Describe the pattern
Separate the symptom from your explanation of it. “The kitchen lights flickered twice yesterday” gives an electrician information. “The kitchen needs rewiring” assumes a conclusion that has not been established.
Note whether the issue affects one fitting, one room or several parts of the property. Include when it began, whether it has happened before and any recent work you know about. Use observations already made during ordinary use, and leave missing details unknown.
Lighting problems and repeated trips
For flickering lights or bulbs that repeatedly fail, report which fittings are affected and whether the change was noticed at the same time as another event. Mention a dimmer or recently changed fitting if relevant, using information you already have.
If a protective device has repeatedly tripped, describe that history in your enquiry. For a sudden interruption, say how much of the property was affected, based on what you already know. You can report the sequence of events without identifying a cause.
The electrical repairs page explains the property and timing details useful for a fault enquiry.
Damaged equipment and electrical parts
The Health and Safety Executive, the workplace safety regulator, says visual checks can identify damaged equipment, leads or plugs. Its electrical safety questions (hse.gov.uk) explain that defective equipment should be taken out of use pending competent attention.
Describe visible damage or any unusual smell or shock already experienced. Electrical work requires appropriate competence. Don’t expose live wiring, replace circuits or repair damaged electrical parts yourself.
Make the repair request specific
Bring together the symptom, location and history in a short account. Mention previous repair records and whether the concern affects use of the premises. If you don’t know a technical detail, say so.
Some enquiries concern a particular fault, while others raise questions about the wider installation. State whether you want to discuss a repair, an installation assessment or both, without deciding the required replacement yourself.
For a London repair enquiry, use the contact form with the observations you already have.