
Electrical Buzzing & Humming Noises
Strange buzzing, humming, or vibrating sounds from your electrics.
Fuse Box Buzzing Or Humming
Your consumer unit or fuse box is making a buzzing or humming noise that was not there before.
Dimmer Switch Buzzing
Your dimmer switch makes a buzzing or humming noise, especially when the lights are dimmed.
Electrical Buzzing Sound In Walls
You can hear a buzzing, crackling, or humming sound coming from inside a wall. This could be harmless mains hum or a sign of dangerous electrical arcing that needs urgent attention.
Light Fitting Buzzing
Your ceiling light or light fitting is making a buzzing or humming noise.
Socket Making A Buzzing Noise
A plug socket in your home is making a buzzing, crackling, or humming noise.
Electrical Humming Noise At Night
You can hear an electrical humming or droning noise at night that is not there during the day.
Mains Hum In The House
There is a persistent low-frequency hum or drone throughout your house that seems to be electrical.
Related Cost Guides

Electrical Fault Finding Cost
Electrical fault finding in the UK typically costs between £80 and £250, covering a diagnostic visit and testing to identify the source of electrical problems such as tripping circuits, power loss, or flickering lights.

Fuse Box Replacement Cost
Replacing a fuse box (consumer unit) in the UK typically costs between £350 and £800, including the unit itself, labour, and certification. Upgrading to a modern consumer unit with RCD protection is one of the most important electrical safety improvements you can make.
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