single Market.
It is not counted as such but it is very much tied to it and for the most part goes up and down with the Euro economy barring some own goals.