Historic Environment Scotland have recently published an updated guidance note covering windows in historic buildings. The document, entitled Managing Change in the Historic Environment: Windows sets out the principles that apply for anyone considering altering the windows of a Listed Building. This new guidance note replaces the previous guidance published by Historic Scotland in October 2010 and can be accessed via the following link https://www.historicenvironment.scot/archives-and-research/publications/publication/?publicationId=3425bb51-8a55-4f99-b7aa-a60b009fbca2
Updated Historic Environment Scotland Guidance on Windows