Fences are often installed for security at a property, but they need to strike a good balance between security and aesthetics. Homeowners often feel this is especially important, more so than owners of commercial buildings. You can choose to have gates and fences that are designed especially for security, such as palisade fences, or ones like wooden picket fences that are almost entirely for aesthetics.
If you want both security and aesthetics, there is a balance to strike. A fence such as a mesh fence may be a good option, as this will allow natural light to pass through it while equally being strong and sturdy. If you are a domestic customer and you want a more secure gate or fence for a garden or driveway, then metal gates could work well. If you prefer timber, that can work well too and you can choose a taller fence if you want it to be more impenetrable.