Vernacular houses have sustained over generations having added or deducted the non-useful. Various aspects of Comfort include thermal and visual comfort. Vernacular houses can be called comfortable as they have adapted to specific places and user groups. Mud houses located on the fringes of Lucknow City and the downtown city houses at Farangi Mahal in Chowk area are two types of vernacular houses that have existed simultaneously for hundreds of years. .Both have subsisted in diverse contexts, have been made of varying materials and techniques and house different communities with altered activity patterns and social structure. Yet both could be called comfortable and sustainable in the real sense of the word.