Facilities found in castle towers needing adjustment (5,7)

I believe the answer is:

water-closets

'facilities' is the definition.
(water closet is a kind of facility)

'castle towers needing adjustment' is the wordplay.
'needing adjustment' indicates an anagram.
'castle'+'towers'='castletowers'
'castletowers' is an anagram of 'WATER-CLOSETS'.

'found in' is the link.

I've seen this clue in The Telegraph.

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