The reason is the dearth of workers from the European Union, which has forced owner Fiona Carnarvon to mothball the castle's main business of hosting larger weddings on the site of the Emmy- and Golden Globe-winning show.

Venues, florists, caterers and cake makers said clients are having to manage their expectations.

We have taken the decision to pause the majority of the wedding business at Highclere Castle – we’ve had to, writes Lady Fiona Carnarvon.