The best layout will vary according to the orientation of the plot, setbacks, family needs, parking and local building regulations etc. so there is no single correct layout. In practice, however, the living space is typically located close to the entrance door, the kitchen then the dining room, and finally the bedroom is situated away from the noise of the rest of the house. The bathroom should be easily accessible and not violate privacy. Take into account the flow of people through the rooms when selecting a 25×25 1 BHK house plan, and not just the amount of space. Do not have unnecessarily long corridors as this wastes floor space. Fusing the living room with the dining area can give a more spacious interior, and integrating storage features can minimize clutter. Natural light and ventilation from the windows can be achieved through proper window planning. Prior to building, check the design with a certified professional to ensure sound structural integrity and conform to local building codes.