Plan ahead and know what you want. If you take the time to look at different modern home plans, you will have a much better idea of what you can expect from your designer. Once you know what you want, you can find a professional that fits your style and demands.
Ranch style homes are usually long and low with a bare minimum of interior and exterior decoration. The idea is to create a casual and informal lifestyle, usually with access to the outdoors via large plate glass windows, sliding glass doors, and patios or decks. Ranch style home plans normally imply a single story construction with a low and long roof line, with a cross- or side- gabled or hip roof.
Nowadays cottages are often used as summer or weekend getaways - often by lakes or the seaside - by urban dwellers seeking to escape the noise and rat race. They are often built as rental properties in popular tourist areas. But usually when people think of a cottage they mean a rural dwelling in the traditional English country cottage house plans style with stone or stucco siding, asymmetrical lines, one-and-a-half stories high, and with hip roof and steep gables - the overall impression being a cozy, storybook appearance.
For example, in the southern United States sunshades and louvers as well as light colored building materials for roofing and cladding help to reduce the heat gain. Sustainable design also means that every inhabitant has access to outside views with natural light and natural ventilation. This sometimes results in narrower floor plans, or articulated plans which expose interior areas to several exposures. The contemporary house plan is designed with the goal of reducing fossil fuel consumption, and providing a healthier and relaxing environment.