Cockroaches
Fast, flat-bodied insects that hide by day and come out at night to feed in kitchens and bathrooms.
Blattella germanica · Periplaneta americana

How to recognise it
- Brown or dark-brown oval bodies, long antennae
- Droppings like ground pepper, egg cases in cracks
- Seen at night or when a cupboard is opened
Identification by description is a first guess. A photo or an inspection gives a reliable answer.