Most neighbour complaints about bees come down to one thing: bees flying at head height through a garden, patio or washing line. Honeybees naturally fly a fairly flat, low path out of the hive entrance in the direction they are facing. Beekeepers can change that flight path — without moving the colony far — by placing a solid barrier (a fence, hedge or trellis roughly 2m/6ft tall) a few metres in front of the entrance. Bees treat the barrier as an obstacle and climb over it, and because they keep climbing on the same trajectory for some distance afterwards, their cruising altitude by the time they reach the property line is much higher than it would be over open ground.
A 2m (6ft) hedge, fence panel or willow screen a couple of metres in front of the hive entrance is one of the most effective, low-cost ways to keep foragers well above human height by the time they cross a boundary — no relocation of the hive required.
A 3D suburban apiary showing how a hedge, fence or trellis placed a few metres in front of the hive entrance forces foraging bees to climb well above head height before they ever reach the neighbour's garden.
Bees maintain their climb angle for some distance after clearing an obstacle. A tall barrier placed close to the entrance raises the crossing altitude at the property line far more than an open flight path does, cutting close encounters with people next door.
Adjust barrier height and hive-to-fence distance and watch the flight trails shift from red (crossing through the head-height zone) to green (well clear of it). Toggle the barrier off to see the difference, and raise traffic to stress-test a layout.
UK beekeeping associations commonly recommend a roughly 2m (6ft) screen in front of the entrance as one of the simplest, most effective ways to keep foragers away from neighbours without moving the colony at all.