Following Slaney's theory of an anagram within the clue with a letter missing - I am not sure if the answer in Dreamt or dreamo? .... 20d. 6 letters. D - E - M - Detected aroma about attractive...
Help - Slaney are you out there?! 2d. 8 letters. 2nd = p Delegate's hurt - no pipes allowed. 6d 10 letters. - - - - - a - i - - Pool in an attractive estate.