English is nuts about ugly quality (13)

I believe the answer is:

unsightliness

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'ugly quality' is the definition.
'unsightliness' can be an answer for 'quality' (unsightliness is a kind of quality). I'm unsure of the 'ugly' bit.

'english is nuts about' is the wordplay.
'about' indicates an anagram.
'english'+'is'+'nuts'='englishisnuts'
'englishisnuts' is an anagram of 'UNSIGHTLINESS'.

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I've seen this clue in The Daily Express.

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