Grand estate is designed for West Sussex town (4,9)

I believe the answer is:

east grinstead

'west sussex town' is the definition.
(I've seen this before)

'grand estate is designed' is the wordplay.
'designed' indicates an anagram (designed with the letters).
'grand'+'estate'+'is'='grandestateis'
'grandestateis' with letters rearranged gives 'EAST GRINSTEAD'.

'for' is the link.

(Another definition for east grinstead that I've seen is " West Sussex town".)

I've seen this clue in The Independent.

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