Ruth and Dave Hall bought their home in Lincolnshire for £169,000 in 2008 but it is now being sold for just £137,000.
She told Business Editor Laura Kuenssberg that she believes they should never have been lent that money in the first place as the house wasn't worth it and they couldn't afford it.
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Portman was due to receive the award in Israel in June and said that her reasons for skipping the ceremony were solely due to Mr Netanyahu.