Hi Shayjay,
Jadet mentioned "WHERE TO LIVE IN AUCKLAND" it's a great book, I've got a copy.
There is plenty of info within including prices etc.
I would strongly recommend you get yourself a copy.
It has a RRP OF $39.95NZ that was for the 2005 copy.
Website:
www.wheretoliveinauckland.co.nz
Shipping was about 14 days to UK.
Briefly, what it does say is - "Beachlands and Maraetai experienced the highest growth in the wave of Auckland-area sales activity during the recent boom but, while most of the area's sales have levelled out, Maraetai, in particular, has continued on a buoyant path".
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Julian