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uk Home & property emergencies roof leak during heavy rain • roof leaking worsening • water coming through ceiling • ceiling leak during storm • leaking roof emergency • rainwater leak indoors • storm damage inside house • bucket under ceiling leak • protect electrics from leak • water near light fitting • wet ceiling collapse risk • ceiling bulging from water • attic loft leak during rain • landlord roof leak emergency • emergency repairs roof leak • temporary leak containment • leaking roof at night • damp patch spreading fast • who to call for roof leak • stop water damage fast

What to do if…
you discover a roof leak during heavy rain and it is worsening

Short answer

Make it safe first: keep people away from the leak and switch off electricity to the affected area (or the whole supply if unsure, only if it’s safe to do so), then contain the water and contact your landlord/insurer and a roofer for urgent “make-safe” help.

Do not do these things

  • Don’t climb onto the roof in heavy rain, darkness, or high winds.
  • Don’t touch light fittings, sockets, extension leads, or appliances that might be wet (or while standing on a wet floor).
  • Don’t operate the consumer unit if it’s wet, you can see water inside it, or you would have to stand in water to reach it.
  • Don’t stay in the room if the ceiling is bulging, sagging, cracking, or dropping plaster (collapse risk).
  • Don’t start pulling ceilings/walls apart during the storm or throw things away before you’ve taken a few photos.

What to do now

  1. Move people and pets out of the affected room. If the ceiling is sagging/bulging or plaster is falling, close the door and keep everyone out.
  2. Isolate electricity safely (only if you can do it without risk).
    • If water is near a ceiling light, smoke alarm, sockets, or you can’t tell what’s wet: switch off the affected circuit at the consumer unit. If you’re unsure which circuit it is, use the main switch.
    • Do not touch the consumer unit/meter area if it’s wet, if you can see water inside it, or if you’d need to stand in water. In that case, keep people away and get professional help.
    • If you see sparking, smell burning, or there’s any fire: call 999.
  3. Contain the water (without taking risks).
    • Put a bucket/bowl under the main drip point and line the area with towels.
    • If the drip is spreading, use a plastic sheet/tarp to “funnel” drips into the bucket.
    • Move electronics, paperwork, rugs, and soft furnishings out of the splash zone.
  4. Reduce further spread.
    • If water is running down a wall, move furniture away and keep anything plugged in well clear.
    • Put a plastic sheet/bin liners over nearby furniture and protect floors where you can.
  5. Contact the right help while it’s still happening.
    • If you rent: report it to your landlord/letting agent immediately using their emergency repairs route. If you’re in a flat and suspect it’s coming from above/next door, notify them too.
    • If you own: contact your home insurer (especially if you have an emergency/home assistance line) and/or an emergency roofer for temporary “make-safe” measures.
  6. Document quickly (30–60 seconds). Take photos/video of the active leak, any ceiling bulge/sag, and any damaged items/floors (your phone will capture time/date).
  7. Keep it in “make-safe” mode until the storm eases.
    • Stay out of unsafe rooms, keep affected electrics off, and wait for qualified help rather than investigating in the loft or attempting exterior fixes in dangerous weather.

What can wait

  • You do not need to diagnose the exact roof fault tonight.
  • You do not need to start drying/dehumidifying until the leak is contained and electrics are confirmed safe.
  • You do not need to decide about quotes, contractors, or long-term repairs right now.
  • You can postpone most clean-up until water ingress has stopped and the area is safe to enter.

Important reassurance

This is a common, fixable emergency in bad weather. Your job in the first hour is not to “fix the roof” in the rain — it’s to prevent electric shock, avoid a ceiling collapse, limit water spread, and get the right people involved.

Scope note

These are first steps only for the first safe pause during ongoing heavy rain. Next steps (once weather improves) usually include professional inspection/repair and safe drying-out, but those decisions can wait until the immediate hazards are under control.

Important note

This guide is general information, not professional advice. If there’s any sign of electrical danger (sparking, burning smell, water through lights/sockets) or structural danger (bulging/sagging ceiling), prioritise safety and get professional help.

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