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Float Your Boat? - Fancy living in this floating mega home in the heart of London.
What is believed to be the biggest houseboat in Britain has gone on the market - for £3.5m.
On the face if it the super-luxurious property wouldn't look out of place on any of London's most exclusive streets.
But Matrix Island is actually a converted 1930s steel barge with one of the most coveted river views in the capital – Tower Bridge.
The floating mega-home 130ft long houseboat occupies what is believed to be London's biggest mooring at exclusive St Katharine Docks just a stone's throw from the Tower of London..