UPDATE: Lynn and Ray McKay could be waiting up to two weeks before the hole in their backyard is filled in. 

The water has been pumped out and the State Government wants to investigate the shaft before closing it over. 

Standing outside the McKay's Coal St home, Minister for Mines Anthony Lynham said no remediation works would start until a thorough assessment on the property had been finished.

He did, however, also say making the home safe for Lynn and Ray - who will spend the night in a hotel again - was the highest priority.

Minister Lynham also explicitly stated that while in the eyes of the law the financial responsibility to resolve the sink hole fell with the home owner, his government would wear the cost. 

"We have allocated $42 million over four years for situations like this," he said.

"We don't know how much this will cost yet, but whatever it takes, we will pay for it."

Hearing that was a relief for Lynn who said if they were expected to cough up the cash to repair the sink hole that was once their backyard they "simply wouldn't make it".

There are several options on the table when it comes to filling in the hole and the state government is yet to decide how to proceed.

Between yesterday afternoon and lunchtime today the hole has grew significantly.

It is now about 13 metres across, but believed to have stablised.

EARLIER: The owners of the Ipswich home where a sink hole opened up have become overnight celebrities.

Lynn and Ray McKay returned to their Basin Pocket home this morning after spending a sleepless night in a hotel.

During the last 24 hours they've fielded endless calls from the media as the hole in their yard continues to grow and are preparing for a personal visit from the  Minister for Mines himself.

At 9am yesterday the sink hole was about one metre in diameter. 

Today it's about 12 metres across, up from about eight metres yesterday afternoon, with the sides collapsing during the night and more this morning.

Representatives from the Department of Mines and the Department of Environment are still at the property trying to determine the depth of the old mine shaft believed to have collapsed, causing the sink hole.

Minister for Mines Dr Anthony Lynham is on his way to the home to discuss the best way to move forward, including dealing with the potentially contaminated water bubbling in the hole.

Mayor Paul Pisasale says the State Government has decided to fill the hole in with gravel, once it has settled and the water which is full of old bottles and rubbish, has been drained.

The hope is the water can be released into a nearby natural waterway, but that won't happen until the government is sure the water isn't contaminated. 

The old mine shaft is thought to be about 60 metres deep, but could stretch 120 metres into the ground. 

The council has assured neighbours the risk to other properties is minimal and this sink hole has been labelled an "isolated" event. 



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