The head of the state's leaky-home court has defended its decisions after a major High Court ruling which overturned its findings.

Two victims of the rotting-homes debacle have had their compensation payout doubled, and now other victims could get more.

Mayors of the six cities worst hit by leaky home problems want a meeting with John Key to get the Govt to cough up more money to fix the problem.

Leaders from worst-affected areas want to strike deal before Super City formed.

The Government has refused to get involved in large-scale payouts for the multi-billion-dollar disaster of rotting homes.

Contractors who worked on Auckland's luxury Princes Wharf say parts are leaking and major faults have been ignored or patched up.

Councils are staring at an estimated $6 billion legal bill to fix the country's leaky homes - with the crushing debt falling on ratepayers.

Auckland City is dealing with $240 million of leaky homes claims, the highest in New Zealand for any one council.

John Key says the government is still working on a leaky homes solution but it is unclear if the huge bill NZ faces will affect its credit rating.

A $6 billion plan to bail out owners of leaky homes is in jeopardy because of Government fears it could threaten the country's credit rating.