How can I improve a poorly designed house plan to make it more functional, especially regarding living areas and kitchen space?

To improve a poorly designed house plan, focus on optimising the flow between living areas and the kitchen. Consider relocating the kitchen to a more central position, potentially opening it up to the main living space for better social interaction and a sense of spaciousness. Adjusting the layout to create distinct zones for dining, lounging, and cooking can enhance functionality without necessarily increasing the overall footprint.