I think you are correct as I found a company mentioned on the Companies House website, This was Crestbrook Investments Ltd. Their registered address was changed to Tides Reach, Llys Helig Drive. The former address was in Finchley, North London. Finchley is an area which is heavily populated by Jews and the names of the directors suggest they are Jewish.
I remember when the former Chief Constable of North Wales, David Owen, lived along Llys Helig Drive and the very large house along there was sold to a Jewish rabbi. This was for ?1 million and it took everyone by surprise at the time. David Owen told a close friend of mine that the Jews had gone along every house there asking if the people would sell their property to them. I know he declined and sold his house (Provencal I think) to Sir Richard Greenbury).
I know they bought The Old Abbey, the former Railway Convalescent Home.
Why is there such an interest in buying up all these properties in Llandudno? There was some interesting information on the source of the funds they used for the large property sale but I cannot post it here. It came from an impeccable source but it is best not to name them.
My mother used to say that in WW2 the Jews moved out of London and lived in Llandudno. That there were more Jews in the town than in Golder's Green. She was very friendly with a Jewish family by the name of Levy. They had 4 children and lived in St David's Road I think. I remember Maisie Levy, who was one of the 4 children. She married Sid Hardman. They lived in The Oval and had a newsagents, souvenir type store in the town. Maisie died quite young in about 1970.