In south London area with morning off, one's getting quite hungry (7)
I believe the answer is:
peckish
'hungry' is the definition.
(similar in meaning)
'in south london area with morning off one's getting quite' is the wordplay.
I cannot quite see how this works, but
'south' could be 's' (synonyms) and 's' is found within the answer.
'area' could be 'ec' and 'ec' is present in the answer.
'one' could be 'i' (roman numeral) and 'i' is present in the answer.
This may be the basis of clue (or it may be nonsense).
(Other definitions for peckish that I've seen before include "A little hungry" , "Getting hungry (informal)" , "Somewhat hungry" , "A bit hungry like bird?" , "Informally hungry - like a bird?" .)