Rats and crawling insects are often grouped together as “household pests”, but they reach a property for different reasons and require different responses. In a London home, the useful first step is not to scatter products around every room. It is to work out what is active, where it is travelling and which conditions are supporting it. That evidence makes control faster, safer and less disruptive.
Start with signs, not assumptions
Noises beneath floors or behind kitchen units may suggest rodents, while fine droppings, grease marks or disturbed food packaging provide more specific clues. Crawling insects leave different evidence: cockroaches may be noticed near warm appliances, ants can form a visible trail, and carpet beetle larvae are usually connected with natural fibres or undisturbed dust.
Photograph what you find before cleaning it away and note the room, time and frequency. If the evidence is unclear, a professional pest inspection can separate recent activity from old marks and identify the likely route before treatment is chosen.
Remove the food and water that keep activity going
Pests do not need an untidy home. A leaking connection beneath a sink, crumbs below an integrated appliance or pet food left overnight can provide enough support. In flats, activity may also continue beyond the room where it is first noticed, particularly where service pipes connect several dwellings.
- Store dry goods and animal feed in sealed, washable containers.
- Clean spills beneath appliances and around kickboards, not only visible worktops.
- Repair persistent drips and reduce standing water in trays or plant saucers.
- Keep external bins closed and avoid loose refuse beside the property.
- Remove cardboard and clutter from quiet cupboard or utility areas.
These changes reduce competing food sources, but they do not replace control where an infestation is already established.
Look for routes at the edges of the room
Rats frequently exploit drains, damaged air bricks, gaps around waste pipes and poorly protected external doors. Crawling insects can travel through much smaller joints around cabinets, risers and service penetrations. Check edges with a torch and pay attention to repeated marks rather than sealing every visible crack immediately.
Premature sealing can redirect activity into a less accessible area or, in the case of rodents, trap an animal inside. A planned pest-proofing service connects repairs with inspection findings, so entry points are closed in a sensible order and with materials suited to the location.
Use the right control plan for the pest
A rat problem is not solved in the same way as ants, cockroaches or another crawling insect. Identification determines the monitoring points, the areas requiring attention and the follow-up schedule. For suspected rodents, our rat control service focuses on movement routes, harbourage and the source of access. For insect activity, targeted pest treatment is selected around the species and the way the room is used.
Avoid mixing shop-bought products or moving monitors after they have been positioned. Uncoordinated treatment can scatter some insects, obscure evidence and make it harder to judge whether activity is falling.
Check progress instead of relying on silence
A quiet night is encouraging, but it is not always proof that the problem has ended. Effective follow-up looks for fresh droppings, new damage, renewed trails and changes at monitoring points. Keep food controls and cleaning routines consistent during this period so the results are meaningful.
Use a simple dated note rather than relying on memory. Record where a monitor shows activity, whether food packaging has been disturbed and whether noises occur at a consistent time. This is especially useful in a flat, where a technician may need to distinguish activity inside the home from movement through a shared void. Reliable observations can prevent unnecessary treatment in unaffected rooms.
After activity has stopped, retain sensible storage and cleaning measures but avoid turning the home into a permanent inspection project. A short check of known risk points after building work, drainage problems or long periods away is usually more useful than repeatedly moving furniture without cause.
Homes across London vary from single houses to converted flats and managed blocks. You can check whether we work in your postcode on our London coverage page. If you have found fresh signs, call All Pests Gone on 020 3318 2099 and tell us where the activity appears. We will help identify the most useful next step and arrange an inspection where needed.