If your lights flicker when the washing machine runs, it usually indicates a voltage drop or circuit load issue.
Common Reasons Lights Flicker During Appliance Use
This problem often relates to power demand and wiring.
- High load from washing machine motor
- Loose wiring connections
- Shared circuits
- Voltage fluctuations
- Undersized wiring
Safe Checks You Can Carry Out
You can check for simple causes before calling an electrician.
- Observe when flickering happens
- Avoid using multiple heavy appliances together
- Check other rooms for similar issues
- Ensure plugs are secure
For a full list of tools you can use, see our guide on best electrical tools for homeowners.
When to Call an Electrician
Some causes require inspection.
- Flickering is severe
- Other appliances are affected
- Lights dim significantly
- Issue is getting worse
Need an Electrician?
If this issue keeps happening or you’re unsure what’s causing it, a qualified electrician can safely diagnose and fix the problem. Electrical faults can worsen over time, so it’s best to get professional advice rather than risk damage or injury.
If you’re dealing with recurring faults or safety concerns, it may help to speak with a local electrician who can assess the issue properly.
UK Electrical Safety Advice
Electrical faults can be dangerous. If you are unsure, always seek advice from a qualified electrician. This guidance is for general information only and does not replace a professional inspection.
For general guidance on household electrics, see our electrical advice for UK homes.
Related electrical problems
- Lights flickering or dimming
- LED lights flickering
- Lights buzzing or humming
- Appliances trip RCD when switched on
This issue is one of several common electrical problems found in UK homes. You can view other related electrical faults on our Common Electrical Problems (UK) page.