Don’t you mean technically the UK is, but functionally it isn’t?
The UK is neither “technically” nor “functionally” a theocracy. First of all, the UK includes Northern Ireland, Scotland, Wales and England. Scotland’s national church is the Church of Scotland, of which is independent of the government. In Wales, the Anglican Church was disestablished, so there is no connection between church and state.
The only place where it could even be argued that there once was a theocracy is in England, where the Church of England is a state church, but there are many problems with calling England a theocracy.
Just because the monarchy isn’t absolute doesn’t change the fact that the monarchy is both a part of the church and the state.
The monarch is Supreme Governor of the Church of England, so in theory, the secular ruler has ultimate responsibility for the governance of the church under God. This is different from a theocracy, in which the secular state is controlled by the religious leader. It’s the opposite. The state is not subordinate to the church, but the church is subordinate to the state. At least in theory. Today, the CofE is functionally independent of the state. The Queen’s role as Supreme Governor is largely ceremonial.
Also, aren’t there Anglican bishops in the House of Lords?
Yes, but when England was Catholic, bishops also sat in the House of Lords. That didn’t mean England was being ran by the Catholic Church. It reflects the medieval idea that society is made up of 3 estates: the common people, the aristocracy and the clergy. Some bishops sit in the House of Lords to represent the Lords Spiritual, the leaders of the clerical estate.
Looks like a quasi-theocracy (however benevolent) either way.
It’s not. The English Reformation established the secular government’s control over the church. The king through Parliamentary legislation replaced the Papacy as the ultimate ecclesiastical authority in England. It did not create a theocracy, rather it made the Church subordinate to the secular authorities.