Olympic champ renovated a modern dwelling (4,5,6)

I believe the answer is:

gold medal winner

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'olympic champ renovated a modern dwelling' is the definition.
I don't know anything about this answer so I can't tell whether this works.

'olympic champ renovated a modern dwelling' is the wordplay.
'a modern dwelling' anagrams to 'GOLD MEDAL WINNER'.
But, I'm unsure how this is indicated.

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I've seen this clue in the Sydney Morning Herald.

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