'They were coming from everywhere' - cockroach infestations rise after milder winters
Summary
Cockroach infestations have increased in Cardiff and other parts of Wales due to milder winters and denser living conditions like flats. The German cockroach, which relies on humans and carries bacteria harmful to health, is the main pest involved.Key Facts
- Cardiff council reported a 9% rise in cockroach complaints between 2024 and 2025.
- Private pest control in Cardiff is getting five to six cockroach calls per week, up from one or two five years ago.
- Milder winters allow cockroaches living in drains and ducts to survive and multiply.
- German cockroaches do not originate from Germany but from South East Asia.
- These cockroaches carry bacteria that can cause food poisoning, including salmonella and staphylococcus.
- Cockroach complaints are mostly in urban areas; rural areas in Wales see very few reports.
- Cardiff council does not provide pest control for private homes; residents often hire private companies.
- People living in flats or rented apartments reported cockroach infestations coming from places like sockets and kitchen appliances.
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