Interior Design Principles

noun a design or layout that involves extending a building underground or creating multiple levels below ground

adjective describing a type of architectural design that involves extending a building underground or creating multiple levels below ground

• The architect designed a deep-plan building to maximize space efficiency.
• The new office has a deep-plan layout, so there's plenty of room for everyone.
• I love how the house has a deep-plan design, it feels so spacious!
• His thoughts were like a deep-plan building, with many layers and complexities.