Firstly, as you weigh up the worth of expandable houses versus costs of prefab houses, always include the factors of the purchase price plus some other value that a given structure can bring over time and its versatility. There are definite advantages provided by expandable houses such as less capital expense, more choices on designs and faster building time which makes them useful in a wide range, from houses to businesses and especially in areas that are growing fast. Appreciating these differences will assist you in selecting the best housing option that is appropriate for your specific requirements.