Outdoor Light Not Working
An exterior light or security light has stopped working or comes on intermittently.
What Is Causing This?
- 1Water ingress into the fitting or junction box
- 2Failed PIR sensor on a security light
- 3Corroded or loose wiring connections
How Urgent Is This?
This is a cosmetic issue. It is not causing damage and can be addressed in your own time.
What Needs to Be Done
An electrician will check the fitting, sensor, and wiring for water damage or corrosion. They may replace the fitting, sensor, or fix the waterproof seal.
How Much Will It Cost?
National average estimate
Labour: £512 – £1,090 | Materials: £144 – £450
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Prices are estimates based on typical UK rates. Actual costs depend on the specific issue, accessibility, and your location. All quotes from tradespeople on Tradesfolk are completely free.
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Try Snap and FixPlanning Permission Guidance
Some fixes for this problem may require planning permission or building regulations approval. Check if your project needs permission:
How to Prevent This
Use IP65-rated outdoor fittings. Check seals around outdoor lights annually. Clean PIR sensors so they detect movement reliably.
Related Problems
Other Electrician Problems
Lights flicker, dim, or flash intermittently, sometimes across multiple rooms.
A circuit breaker in the consumer unit keeps tripping, cutting power to part or all of the house.
One or more plug sockets have no power, even though the rest of the room works fine.
A smell of burning plastic or scorching coming from a socket, sometimes with visible discolouration.