Remember that plans are not necessarily "as is." Builders can use a reverse set of plans (sometimes called a mirror image) to better site a house. It's also possible to hire an architect or modification service to personalize a plan. Ask if reproducible prints or electronic CADD files are available for the selected plan. Either will make the alteration process quicker and easier.
On the other hand, stock house plans are substantial past drawn designs by a skilled designer or architect ideally of a specific purpose or general use. The question is, why choose a stock plan over a custom drawn plan? It all amounts to various reasons that are discussed below.
You may also find out after looking at several sets of stock house plans that one is your dream house. Depending on your house building plans, this could save you thousands of dollars in architect fees. If you do order a set of stock house plans, check with the company first to see if you can exchange them later if you want a different plan. Some blueprint suppliers will give you up to 90% credit toward a different set if you return the original plans.
Pre-drawn house plans are those that are drawn by architects or home designers and then offered for sale, unlike those that are drawn for an individual, with input from the customer. While this method may be a great idea, there are definite benefits to purchasing pre-drawn house plans. Architects and home designers that do custom home designing also do a lot of their own designs, and it is these plans that are offered for sale, They are adept at making plans that utilize available space to the best possible advantage, and at laying out a floor plan to optimize curb appeal.