Don't Buy a Sectional Until You Measure This One Thing

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By Ben Carter

Updated July 27, 2025
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In-Depth Look

Don't Buy a Sectional Until You Measure This One Thing

You've pictured it perfectly: the sprawling, luxurious sectional that becomes the heart of your living room. It’s where movie nights, lazy Sunday afternoons, and conversations with friends will happen. But a common home decor dream can quickly turn into a logistical nightmare if you overlook one crucial measurement. Before you fall in love with a floor model, let's talk about the single most important step in how to choose a sectional that will actually make it into your home, not just your shopping cart.

The Measurement Everyone Forgets: The Delivery Path

When we think about measuring for a new sofa, our minds immediately go to the living room dimensions. Will it fit against the wall? Will it overwhelm the space? While these are vital questions, they are secondary to the most critical measurement of all: the path from the delivery truck to its final destination. This includes every doorway, hallway, staircase, and elevator it must pass through. Many beautiful sectionals have been returned simply because they couldn't pivot around a tight corner or squeeze through a narrow doorframe.

Your Foolproof 3-Step Measurement Plan

To avoid disappointment, arm yourself with a tape measure and follow this simple plan. First, measure your space where the sectional will live to confirm your ideal dimensions. Second, note the sectional's dimensions from the product page—specifically its height, width, and diagonal depth. Third, and most importantly, measure the entire delivery path. Record the width and height of all doorways, the width of any hallways, and the dimensions of any stairwells, paying close attention to clearance at turns.

How to Choose a Sectional That's Guaranteed to Fit

Understanding your limitations is the key to making a smart choice. If you have a narrow delivery path, a massive one-piece sectional is likely out of the question. This is where learning how to choose a sectional becomes an art. Look for modular sectionals, which arrive in multiple, smaller pieces that are much easier to maneuver and assemble inside the room. Sectionals with a separate chaise or a two-piece L-shape configuration also offer more flexibility for tight deliveries than a large, unified U-shape sofa.

Ready to Find Your Perfect Sectional?

Now that you're an expert on measuring for success, the fun part can begin. Choosing the right style, fabric, and configuration that not only fits your space but also your lifestyle is the final step. To make your search easier, we've tested and reviewed dozens of models. Explore our complete guide to the 'Best Sectionals of the Year' to find our top recommendations for every home and budget.

Frequently Asked Questions

Determining the right size sectional involves balancing the room's scale with your seating needs. Start by measuring your room's length and width. A good rule of thumb is that your sectional shouldn't occupy the entire wall it's against; leave at least 18 inches of space on either side to avoid a cramped look. Also, ensure there are at least 3 feet of clear walkway around it. Finally, consider how many people you typically need to seat to choose a configuration that is both practical and proportional to your space.

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