He founded his own parties from the proceeds of the sale of a mews house in Hampstead, North London which he moved into in 1969 but stopped paying rent in 1984; remaining there as a squatter for the required 12 years. He made a profit of £710,000 from the sale of the house in 2004 after HM Land Registry awarded him possessory ownership of the property, known as acquiring, "Title by Adverse Possession" Weiss moved for a brief period to Ireland before returning to London, he currently lives in a Highgate retirement home in London.