Border collie fans heartily accessed area? (5)

I believe the answer is:

allan

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'border collie fans heartily accessed area?' is the definition.
I can't judge whether this definition defines the answer.

'border collie fans heartily' is the wordplay.
'border collie' becomes 'all' (I can't explain this - if you can you should believe this answer much more).
'heartily' indicates the central letters.
The centre of 'fans' is 'an'.
'all'+'an'='ALLAN'

Can you help me to learn more?

(Other definitions for allan that I've seen before include "Edgar ____ Poe, poet and short story writer (1809-49)" , "Man's name" , "-- Quartermain (Rider Haggard)" , "Man" .)

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

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