Unorthodox episcopal bash held in this church residence (7,6)

I believe the answer is:

bishops palace

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'this church residence' is the definition.
I don't know anything about this answer so I can't tell whether it can be defined by this definition.

'unorthodox episcopal bash' is the wordplay.
'unorthodox' is an anagram indicator.
'episcopal'+'bash'='episcopalbash'
'episcopalbash' is an anagram of 'BISHOPS PALACE'.

'held in' acts as a link.

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I've seen this clue in The Irish Times.

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