Certainly, a house plan is necessary in building a house. It helps you visualize how the house should look like when it is fully finished. Seeing the overall layout and house design will make you sure that the architect has met your exact requirements on its structure, features, designs, styles and all other important details in building your house. It also gives the home builder a good overview on its house design and guides him all the way through the entire project. So it is imperative to not be rush in making a house plan to ensure that all your requirements are met and to avoid mistakes. Ideally, preparing a house plan should take several weeks and need a lot of discussion with your architect or home builder. Doing this gives you a sense that your hew house is built safe and also assures you its quality and excellence.