Welcome to Chatham Design Group, a leading provider of professional house plans and custom home plans for over 25 years. Search our selection of thousands of house plans designed by some of the nations leading home designers and architects. Search for your new home plan by design features or explore our collections and architectural styles. We can customize any house plan and modify any floor plan to fit your needs. We are happy to provide you with a free modification quote. Prefer a home plan designed especially for you? Call today and ask about our free home design consultation. Our friendly and knowledgeable customer service representatives are here to help you begin your home building project today.