Introduction Architectural plans are graphical representations of a house or building keeping technical aspects in mind. It provides an understanding of its various characteristics during different phases of the project. Before Starting the Project: It is very important to finalize the actual requirements before starting the work as on paper changes can be made multiple times but during construction, any changes will add additional cost to the project. It also helps decide the structural planning and project costing. During In progress of the Project: Once the plan is finalized, execution of the project based on the plan is easy as all the stakeholders like Owner, Engineer, Contractor, etc focus on a single goal. It also helps plan the next course of action well in advance as requirements are known. After completion of the Project: Plan includes internal and external aspects. Once the project is completed some of the tasks are not visible from the outside like electrical wiring,