Basement remodeling in Portsmouth is considered to be a major housing project. That’s why it requires the attention of professionals. Before starting the project, it is important to secure the necessary permits and have the place inspected to ensure the legality of the project, especially if the basement will be divided into rooms or an additional bathroom will be installed. If you are thinking of computing for the cost, you need to start with a clear plan on what you want your basement to become. Will it be another bedroom? A playroom? An office or an entertainment room? This is important because you will have a better view and understanding of what materials should be used. Materials are a major contributor to the cost of a new Portsmouth basement remodeling project. Additional lighting, insulation, drywall, paint, plumbing and furniture pieces will have an impact on the overall expense of the project.