Cabinet to debate area boundaries.
Durham County Council's cabinet is being asked to approve amended boundaries for the Edmundbyers, Eggleston, Ireshopeburn/Newhouse West/Blackdene, Muggleswick, Newbiggin and Shildon conservation areas.
Some of the changes would include new land and buildings, while there is also a proposal to merge two areas that are currently separate.
Councillors are also being asked to note that the start of the Durham City Conservation Area character appraisal, which recommend ways to improve upon and manage change within historic areas of the city.
Sandra Robertson, heritage, landscape and design team leader at the council, said: "The purpose of character appraisals is to make sure that the unique characteristics and important historic features of all of our conservation areas are better understood and preserved, while ensuring they provide communities with an environment which balances heritage and the demands of modern day life."