The Government has been accused of "actually worsening the housing crisis" ahead of the publication of its National Housing Plan, which the Taoiseach has claimed amounts to "the most unprecedented investment in housing ever".
Minister for Housing James Browne said he believes the measures will reduce homelessness figures, and deliver a "real shift in how we get housing moving in this country".
The strategy seeks to deliver 300,000 homes, including 90,000 starter homes, over the next six years.
However, Opposition parties are highly sceptical that the new plan will deliver a radical increase in housing output.
Social Democrats Spokesperson on Housing Rory Hearne said the Government is "actually worsening the housing crisis" and described leaks from the housing plan as "deeply disappointing".
"There is no radical change here," no radical transformation in how this Government is approaching housing.
"That is deeply disappointing. It's not good enough and I think when we see it tomorrow- people are likely to be very disappointed."
Mr Hearne said the Government will "dress" the plan up as significant changes but said it will just be "tinkering around the edges".
Mr Hearne said the target of 15,000 affordable units per years, and 12,000 social units is "not a significant on what the targets are currently".
"We have seen a consistent failure to actually reach their own targets," he said.
"What we actually need is serious targets."
He said around 30,000 affordable homes would need to be delivered per year "at a minimum".
"I don't see them having the actual ideas, the competence to deliver this and I really feel at this point we are looking for a change in Government in terms of getting real action on housing," he said.
Mr Hearne said the plan based on the leaks does not seem like the "radical transformation" that is needed.
'Unprecedented investment'
Speaking as he arrived for the Cabinet meeting earlier, Taoiseach Micheál Martin said the new housing plan will succeed where previous plans have failed.
He described it as the "most unprecedented investment in housing ever".
It is understood that Minister for Finance Paschal Donohoe has agreed to provide €2.5 billion to the Land Development Agency (LDA) to deliver 14,000 homes by 2029.
The LDA was constituted to support more acquisition of private land to deliver private housing, and find additional strategic public land sites.
If approved by the Cabinet, the new funding could be drawn down immediately, and would bring the total LDA budget up to €8.75 billion.
Watch: Taoiseach says National Housing Plan is 'most unprecedented investment in housing ever'
Minister Browne's National Housing Plan is expected to place a big focus on ending child and family homelessness, including a plan to inject more than €100 million next year to house families who are on the housing list the longest.
The plan, which is months overdue, is also expected to send out a signal of a stable policy landscape, and it is hoped this will contribute to increased private sector investment in homes and apartments.
It is anticipated that the Housing Plan will include much greater use of compulsory purchase orders by local authorities to deal with derelict properties.
Other expected commitments include a target that 20,000 homes will be brought back into use supported by the Vacant Refurbishment Grant, and an Expert Advice Grant to support bringing more homes and vacant shop spaces back into use as homes.
Sinn Féin Spokesperson on Housing Eoin Ó Broin has warned that this plan "must be more ambitious" than its predecessor, particularly when it comes to increased funding, targets and delivery of social and affordable homes.
He called for greater protections for renters from rising rents and eviction, and what he called "clear, measurable targets to end long-term homelessness by 2030".
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The Dublin Mid-West TD said the Housing Plan needed to include a suite of activation measures for small and medium enterprise builders/developers to deliver homes for workers to buy.
He said there also had to be increased staffing for both planning authorities and planning courts in order to speed-up decisions and judgments.
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