Great question! When it comes to assembling urban benches, the short answer is: it depends on the specific model, but generally, most urban benches are designed with user-friendly assembly in mind.
In my experience, many modern urban benches come with pre-drilled holes and require only a basic Allen wrench—usually the hexagonal one that’s included in the package. You won’t typically need a drill unless you're securing the bench to concrete or a paved surface (in that case, a hammer drill with masonry bits is helpful for anchors). For standard assembly on grass, gravel, or existing flat surfaces, a simple Allen wrench and perhaps a standard wrench or screwdriver are all you need.
For example, popular outdoor benches from brands like Polywood or Keter often include step-by-step instructions and the necessary Allen wrench. The bolts are usually pre-assembled or easy to hand-tighten. A drill can speed things up if you want to use an electric screwdriver with a hex bit, but it’s not essential. The key is to check the product description: if it says "tool-free assembly" or "includes Allen key," you’re good.
One tip: always lay out all parts first. Some urban benches have hidden fasteners to prevent rust or tampering, but those are still Allen-wrench-friendly. If you’re assembling a heavy-duty cast-iron or steel bench, you might need a socket wrench, but that’s rare for residential or park-style urban benches.
In short: for most urban benches, you won’t need any special tools beyond an Allen wrench. A drill is optional but handy for concrete anchoring. If you’re ever unsure, check the manual—but 9 times out of 10, it’s a straightforward DIY job with minimal tools.