High risk
Your outdoor socket trips the electrics every time it rains or gets wet.
Low risk
Your garden or outdoor lights have stopped working or are not coming on at all.
Your PIR security light is not coming on when it should detect movement.
Your security light is stuck on permanently and will not turn off, even during the day. In UK homes this is usually a stuck PIR sensor, override/test mode, or a wiring fault, often fixable with a safe reset, but call an electrician if the light stays live after isolation checks or you smell burning.
Your pond pump keeps tripping the RCD or circuit breaker whenever you plug it in.
Your hot tub keeps tripping the circuit breaker or RCD whenever it runs.
Your driveway lights have stopped working or are not coming on at dusk.
Describe the job and get a fixed price from a local electrician.