The standard CAA approval allows the use of drones with control of a 50-metre area around the drone. Control means the people within the area are under the instruction of the pilot. In rural areas
this control area is realistic, but for inspecting more urban areas, this will often mean that there are roads and other pathways that will need control. This is often impractical.
With a twenty-metre control area this equates to 16% of the area of control for a 50 metre approval.
This means most buildings can be inspected.
For buildings where a 20-metre approval is still not acceptable, then LHW has other solutions including extendable poles and hand-held photography.