Mr Copeland begged the chairman's indulgence, stating that he was a joiner by trade and was keen to see the "early joinery work" in an outbuilding at Prehen House, a property listed in the Audit Office report.

BBC: Public Accounts Committee

Alternatively, why not hire a local electricity company to perform an audit of your property?

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After studying the accounts, its temporary boss, Steve Miller, a veteran of the rescues of Chrysler and Canary Wharf (a property venture), replaced the entire audit committee in November.

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After an audit identifies energy- and water-saving opportunities, property owners wishing to pursue PACE financing enter into an assessment contract with CSCDA to finance the project.

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If you live in one state and buy expensive personal property in another, you could face a sales- and use-tax audit.

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Other possible red flags that could trigger an audit include deductions for either a home office or maintenance of a rental property.

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When BBC Wales originally reported on the Wales Audit Office investigation earlier this month, Langley Davies, who is managing the property portfolio on behalf of South Wales Land Developments Ltd, said there was significant claw back, but would not say how much, or at which sites.

BBC: Wales politics