Pest Problems and Proportionate Responses

The principle

Pests are present because something attracts them and something allows them in.

Treatment removes the current population. Exclusion and hygiene prevent the next one.

Doing only the first guarantees recurrence, which is why repeat visits become a subscription.

Rodents

Access points can be very small, particularly for mice. Check around pipe and cable entries, air bricks, under door thresholds, and where extensions meet the original structure.

Seal with materials they cannot gnaw: wire wool with sealant, metal mesh, or mortar.

Remove food sources, including pet food left out, bird feeders directly against the house, and accessible bins.

Signs include droppings, gnawed packaging, a distinctive smell and night-time noise in ceilings and walls.

Where rodents are in a loft or wall cavity, professional help is usually warranted, particularly because they damage wiring.

Insects

Ants generally follow a trail to a food source. Removing the source and washing the trail disrupts them more effectively than spraying individuals.

Wasp nests should not be tackled by an untrained person, particularly at height or where anyone is allergic.

Carpet beetles and clothes moths require thorough cleaning of affected areas and are difficult to eliminate with sprays alone.

Bed bugs are a specialist problem and amateur treatment usually spreads them. Professional heat treatment is the reliable route.

When to call a professional

Where the species is a public health concern, where the infestation is established, where access is unsafe, or where the source cannot be identified.

Check the contractor's qualification and the products they intend to use, particularly with children, pets or food preparation areas involved.

Ask what exclusion work they recommend, since a contractor who does not mention it is selling repeat visits.

Rented property

Responsibility varies, and infestations arising from disrepair are typically the landlord's to resolve.