Holiday flat swapped for the house? (6,2,7)

I believe the answer is:

change of scenery

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'house?' is the definition.
Both the answer and definition are singular nouns.
Maybe they are linked in a way I don't understand?

I don't understand the remainder of the clue.

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(Other definitions for change of scenery that I've seen before include "in new surroundings?" , "What there's likely to be in a theatre" , "What may be required during play" .)

I've seen this clue in The Independent.

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