The Kingston Pen in Portsmouth, England will be converted into 230 "homes".

Redevelopment of the Portsmouth prison in England.Is it a coincidence, that Kingston penitentiaries in Canada and England were both decommissioned in 2013?

"Built in 1877, Kingston Prison is a prime example of the radial prison design that found favour in the late 19th century. The idea was that prisons, housed in radiating cells, could be observed from a central rotunda...Closed as a prison in 2013, the building cell wings, chapel and infirmary will be remodelled for residential use, with new-build, low-rise apartment blocks located on the sides of the site." (From: Property for sale at 1877 Old Portsmouth Gaol.)
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The Canada Lands Company, the future owner of "The Big House" is not a Canadian Crown corporation:
1.)  The CLC had an interest in two London, England offices.
2.)  The Canada Lands Company-owned CN Tower is "non-federal owned."
3.)  The Canadian Crown corporation CN Rail was privatized in 1995, soon after British Rail was privatized. CN Real Estate, aka the Canada Lands Company, sold half a billion dollars worth of CNR real estate including the Scribe Hotel in Paris, France; CN Towers in London, Ontario; Edmonton, Alberta and Saskatoon, Saskatchewan; the Spadina Toronto roundhouse; thousands of train stations, the Quebec Bridge and 100,000 acres of land (the government of Prime Minister Pierre Trudeau conducted an inventory of CNR real estate holdings in 1980.)
4..)  Canadian landmarks lose all heritage protection before they are transferred to the Canada Lands Company. Many "surplus"properties were National Historic Sites of Canada and Classified and Recognized Federal Heritage Buildings. And Canada's Maple Leaf Flag and Coat of Arms are stripped from government  buildings and towers when they are transferred to the CLC.
5.)  Canada Lands Company and Canada Post executive Moya Greene funnelled Canada Post properties to the Canada Lands Company, including 1500 rue Ottawa, next to Montreal's Lachine Canal. Then Moya Greene was appointed to the UK's Royal Mail; she ended up privatizing the Royal Mail and received the honourary title "Dame".