The design of a landed house small garden involves creating a harmonious outdoor space that complements the architecture of the house. Key considerations include the layout, landscaping, and choice of plants. The layout should cater to the homeowners' needs, such as space for relaxation, dining, or entertainment. Landscaping can include pathways, seating areas, and water features. Plant selection should be appropriate for the local climate and soil conditions, considering factors like color, texture, and seasonal interest.