How do you report a crime in London?
Emergencies are reported on 999 and non-emergencies on 101 or through the Metropolitan Police online reporting service. A report generates a crime reference number, which insurers and employers commonly require.
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How it works
Online reporting covers many non-urgent categories, including theft and lost property, and the response is returned by email or phone. Local policing teams publish area contact details for issues that are not individual crimes.
Commonly mixed up with
A crime reference number is a record of the report, not a decision that a crime is being investigated further.
How do you report a crime in London?
| Knowledge, London | Big city topics |
|---|---|
| Short answer | Emergencies are reported on 999 and non-emergencies on 101 or through the Metropolitan Police online reporting service. A report generates a crime reference number, which insurers and employers commonly require. |
| How it works | Online reporting covers many non-urgent categories, including theft and lost property, and the response is returned by email or phone. Local policing teams publish area contact details for issues that are not individual crimes. |
| Commonly mixed up with | A crime reference number is a record of the report, not a decision that a crime is being investigated further. |
| Last reviewed | 2026-08-08 |
Short questions
- When do I call 999?
- When there is danger, a crime in progress or immediate risk.
- Can I report anonymously?
- Anonymous reporting routes exist through third parties.
- How do I get a reference number?
- It is issued when the report is recorded.
- Is there help in other languages?
- Interpretation can be requested.
- Where do I report online?
- Through the Metropolitan Police website.
Sources
More in this track
- What is the ULEZ and which vehicles pay?
- How does the London Congestion Charge work?
- How does renting a home in London work?
- How do council tax and London boroughs work?
- How do school admissions work in London?
- Who runs waste, recycling and local services in London?
- What makes up the cost of living in London?
These pages explain how the rules work and link the authority that owns them. They are not legal, tax or immigration advice, and amounts and thresholds change, so open the source before you act.
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