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Electrical Fault Finding, Diagnostics & Rectification Across London

NICEIC Approved , Rapid Response & Covering All London Postcodes

Fast, Accurate Fault Diagnosis — Fixed Right the First Time

Accreditations Accreditations

RCD Tripping Fault Finding in Dagenham Heathway | Washing Machine Neutral‑Earth Fault

Full diagnostic process including burnt socket inspection, ring continuity testing, and IR testing.

Specialist RCD Tripping & Power Fault Diagnosis for Homes & Businesses:

We specialise in identifying and resolving:

RCD tripping

Partial or complete power loss

Electric shock risks

Damaged, loose, or unsafe wiring

Faulty or overloaded circuits

Nuisance tripping

CALL NOW

Clear pricing. No hidden fees. No surprises.

£90 fixed fee

Includes up to 2 hours of advanced diagnostic time.

Most domestic faults are identified within this period.

If additional time is required:

  • £35 per extra hour
  • Parking charges (if applicable)
  • Materials (if required)
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What Our Clients Say:

4.9
62 Reviews
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Jan Du
Jan Du
5.0
16/10/2026
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DG Family
DG Family
5.0
06/10/2026
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Narojan Amirthalingam
Narojan Amirthalingam
5.0
29/09/2026
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Foisal
Foisal
5.0
24/09/2026
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fariba mavaddat
fariba mavaddat
5.0
20/09/2026
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Graham Storey
Graham Storey
5.0
09/09/2026
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Amy
Amy
5.0
08/09/2026
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Ionut Bilibou
Ionut Bilibou
5.0
08/09/2026
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Chaitanya Joshi
Chaitanya Joshi
5.0
07/09/2026
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Nate n
Nate n
5.0
28/08/2026
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iirth events
iirth events
5.0
27/07/2026
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Lily Liu
Lily Liu
5.0
25/07/2026
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Jim Males
Jim Males
5.0
14/07/2026
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Lavarinthan Joseph Justeen
Lavarinthan Joseph Justeen
5.0
07/07/2026
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kam teo
kam teo
5.0
07/07/2026

 Why Choose Our Electrical Diagnostic Service?

Specialist Fault Finding Backed by Over a Decade of Experience

  • 10+ years of advanced diagnostic experience

  • Fully qualified & NICEIC Approved Contractor

  • Fast, accurate, and safe fault identification

  • Advanced testing and fault‑location techniques

  • Clear explanations and practical solutions

  • Professional, compliant, and reliable service

Our diagnostic methods are built on a deep understanding of electrical and electronic behavior, ensuring precise results every time.

High Ze reading recorded with a multifunction tester during an electrical fault‑finding visit in Gants Hill.

Fast, Accurate & Non‑Invasive Fault Finding

Electrical faults can be complex and hidden behind walls, floors, or consumer units. Our diagnostic approach is engineered to identify the root cause without unnecessary damage or guesswork.

We analyse every test reading against expected values, allowing us to pinpoint faults with exceptional accuracy. This reduces repair time, avoids unnecessary costs, and ensures your electrical system is safe and compliant.

📍Areas We Cover

Electrical and fire safety compliance across all 30 London boroughs.

  • Barking & Dagenham
  • Barnet
  • Bexley
  • Brent
  • Bromley
  • Camden
  • Croydon
  • Ealing
  • Greenwich
  • Hackney
  • Hammersmith & Fulham
  • Haringey
  • Harrow
  • Havering
  • Hillingdon
  • Hounslow
  • Islington
  • Kensington & Chelsea
  • Kingston upon Thames
  • Lambeth
  • Lewisham
  • Merton
  • Newham
  • Redbridge
  • Richmond upon Thames
  • Southwark
  • Sutton
  • Tower Hamlets
  • Waltham Forest
  • Westminster

We also cover nearby areas outside London — contact us to confirm.

FAQs Fault Diagnostic and Rectification

How soon can an electrician attend?

Call us anytime. Our technical team works hard to book you in as soon as possible, often same day depending on availability.

We cover all London postcodes, including East, West, North, South and Central London. For more information, visit ourHome Page.

Yes — we offer after‑hours and weekend call‑outs for fault finding. Our admin team does not work after hours, so the best way to reach us is by using the WhatsApp button on the  screen

Yes — we provide full commercial electrical fault‑finding, including shops, restaurants, warehouses, hotels, and offices. Learn more on our Commercial Electrical Services Page.

If the issue is large or requires parts, we will:

  • Provide a full quotation

  • Give availability for repair

  • Ensure the property is left safe

  • Isolate the faulty part of the installation if needed

No — we also diagnose fire alarm panel faults, AOV issues, and other electronics‑based systems. More details are available on our Fire Alarm Services Page.

 

No — we do not repair appliances. We only diagnose electrical faults. If your appliance is faulty, opening or tampering with it may void the manufacturer’s warranty, so we avoid appliance repairs. Our job is to confirm whether the fault is in the wiring or the appliance, not to repair the appliance itself.

An RCD monitors the electrical current flowing in and out of a circuit.

If there is a difference greater than 30mA, it means electricity is leaking somewhere — potentially through a person or a fault — so the RCD trips to prevent electric shock.

We do not recommend touching any live components.

However, you can safely try this:

  1. Unplug all appliances (not just switch them off).

  2. Reset the RCD.

  3. Plug appliances back in one by one.

  4. If one appliance is faulty, the RCD will trip immediately when it’s plugged in.

If the RCD still trips with everything unplugged, call a qualified electrician.

We do not take upfront payment for diagnostic work. Once the job is completed, we send an invoice, and customers can pay via bank transfer. We currently do not accept card payments.

Yes — we can provide a written summary of the fault, the cause, and the corrective action taken. This is useful for landlords, commercial clients, and insurance purposes.

Written by: Shashi Pal

Position: NICEIC Approved QS

Qualification: JIB Gold Card

Last updated: 06 June 2026

Regulation Reference: BS 7671:2018 + A4:2026 (IET Wiring Regulations)

Safety Disclaimer:

Electrical work and fire safety systems must only be inspected, tested, or installed by qualified and competent persons. The information on this page is provided for general guidance and should not be used as a substitute for a professional assessment. For accurate advice specific to your property, please consult a certified electrician or book a formal inspection.