Your concern about furniture theft in urban outdoor areas is valid and common. Fortunately, there are several secure options designed specifically to deter theft and can be permanently anchored. The key is to look for furniture with integrated anchor points or a design that facilitates secure fastening.
For public or semi-public spaces like apartment courtyards, building terraces, or front gardens, consider heavy-duty benches, picnic tables, or planters made from materials like cast aluminum, solid steel, or reinforced concrete. These are inherently difficult to move. Many commercial-grade pieces come with pre-drilled holes or flanges in their bases or legs, allowing them to be bolted directly to a concrete slab, wooden deck, or secured with ground anchors into soil.
Another effective strategy is to choose modular systems where individual seats or tables are part of a larger, interconnected unit that is anchored at several points. Additionally, you can use security cables or locks to chain furniture together or to a fixed structure, much like bicycle security.
When installing, use high-strength, tamper-resistant bolts or concrete anchors. For true peace of mind, consult with a contractor or the furniture manufacturer to ensure the anchoring method is suitable for your specific surface and meets local safety codes. By investing in anchorable furniture and proper installation, you can create a durable and secure outdoor environment without the constant worry of theft.