The necessary fixes are expected to total up to $300 million.
That comes on top of $435 million already spent re-repairing homes under earlier policies.
Homeowners will have a year to put in a claim and will have to negotiate the size of their payouts with the commission.
But the payments won't be made under the current law EQC law, and instead will be made as "ex-gratia" payments.
"Owners of on-sold properties were the last group for whom no solution existed - this has nothing to do with liability or responsibility, it's simply in no one's interest to allow this situation to drag on further," a statement accompanying the announcement said.
It said the agreement would not let insurance companies or builders get out of any obligations they had, but would mean homeowners would give up their right to sue to the Government.
About 84 per cent of the quake claims the Government was facing in May last year had since been settled, Woods said.