What is a Bump-Out Addition? Expand Your Home's Square Footage

The Kitchen: This is the gold standard. A bump-out is perfect for adding a breakfast nook, a larger walk-in pantry, or space for a double-oven setup without sacrificing floor space.
The Bathroom: If your master bath is a cramped rectangle, pushing the wall out by 4 feet can allow for a separate walk-in shower and a soaking tub, turning a basic bathroom into a spa-like retreat.
The Laundry Room: Many homes have laundry in a narrow hallway. A small bump-out can create a dedicated utility space with folding tables and shelving.
The Entryway: Adding a small mudroom area keeps the rest of the house clean by providing a designated spot for coats and boots.

Bump-Out Space & Cost Estimator

Room Type Wet spaces cost more due to plumbing and electrical work.

Wall Width (ft)

Extension Depth (ft)

Tip: Most bump-outs range from 2 to 10 feet in depth. Check your local setback requirements before planning.

Added Area: 30 sq ft

Estimated Cost: $4,500 - $9,000

EXISTING ROOM

Visual Representation (Approximate)