I’d make the decision in this order: how the piece will be used, where it will sit, who will maintain it, and what budget really means over five to ten years. When I choose urban outdoor furniture, I remind myself that wood, metal, and plastic can all work for public seating and street furniture, but they fail for different reasons.
Wood feels warm and fits parks, plazas, courtyards, and streetscapes where people linger. It is quieter and less harsh in hot or cold weather than metal or plastic, and it can be repaired and refinished. But solid wood needs the right species, proper sealing, and regular inspection. In wet climates or high-use areas, choose rot-resistant hardwood or treated timber, check fixings, and plan for sanding or oiling. Cheap softwood with poor drainage will not last.
Metal is strong, slim, and easy to clean, which makes it useful for high-traffic transit stops, bike racks, benches, and modern street furniture. Powder-coated steel or aluminum can handle heavy use and vandalism better than many plastics. The catch is heat and cold: bare metal can become uncomfortable in sun or frost, and scratched coatings can lead to rust. Look for rounded edges, quality powder coating, stainless or galvanized fixings, and drainage that keeps water out of tubes. Metal is often the best choice when security and structural strength matter most.
Plastic, including recycled polymer and composite lumber, is the low-maintenance option. It resists moisture, does not rot, and is easy to wipe down, so it suits playground edges, coastal promenades, food areas, and sites with limited maintenance crews. Good-quality UV-stabilized plastic can last well, but thin or cheap plastic can fade, crack, and look tired quickly. It may also feel less premium and can be harder to repair invisibly. If sustainability is a priority, check recycled content, recyclability, and whether the manufacturer offers replacement parts.
Outdoor furniture durability matters, but I’d compare total cost, not just purchase price: cleaning, repairs, repainting, replacement, and staff time. I’d also test comfort and safety: does the surface get too hot, are there pinch points, is it stable, and can it be used by children and older people? Finally, match the material to the place. Wood brings warmth and character; metal brings strength and a clean line; plastic brings weather resistance and easy care. In many projects, the best answer is a mix—wood seating with metal frames, or plastic slats on metal supports—so you get the benefits without asking one material to do everything.