Used when enlarging physical structures like homes or buildings. The library will build onto the east wing to create more space for readers.
Pro Tip 2/3
Attachment Significance
Describes a significant addition, not just a minor change or repair. We plan to build onto the clinic to offer more medical services.
Pro Tip 3/3
Literally Building
Refers to actual construction activities, not metaphorical or abstract ideas. The school decided to build onto its sports facilities to encourage athletics.