OneRoof editor Owen Vaughan told the Herald while it's great for owners, it's more bad news for buyers.
"If you've been a homeowner over the last year, you've done extraordinarily well but for those trying to break in that's an extraordinarily large hill to climb... Wellington city has become a million-dollar city like Auckland."
It's not just the inner-city either – outer suburbs are creeping up as buyers try to move further out from the centre in a bid to find lower prices.
"We're seeing now values have risen more than 30 per cent in 12 months – in dollar terms that's around $260,000 added to property values in the Greater Wellington Region."
It comes as the Government prepares to reveal the details of its most powerful housing policies.
In March, the Government announced its housing package, which was centred around an extension to the bright line test and removing the ability of property investors to deduct the interest on their mortgages from their taxes.
The policy was announced without any of the details being fully worked through, although details were promised before October 1.