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A neighbour’s loose or aggressive dog: safety and agreements
A dog that escapes, runs at you or behaves aggressively can make your garden or street feel unsafe. What can you ask the owner to do, and when should you report it?
Describe the specific behaviour and the place where it occurs. The approach starts with preventing another unsafe encounter, not with a discussion about which breed or owner you think is the problem.
This guide applies to England.
Is there immediate danger?
Move to a safe place. Call 999 if there is an immediate danger. If someone has been bitten or injured, seek medical advice promptly.
Do not test the dog's reactions yourself, and do not let children contact the dog to assess its behaviour. A quiet conversation with the owner can follow later, if that is safe. A familiar or rather friendly animal may react differently in a different situation.
What behaviour have you seen yourself?
Describe what you saw: escaping through a gap, running loose on the pavement, chasing, growling, lunging or biting. Note the date, location and witnesses. Separate your observations from reports by others.
Explain the practical impact, such as being unable to use a shared path. Describe the behaviour as well as your concern, so the owner or service can assess what is needed.
If it's mainly a persistent barking, without the safety issues described here, read the guide on a barking dog. Read the related guide
What can you safely agree with the owner?
Request for immediate practical action
Ask the owner to prevent another escape or unwanted approach immediately, then arrange a lasting repair to the gate or fence. The dog must remain safely controlled while repairs are pending. Leave handling and care to the owner.
A calm opening
“Yesterday your dog came through the opening next to the gate into my garden and ran at me. Because of that I don't dare to use that path properly now. Could you close the opening and make sure the dog cannot reach that area off the lead? Can we make an appointment when that is arranged?”
Record what happens until the recovery is complete
A promised new fence does not prevent escape today. Therefore, ask for a temporary safe solution and a feedback. Seek support if the owner is threatening or if you can't safely contact them directly.
What tools and expert help can fit?
A suitable fence and gate
Let the owner check where and how the dog escapes. A solution must fit the dog, the access and the terrain. Keep common passages usable and agree on who gives permission for work on a shared partition.
Safely accompany the dog
Leash and possibly a suitable muzzle can be part of a professional safety plan or an imposed measure. The owner must learn to deal with this correctly. Ask for risk control; do not try a device on the dog yourself.
Research on behaviour and health
A vet can check whether pain or illness is contributing. Ask the owner to make the immediate safety arrangements first and seek qualified behavioural advice where needed.
Which rules apply in England?
The council’s dog warden or local police can receive reports of a dangerous or out-of-control dog. Call 999 for an immediate threat to people.
What if it happens again?
Keep away from the dog and record where and when it happened once safe. For a bite, seek medical advice.
Sources and review date
GOV.UK — Report a dangerous or uncontrolled dog
Guide reviewed on 7 November 2026.
Keep the next step manageable
Use the free incident diary for a few representative observations, any agreement and improvements. If you need outside help, see Who can help. State what happened, what you have tried and what you are asking the recipient to do. You do not have to keep approaching the neighbour if contact feels unsafe.
Would you like to write to your neighbours?
On the situation page you can see the CalmNotes bundle, its contents and the other support options.