Riverside communities want deanery demolished (4,3,4)

I believe the answer is:

tyne and wear

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'riverside communities want deanery demolished' is the definition.
I can't judge whether this defines the answer.

'want deanery demolished' is the wordplay.
'demolished' indicates an anagram.
'want'+'deanery'='wantdeanery'
'wantdeanery' is an anagram of 'TYNE AND WEAR'.

Can you help me to learn more?

(Other definitions for tyne and wear that I've seen before include "North-east English metropolitan county since 1974" , "NE metropolitan county" , "Sunderland's county" .)

I've seen this clue in The Telegraph.

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