Kitchen layout: zones, clearances, and service points

Planning workflow

1. Map food storage, preparation, cooking, cleanup, and serving zones.
2. Locate plumbing, ventilation, electrical, gas, and lighting assumptions.
3. Draw appliance door and pull-out envelopes at full scale.
4. Test a grocery route, two-person use, waste handling, and an accessible-use scenario where relevant.

Formula or decision logic

Choose a layout by constraints: one-wall for a narrow zone, galley for two opposing runs without disruptive cross-traffic, L-shape for an open corner, and U-shape or island only when clear working and travel space remains. An island is optional; if it creates a pinch point, it is not improving the plan.

Worked planning example

In a 12 ft by 14 ft room, two 25-inch-deep cabinet runs consume about 50 inches of width. The remaining 94 inches must serve working clearance and any circulation. Adding a 36-inch island leaves roughly 29 inches on each side before countertop overhangs, which is a warning to remove or resize the island and seek local review.

Limitations and review boundary

• This guide does not size circuits, ventilation, gas, or plumbing.
• Appliance manufacturer clearances control over generic assumptions.
• Accessibility and local code applicability must be confirmed for the project.

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