Measuring your balcony correctly is the single most important step before buying urban outdoor furniture. City balconies are often irregular, narrow, or shaded by neighboring buildings, so a tape measure alone isn’t enough—you need a system. Here’s the most reliable method, refined for tight spaces.
Step 1: Create a rough floor plan
Use a piece of graph paper or a simple grid on your phone. Draw the balcony as a rectangle, noting any columns, railings, or door swings. Mark the exact location of the door threshold, because furniture must clear it when opening. Measure the width and depth at three points: floor level, mid-height, and railing height—balconies often taper.
Step 2: Measure the “usable depth”
The depth from the door to the railing is rarely fully usable. Subtract at least 6–8 inches (15–20 cm) from the railing edge for safety and cleaning room. Also subtract the swing radius of your doors—if the door opens inward, that space is lost to your furniture. Your usable depth = measured depth minus 8 inches minus door swing.
Step 3: Measure clearances for movement
For urban comfort, you need a 24-inch (60 cm) walking path at all times. If you want a bistro table and two chairs, add the chair’s pulled-out depth (typically 30 inches) to the table’s diameter. Use masking tape on the floor to simulate the furniture’s footprint before purchasing. This is the most accurate “test” you can do.
Step 4: Check vertical and wind constraints
Measure the railing height and ensure your furniture is lower than it, or that you don’t mind losing the view. Also note the wind exposure—if your balcony is above the 10th floor, avoid tall, lightweight pieces. Measure the ceiling height if you plan a hanging chair or vertical planters.
Step 5: Log your numbers
Write down dimensions in this order: length (left-right), depth (door-to-railing), usable depth, door clearance, and any columns. Take photos with a tape measure visible. This log will help you filter furniture listings instantly—never trust a photo alone.
Final pro tip: Buy furniture with foldable or stackable features for urban spaces. Even if your measurements show 100% fit, allow 2 inches of buffer on every side for paint buildup, uneven floors, or seasonal plant pots. Measure twice, buy once—your balcony will thank you.