Mrs W pointed out to me recently that one of the words most beloved of estate agents is "deceptively". Houses, for instance, are often deceptively spacious.
It must be one of the few times in life when we're actually glad that we've been deceived.
My personal view is that some properties are deceptively deceptive. At first glance, you think you're not being deceived, but when you step through the door, you realise you've been a complete mug.