Home Addition Basics: Bumping Out vs Second Story vs Separate Structure

Types of Additions

Bump-out adds small space. Full addition major project. Second story doubles footprint. Attached versus detached options.

Foundation Requirements

Match existing or new type. Soil testing may be needed. Drainage considered. Frost depth requirements.

Connection Details

Roof tie-in critical. Foundation connection proper. Interior transition seamless. Systems integration planned.

Planning Process

Architect involvement typical. Engineering required often. Permits comprehensive. Timeline realistic.