The governor of the Bank of England has issued a blunt warning to potential home-owners that they must be able to pay their mortgages when interest rates go up and not rely on being bailed out of any future difficulties by rising house prices.
The post is piling up at Ryan House, a smart, four-storey Georgian townhouse in the heart of Dublin's office district.
Indian media has frequently reported that Antilia is the world's most expensive home costing between $1bn and 2bn.
The London property market's rush higher may not end in tears anytime soon despite an over 60 percent rally since 2009.
The Bank of England warned that interest rates might rise as early as next year as its chief economist said Threadneedle Street's desire to keep borrowing costs low for several years could be thwarted by a combination of stronger than expected growth and unusually weak productivity.
Mark Carney, the Bank of England governor, has delivered a warning to home owners about the risks of rising interest rates as Threadneedle Street made clear it was keeping a close eye on developments in the housing market.
The Bank of England has stepped back from taking immediate action to cool the housing market but is closely watching the sector, it said on Wednesday as revealed it was stepping up its assessment of the vulnerability of hedge funds to sudden changes in interest rates.
George Osborne has dismissed fears of a housing bubble despite official statistics showing property prices have shot up to their highest level since the 2008 economic boom.
George Osborne's schemes to kickstart house sales have fuelled a surge in interest from homebuyers and the fastest rise in prices since their peak seven years ago, according to a wide-ranging survey of estate agents.
The price of houses in the U.K. hit a record high in July, according to online real estate portal Rightmove, which doubled its forecast for 2013 prices and now expects them to rise by 4 percent, up from a previous estimate of 2 percent.