I have had a look, just out of interest, but Hornby seems to charging a lot of money for what is made relatively cheaply in China.
From being around Tool Making and the Plastics Moulding industries someone somewhere is making a large mark-up on the costs involved.
Yes they are nice, but they seem to be too perfect, without a lot of weathering require to make the model look more realistic.
Model Railways use to be a cheap hobby, one where you could pick up bits and pieces for pocket money, or improvise a house hold item with a bit of paint, but now you need very deep pockets and the increase is not just inflation as it’s a lot more.