Choosing between individual chairs and a bench for a long, narrow urban balcony depends on your priorities for space, flexibility, and social interaction. A bench is often the superior choice for maximizing space efficiency. It fits snugly against the longest wall, creates a streamlined look, eliminates clutter, and can seat more people in a confined area. It offers a built-in, cohesive aesthetic but lacks flexibility for rearrangement.
Individual chairs provide greater versatility. They can be moved to catch the sun, grouped for conversation, or separated for privacy. This allows you to reconfigure the layout for different occasions. However, multiple chairs can make a narrow space feel cluttered and obstruct the walking path.
For ultimate space-saving, consider a built-in bench with hidden storage. If flexibility is key, opt for lightweight, stackable chairs that can be tucked away. The best solution might be a hybrid: a central bench flanked by a single chair or two, blending social seating with optional rearrangement. Ultimately, a bench prioritizes sleek, space-efficient capacity, while chairs offer adaptable functionality for your urban outdoor retreat.