I must confess, I would like to see this - looks very interesting with both Tony Selby and Mike Pratt in it. Looks like it is coming out from the BFI according to that link:
Dissent & Disruption: The Complete Alan Clarke at the BBC - Limited Edition 13-Disc Blu-ray box set
Includes all surviving BBC TV productions directed by Alan Clarke, extensive extra features (as detailed above), a comprehensive book with new essays and full credits, and an exclusive bonus DVD containing the seven surviving Half Hour Story episodes directed by Clarke: Shelter (1967), The Gentleman Caller (1967, previously considered lost), George’s Room (1967, previously considered partially lost); Goodnight Albert (1968), Stella (1968), The Fifty Seventh Saturday (1968) and Thief (1968, previously considered lost).
Release date: 23 May
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Daley & McCann are, as good as, holding hands, on the exercise yard, in the scrubs.