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uk Personal safety & immediate danger someone trying my door lock • keys in my door • keycard beep at my door • door handle rattling • someone jiggling the handle • stranger trying keys • attempted break-in while home • someone testing locks • intruder at the door • unexpected entry attempt • someone outside my flat door • apartment door keycard attempt • corridor noise at my door • scared at home alone • inside when someone tries door • possible burglary in progress • lock being tampered with • keys scraping in lock sound

What to do if…
you hear someone trying keys or a keycard on your door and you are inside

Short answer

Do not open the door. Lock it (any extra bolts/latches), move away from the doorway, and call 999 if you think someone is trying to get in or you feel unsafe.

Do not do these things

  • Do not open the door “to check” or argue through the gap.
  • Do not confront them in the hallway/communal area.
  • Do not shout details like “I’m alone” or “I don’t have my phone”.
  • Do not keep peering through windows where you can be seen clearly.
  • Do not waste time searching for proof (filming, checking every window) instead of getting help.
  • Do not assume it’s “probably a mistake” if the behaviour continues or escalates.

What to do now

  1. Lock and reinforce the door immediately. Engage any deadbolt, thumbturn, chain/bar latch, or secondary lock you already have fitted. If you have an intercom/door-entry system, do not buzz anyone in.
  2. Create distance and cover. Move to a room away from the front door (ideally an interior room). Close and lock that room if possible.
  3. Bring essentials to you. Take your phone, keys, and shoes. If you have children or others with you, bring them with you and keep everyone together and quiet.
  4. Call 999 if you think they’re trying to enter or you feel in danger. Say clearly:
    • Your address and flat/unit number
    • “Someone is trying keys / a keycard on my door and I’m inside”
    • Whether you can hear more than one person, and any sounds (handle rattling, key scraping, card beeps)
  5. If you can’t safely speak, still call 999 and stay connected. Listen to the operator. If you can, respond with a cough/tap when asked questions. If you’re prompted (commonly on a mobile), press 55 to confirm it’s a genuine emergency so you can be put through to police.
  6. If you can safely check without exposing yourself, gather quick details. Use a peephole/camera display if you have one. Note clothing, direction of movement, and whether they try multiple doors. Don’t stand directly in line with the door or any glass panel.
  7. If you’re in a block with staff/security/concierge, contact them as well (only after 999 if urgent). Ask them to check the corridor without confronting anyone and to preserve any door-entry/CCTV information.
  8. Stay put until you’re confident it’s safe. If the noises stop, don’t rush to the door. Wait, stay on the line if instructed, and only open when you’re satisfied it’s safe (for example, after police/staff confirmation).

What can wait

  • Figuring out exactly who it was or why they did it.
  • Reviewing CCTV properly, door-entry logs, or doorbell footage.
  • Contacting your landlord/agent about locks or keycards.
  • Posting in building chats or social media.
  • Writing a detailed timeline (you can do that later when you’re calmer).

Important reassurance

This situation is frightening because it’s ambiguous and close. Freezing, shaking, or feeling “over-alert” is a normal body response. Your job right now is simply to stay behind a locked barrier, buy time, and get help—not to solve the mystery.

Scope note

These are first steps for the next few minutes. After the immediate risk passes, you may want follow-up help (building management, lock changes, reporting), but you do not need to decide any of that right now.

Important note

This guide is general information for immediate first steps, not professional safety or legal advice. If you believe someone is attempting to enter your home or you feel unsafe, treat it as urgent and contact emergency services.

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