The row between Windsor's premier conservation society and the council over the state of the town's historic Guildhall has flared up again.

A second angry letter from Windsor and Eton Society in just over two months accuses the Royal Borough of allowing the Grade One listed 17th century building to become neglected and dilapidated.

Written directly to the council's leader Andrew Johnson it repeats claims made in its earlier letter in August that the Guildhall's first floor windows have been allowed to rot over a period of years.

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The letter - written by the society's heritage and environment committee chairman Theresa Haggart - refers to dirty and flaking walls, filthy and damaged stone ledges, a filthy and wet outside rear stairwell, all clearly visible to street tables where nearby restaurant customers sit.

On the north side of the Guildhall, next to the Grade 2 listed iconic 'leaning' Market Cross House, the letter refers to an ugly makeshift wooden panel forming a gate, left to become dirty, neglected and dilapidated.

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The letter concludes: "The Windsor and Eton Society always want to work with and support your teams in the Royal Borough and have done so over many years. On this issue however we feel ignored and our requests for engagement over two years have been consistently rejected and sadly have come to nothing.

"We feel very strongly particularly about the need for a Conservation Plan/ Statement and Maintenance Plan, which in our experience is very basic ‘best practice‘ for any significant building."

This week the council's deputy leader Cllr Samantha Rayner said that builders were now expected to start work undertaking repairs to the building on November 12, which it was believed was allowed under new lockdown rules.

She said: "I'm happy to meet members of the society on site to allow them to show me where they feel work is needed."

Windsor and Eton Society was set up after the war to protect Windsor and Eton's heritage.