Pest advice hub
Common Pest Problems in Basements
Clear London-focused pest advice from Combat Pests, written for homeowners, tenants, landlords and businesses.

Quick answer
- Confirm the pest before choosing a treatment.
- Record where and when signs appear.
- Avoid moving affected items through the property.
- Protect food, bedding, pets and vulnerable people.
- Book a professional inspection if activity continues.
Common Pest Problems in Basements is handled best when inspection, treatment and prevention are planned together rather than treated as separate jobs.
Common Pest Problems in Basements
For landlords, tenants and businesses, a clear record of what has been seen can be just as important as the treatment itself. This guide explains what to note and what to avoid.
Good pest control advice should be calm, clear and evidence-led. Take notes, avoid spreading affected items and keep access clear for inspection.
What to check first
- Where activity is seen and when it happens
- Nearby food, warmth, moisture or access points
- Whether neighbours, tenants or staff have noticed the same issue
- Any recent travel, works, waste changes or second-hand furniture

Best service for this problem
| Situation | Recommended action | Why it helps |
|---|---|---|
| Unclear evidence | Book a pest inspection | Confirms pest type and source |
| Active issue | Choose the relevant treatment | Targets current activity |
| Recurring activity | Add proofing and prevention | Reduces repeat problems |
Practical examples

Evidence
Keep useful signs visible until the inspection where it is safe to do so.

Prevention
Small changes to access, storage or cleaning can reduce repeat activity.
Helpful next steps
For direct help, see Pest Inspection, Pest Inspection, Prices and Contact.
Frequently asked questions
What should I do first?
Keep evidence visible, reduce immediate risk and note where activity appears.
Is DIY pest control enough?
DIY products can hide symptoms without finding the source.
When should I book help?
Book help when activity is repeated, spreading or affecting food, sleep, tenants or customers.