The land, buildings, seabed etc should belong to the UK, similar to the land owned by the Forestry Commission or MoD. The sovereign does not own it, but takes

The land, buildings, seabed etc should belong to the UK, similar to the land owned by the Forestry Commission or MoD. The sovereign does not own it, but takes part of the profit from it to fund the royal family, and gives the rest to the treasury. https://en.wikipedia.org/wiki/Crown_Estate https://en.wikipedia.org/wiki/Crown_Estate has a good background.