RATS & MICE
Rats in the roof: signs, entry points and what to do first
Scratching above the ceiling does not prove there is a rat. A useful response starts with safe observation, a record of the signs and an inspection-led plan.
Night-time movement, droppings or gnaw marks can point to rodent activity, but possums, birds and building noises can sound similar. Avoid climbing into a roof space simply to confirm a suspicion.
Signs worth recording
- Scratching, running or gnawing sounds, especially after dark.
- Dark droppings in the roof access area, garage, pantry or along edges.
- Gnaw marks on stored goods, flexible pipes, timber or wiring.
- Greasy rub marks along a repeated travel route.
- Shredded paper, insulation or other nesting material.
- A recurring odour or flies around an inaccessible ceiling area.
Note the room, time and frequency. Photograph accessible evidence without touching it. One noise or one dropping is not enough to identify the animal with certainty.
Where could they be getting in?
Likely routes include damaged roof edges, gaps around service lines, poorly screened vents, garage-door edges and openings where additions meet the original building. Overhanging branches and dense climbing plants may also provide access to the roofline.
Do not seal an active entry point until the animal and route have been assessed. Trapping an animal inside can create a welfare problem, odour and additional damage. Never block required ventilation or drainage.
What to do first
- Seal pantry food and pet food in sturdy closed containers.
- Remove fallen fruit, spilled bird seed and accessible rubbish.
- Reduce cardboard and stored materials beside walls or in the garage.
- Check accessible door seals and visible external gaps from ground level.
- Record noises, droppings and damage for 7–14 days if activity is limited.
- For a rental, send photos and dates to the property manager or owner.
Any monitoring or control device must suit the target animal, be used exactly as labelled and remain inaccessible to children, pets and wildlife. Placement inside an unsafe or confined roof space is a job for an appropriately equipped professional.
What to avoid
Do not climb into a hot, unstable or electrically hazardous roof space.
Do not handle, sweep or vacuum widespread droppings without appropriate advice.
Do not leave traps or baits where children, pets or wildlife can reach them.
Do not scatter rodenticide or use any pesticide outside its label directions.
Arrange professional help if
- Noises or fresh evidence continue after food and access conditions are addressed.
- Droppings are widespread or contamination affects food-storage areas.
- Wiring, flexible pipes, insulation or timber appears damaged.
- The likely entry point is high, inaccessible or part of the roof structure.
- You cannot confidently distinguish a rodent from a possum or other wildlife.
A professional assessment can help identify the likely animal, map activity and sequence control with suitable exclusion work. Identification matters because wildlife and rodent situations are not managed in the same way.
HEAR SOMETHING ABOVE?
Tell us when and where.
Text your suburb, property type, the time you hear activity and photos of any safely accessible evidence.