Custom Home and Building Design Our experienced designers will work with you every step of the way through the custom design process. From custom garage and workshop plans to custom carriage homes and cottages, from economical starter houses to custom luxury homes, let over 60 years of design experience work for you. Westhome Planners (Division of Wesplan Building Design Inc.) is committed to providing you with the best residential and commercial building design. We approach every project with a focus on aesthetics, functionality, cost effectiveness, and structural design. One of the Westhome Planners advantages is our large collection of thousands of pre-drawn ready to build house, garage, duplex, and multifamily plans. Any of these plans can be modified at very reasonable rates to better suit your specific needs.