Some 25 million bedrooms lie unoccupied in British homes according to a report by the Intergenerational Foundation. It says much of Britain's housing is unused despite a housing shortage affecting primarily the younger generation.

Reporter Sancha Berg speaks to one older couple, defined as living in an under-occupied home. And the Intergenerational Foundation's Ashley Seager and Ros Altman of Saga discuss whether pensioners should be encouraged to sell up the family home.

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