Having acquired Queen’s Head, tear up loose flooring (7)
I believe the answer is:
parquet
'flooring' is the definition.
(I know that parquet is a type of flooring)
'having acquired queen's head tear up loose' is the wordplay.
'having acquired' indicates putting letters inside.
'head' suggests taking the first letters.
'loose' indicates anagramming the letters (letters are loosened from their original positions).
The initial letter of 'queens' is 'q'.
'tear'+'up'='tearup'
'tearup' with letters rearranged gives 'paruet'.
'q' inserted within 'paruet' is 'PARQUET'.
(Other definitions for parquet that I've seen before include "Blocks of wood" , "Patterned flooring made with wooden blocks" , "Type of wooden flooring" , "Hardwood floor covering" , "Floor-covering of wooden blocks" .)