Yes, absolutely. Chaining benches to a fixed object is one of the most practical and widely used extra security measures, especially in public spaces, commercial areas, and schools. In fact, many facility managers do exactly that to prevent theft, unauthorized relocation, or simple mischief.
When you chain a bench to a solid, immovable object—like a concrete pillar, a permanently installed metal railing, a heavy-duty bike rack, or even a ground anchor bolt—you add a significant layer of physical deterrence. The key is to choose a location where the fixed object itself cannot be easily cut or pried loose. For instance, chaining a bench to a deep-set concrete bollard works much better than attaching it to a thin wooden fence post that could be smashed with a hammer.
I recommend using a heavy-duty, weather-resistant chain—preferably case-hardened steel with a minimum thickness of 8mm to 10mm (about 5/16 to 3/8 inch). Pair it with a high-security padlock that is also weatherproof, ideally one with a shrouded shackle to resist bolt cutters or sawing. Some people even use chains coated in rubber or plastic to prevent scratching the bench’s finish.
Of course, there are a couple of things to keep in mind. First, ensure you have permission if the bench is on public or private property that you don’t own. Second, think about maintenance—you or your team will need periodic access to remove the chain for cleaning or repairs, so don’t weld the chain permanently unless you’re absolutely sure.
In practice, I’ve seen this done effectively in apartment complexes, patio seating areas, and even in small parks where theft was an issue. It’s a low-cost, high-return solution that doesn’t require permanent drilling into the bench itself (which could void warranties or weaken the frame). Just make sure the chain is long enough to allow the bench to be moved slightly for cleaning but short enough to prevent it from being carried away.
So, to put it simply: yes, you can chain benches to fixed objects, and it works very well as an extra security measure—just do it smartly with the right hardware and a secure anchor point.