A spokesman said: "This spend relates to the Downing Street Building Modernisation Programme launched in 2006, under the last government, to address structural repairs and the renewal of failing infrastructure, having gone without refurbishment for some 50 years.
Interventions to improve housing conditions included warmth and energy efficiency (15 studies), rehousing and refurbishment with or without neighbourhood renewal (11 studies, 10 of UK neighbourhood renewal interventions), and rehousing from slums (4 studies).
However, the refurbishment has not been without the odd mishap, so frequent during Basil's halcyon days.
Nuclear experts say that without the refurbishment program, the nation's arsenal could slowly shrink as warheads fail or are used up in destructive testing.
John Cahill at Investec said: We consider this deal to be typical of Workspace's ability to drive its refurbishment and redevelopment programme without jeopardising the strong income growth in the investment portfolio.
Like cars, yachts begin to depreciate immediately, rarely gaining in value without extensive refurbishment or advertising.
This should allow SpaceX to reuse without any refurbishment required, lessening the time and money cost of relaunches further still.
However, in order to make a subsequent launch cheaper, that same rocket must be able to launch again without much refurbishment.
They say without major refurbishment that will cost in excess of £3m it will become unsafe and close in the next few years.
Most were done in the UK, and the studies most relevant to residents here were of warmth and energy efficiency improvements, and programmes of general housing refurbishment or rehousing, with or without neighbourhood renewal investment.
