Minor Republican given award for costumes (8)
I believe the answer is:
wardrobe
'costumes' is the definition.
'minor republican given award' is the wordplay.
'minor' becomes 'ward' (I've seen this in other clues).
'republican' becomes 'r' (abbreviation).
'given' means one lot of letters go next to another.
'award' becomes 'obe' (I've seen this in other clues).
'ward'+'r'+'obe'='WARDROBE'
'for' acts as a link.
(Other definitions for wardrobe that I've seen before include "Stock of clothes" , "Tall piece of furniture" , "Clothing collection" , "Storage unit" , "Cupboard for hanging clothes" .)