I am trying to find a wet room system that will cater for a very strange shaped shower area. All the systems that I have been told about have a set ‘hidden tray size’. Any ideas?

European Heritage, supplies wet room products (trays, drains, membranes, waterproofing materials). You could also try The Big Bathroom Shop. They are an online only business trading from a huge warehouse, with 12 bathroom experts on hand to help with your enquiry.