Maybe you should consider contacting the one of the Alpine Clubs. I know as a member of the German club you can get a key for the winter quarters/bunk rooms of the alpine huts. Their website also as a great search engine to find the alpine huts and their service levels. There is a UK club you can start looking at but I'm not sure if they have the same service. If not you could try and contact the German or Swiss club and see if they would accommodate a foreigner in some way. Oh, the Swiss website is even partially in English.

UK: www.alpine-club.org.uk
Germany: www.alpenverein.de
Swiss: http://www.sac-cas.ch/index.php?id=1&L=3
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Please feel free to disregard my opinion.
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