Unpleasant racket to get coverage for home contents (7)

I believe the answer is:

noisome

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'unpleasant' is the definition.
(I've seen this before)

I cannot understand how the rest of the clue works.

(Other definitions for noisome that I've seen before include "Repugnant" , "Offensive, noxious" , "Harmful - offensive" , "Offensively smelling" , "Evil-smelling - sounds loud" .)

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

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