The website "Unfuck Your Habitat" is a judgement-free zone (comments like "How did you allow your house to get so filthy!" are NOT allowed, for instance) and there are tags devoted especially to trying to clean and organize when you're depressed or ill. I really like it tons.
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http://unfuckyourhabitat.tumblr.com/tagged/depression
http://unfuckyourhabitat.tumblr.com/tagged/mental-blocks