Replacing windows in a listed building is not suggested. It is best to retain the original windows. However, when you have to, this article discussed this.
Listed building windows would normally require some repairs during the course of their lives. This article discusses listed building window repairs.
Listed building changes require consent. The article touches on listed building consent in general.
Listed building windows and doors are precious. The article touches on why listed property owners should not replace their original windows and doors.
If you want to alter your listed windows you need to take a few things into account. This article discusses the elements to consider.