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It added that it intends to sell the artwork, created by street artist Banksy in 2009, next year and in the meantime it has been "gifted" to a local charity.

The company sparked outrage among residents earlier this year when it announced it was selling Slave Labour, which depicts a young boy hunched over a sewing machine making Union Jack bunting.

The unsuccessful campaign to return the "symbol of local pride" to Wood Green was supported by Haringey Council, which now faces the prospect of a second battle.

But the company insists it has committed no "wrongdoing".

"The Sincura Group do not condone any acts of wanton vandalism or other illegal activity, however after carrying out extensive due diligence with regard the works' provenance and ownership we are entirely satisfied that there are no wrongdoings entered in to and are happy to be representing the No Ball Games piece," the statement added.

No Ball Games will be one of three "controversial headline pieces" to be sold at the auction.

A spokesman for Haringey Borough Council told the Haringey Independent that it is trying to contact the owners of the building to find out more information.