There are a number of sheds on the property, it's unknown if they are also contaminated.

The 80m2 property may have a P problem, but it does boast views of Rangitoto Island and the Sky Tower.

It may be contaminated with methamphetamine, but this house for sale in Auckland will still set you back more than half a million dollars.

The property in the West Auckland suburb of Glen Eden has tested positive for methamphetamine residue and is currently for sale, and while it has a rateable value of $800,000 its owner is still asking $575,000.

The meth-polluted three bedroom, 80m2 house boasts a huge 2856m2 section with plenty of flat lawn.

It has an internal access workshop/garage as well as a separate garage with an attached office and several sheds.

Dubbed an opportunity for "the less faint hearted", suggestions include a clean-up, renovation or starting again with a demolition.

A P house for half a million being considered an opportunity may seem implausible, but in this current market an Auckland property for sale at $200,000 under RV (and one that's just 15km from the CBD) is a rare commodity.

Putting the price into context, the average asking price for an Auckland home peaked at a record $716,050 in March according to Trade Me's Property Price index.

Ray White real estate agent Glenn Wells, who is marketing the Glen Eden property, said the house had not been used for the manufacture of the drug but a previous tenant had smoked methamphetamine inside.

"It's got a high personal usage in it, he apparently smoked it quite heavily and before I went there I knew there had been a few parties after hearing stories from the neighbourhood."

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'IF WE'RE AWARE OF IT, WE DISCLOSE IT'

Wells said he always took the approach of being upfront with any problems with properties and a positive P test was no different. The property was being sold on behalf of the deceased owner's estate, who were aware the property would be marketed as having been tested positive for P.

"For me personally and my office, as far as I'm concerned if we're aware of the issue we disclose it... if you sell it and say nothing and it comes back you've got banks, solicitors, all sorts that can come back to bite you."

He could not go into the financial details of the property as there were several offers on the table, but noted there were always investors who were looking for leaky homes and houses with positive meth tests to buy on the cheap.

Meth Solutions director Miles Stratford said his company had tested more than 2500 properties in the past two years, with about 40 per cent returning positive results.

With a house such as the one in Glen Eden, the first step for any potential buyer would be to get a thorough lab test that could cost anywhere between $2000 to $3000.

"That way they either have peace of mind (that the levels are not high), info to use while negotiating a price or a red flag to steer clear."

It was hard to estimate how much a house where inhabitants had smoked P in would cost to clean, as it depended on usage, how many rooms had been affected and whether wall cladding and electrical fittings needed to be removed.

Increasing numbers of potential buyers were approaching Meth Solutions for tests after making them a condition on purchasing a property, and some agents had even inserted clauses on the behalf of buyers, which was a very generous thing to do, he said.

"Most people when they go to buy a house, they don't even think about the meth thing, because it's not part of their world."