Demanding entry in Glaswegian houses (6)
I believe the answer is:
trying
'demanding' is the definition.
(thesaurus)
'entry in glaswegian houses' is the wordplay.
'houses' says the answer is hidden in the clue (part of the clue houses the answer).
'TRYING' is hidden within 'entry in glaswegian'.
(Other definitions for trying that I've seen before include "Taxing" , "Tiresome" , "Troublesome - but making an effort" , "What could be witnessed in court" , "job for a jury?" .)