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Rodents

Black rats

Agile rats that climb well and can use roofs, trees, cables and loft spaces. They are a common concern around coastal and older urban buildings.

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Reference image of a black rat
Entry-point inspection support from PPS Cyprus

Photo: H. Zell via Wikimedia Commons (CC BY 3.0).

Signs to look for

  • Noises in roof voids at night
  • Rub marks on beams or pipes
  • Droppings in lofts or stores
  • Gnawing on cables, packaging or fruit

Risks

  • Damage to wiring and insulation
  • Food contamination
  • Reputational risk for hospitality sites

Prevention

  • Cut vegetation from roof lines
  • Seal gaps above ground level
  • Secure refuse areas
  • Remove easy food sources

When to call PPS

  • You hear roof or ceiling activity
  • Droppings appear near food or stock
  • You need proofing advice and monitoring

Pest library FAQs

What signs are reported for black rats?

Noises in roof voids at night; Rub marks on beams or pipes; Droppings in lofts or stores; Gnawing on cables, packaging or fruit

What risks can black rats create?

Damage to wiring and insulation; Food contamination; Reputational risk for hospitality sites

When should I call PPS for black rats?

You hear roof or ceiling activity; Droppings appear near food or stock; You need proofing advice and monitoring