A council has given an estimated start time for repair work to begin on hundreds of homes damaged by poor insulation installations.
More than 100 homes in Caerau were damaged after insulation installation work funded through multiple schemes 10 years ago resulted in serious damp and mould.
Bridgend County Borough Council (BCBC), which provided Welsh Government funding to a company called Green Renewable Wales Ltd (GRW) to carry out work on 25 properties, was awarded £2.65 million by the Welsh Government last month to carry out "essential" remedial work.
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When questioned on the timescale of the remedial work in Caerau at a Bridgend County Borough Council Cabinet meeting, the council's Chief Executive, Mark Shephard, said that it would likely begin "towards the end" of 2022 and that the "bulk of the work" would take place in 2023-24.
He said he hoped that "with a fair wind", the Welsh Government funding would arrive by the end of the year.
An engagement process and procurement process to secure the expertise to carry out the work will need to be carried out before any physical repair work can begin, the Chief Executive said.
Cllr Dhanisha Patel raised concerns that many people have been struggling to get hold of building supplies and materials and was wary of the risk of setting "unrealistic goals".
Mr Shephard said: "The estimated cost of repairing all 104 homes in Caerau has risen and the Council had proposed to pay the additional £855,000 to make up the overall estimated cost of £3.5 million."
Mr Shephard conceded that it is "a lot of public money" to put the issue right, but added that it was "the only way to put it right".
He also highlighted the importance of the engagement and procurement process, saying "we would want to procure those who have good expertise" and that the council "need to get the right people in".
An internal audit report into the Arbed Scheme highlighted multiple failings, including the discovery that public money may have been paid to a firm that didn't exist.
It was found that "no due diligence checks were evidenced" in contracting GRW, which was funded by BCBC through the Arbed Scheme, and the companies it sub-contracted.
The internal audit report also highlighted potential breaches of the council's Members Code of Conduct.
The Director of the now dissolved GRW, Phil White, who died in October was also a BCBC councillor at the time.
Council Leader, Huw David echoed Mr Shephard's insistence on making sure that the repair work was done properly.
At the meeting he said: "We are sorry about what has happened and we are doing our very best to rectify that. We will move as quickly as we can on this, but we want to make sure that the work is done properly."
The council will submit its detailed business case to the Welsh Government, as required in the offer of funding by February 28.
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