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Outdoors & outbuildings · Customer guide

Why have my garden lights stopped working?

A garden-lighting failure can involve a fitting, control, driver, supply or damaged route. Whether one light or the whole arrangement is affected helps the investigation, but it does not identify the failed part. Leave outside electrical covers and buried routes undisturbed.

Has one light failed, or the whole system?

Explain whether one fitting, a group or every garden light has stopped working. Mention whether other outdoor equipment is affected. A group can share a supply or control, so several dark lights do not automatically mean every fitting needs replacement.

Tell us whether the lights are switched manually, controlled by a sensor or operated by another system. Use only ordinary user controls described in the product instructions and accessible safely; do not open electrical enclosures to look for an internal reset.

Include recent weather and garden work

Include recent weather and garden work

Rain, cleaning, digging, pruning or replacement products may be relevant. Describe what happened before the failure without assuming it proves the cause. A light that stopped after a storm may still need the supply and control investigated.

Keep away from damaged, wet or exposed electrical parts. Do not dig around a suspected cable or reach into a fitting to dry it. A clear description and a safe photograph from ground level are enough to begin the conversation.

Find existing product and installation records

Find existing product and installation records

Garden lighting can include different types of fittings, drivers and control equipment. Manuals, invoices or a previous installation record can help identify the arrangement. A decorative fitting that looks similar may not be an interchangeable replacement.

If you have existing drawings, mark the affected lights and any accessible equipment locations. You do not need to trace buried cable yourself or disconnect a light to identify the system before enquiring.

Repair the fault or improve the layout?

Repair the fault or improve the layout?

The first objective may be restoring the existing lighting. If it also causes glare, misses useful paths or has inconvenient controls, list those improvements separately. Diagnosis and redesign are related but different scopes.

Agree what the investigation covers, how any proposed parts or route repairs will be explained and who handles landscaping or reinstatement. The findings should guide the repair rather than an assumption that a new lighting kit will solve everything.

What to share with your enquiry

  • Which lights or groups have failed
  • Type of controls if known
  • Other outdoor equipment affected
  • Recent weather, cleaning or garden work
  • Product information and safe overview photos
Discuss a garden-lighting fault

Questions answered

Should I buy replacement lights before booking?

Wait until the fault and product compatibility are understood. A supply or control fault may affect otherwise serviceable fittings.

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How can I tell whether the garden-lighting driver has failed?

A group of lights failing or a protective device tripping does not identify the driver as the cause. Supply, controls, connections and fittings can produce similar symptoms. Leave covers in place and arrange testing before ordering a replacement driver.

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Can we improve the layout during the repair?

Mention the changes you want separately so the repair and any new lighting design can be scoped clearly.

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Can a lighting sensor or timer cause all the garden lights to stay off?

Yes, a shared sensor or timer can affect several lights, but the supply, wiring or driver may also be responsible. Note which lights are out and how they are controlled. Use only safely accessible ordinary controls; leave electrical enclosures closed for investigation.

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What should I do if garden work may have damaged a lighting cable?

Stop the work and keep people away from the suspected damage. Do not dig further, handle the cable or try to make the lights work again. Arrange professional help and explain the location and work undertaken so the potential cable damage can be assessed appropriately.

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Sources and further reading

Read the original guidance relevant to this question. Building Regulations and rental-law references here relate to England.

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