Leon Electricians Blog

Electrical advice from a working London electrician

33 straightforward guides on costs, emergencies, EICRs, rewiring, lighting and commercial maintenance - written by the team at Leon Electricians Ltd.

London electrician working on a consumer unit with a head torch during a night callout
EmergencySafetyLondon

Emergency Electrician in London: What to Do Before Help Arrives

A calm, step-by-step guide from a working London electrician - how to spot a genuine electrical emergency, make your property safe, and get the right help fast, day or night.

14 February 20267 min read
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How Much Does an Electrician Cost in London in 2026? - Leon Electricians Ltd, London
Costs & Choosing

How Much Does an Electrician Cost in London in 2026?

A realistic guide to quotes, call-outs and the factors that shape the final price

9 February 20264 min read
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How to Choose a Qualified Electrician in London - Leon Electricians Ltd, London
Costs & Choosing

How to Choose a Qualified Electrician in London

A practical checklist for homeowners, landlords and businesses

4 February 20263 min read
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When Is an Electrical Problem an Emergency? - Leon Electricians Ltd, London
Emergency & Safety

When Is an Electrical Problem an Emergency?

How to recognise danger, reduce immediate risk and call for the right help

30 January 20263 min read
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Seven Electrical Warning Signs London Homeowners Should Not Ignore - Leon Electricians Ltd, London
Emergency & Safety

Seven Electrical Warning Signs London Homeowners Should Not Ignore

Small symptoms that can point to a developing wiring or connection problem

25 January 20264 min read
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Does an Older London Home Need Rewiring? - Leon Electricians Ltd, London
Home Wiring & Upgrades

Does an Older London Home Need Rewiring?

How condition, alterations and test results matter more than the age of the property

20 January 20263 min read
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Buying a London Property? What an Electrical Inspection Can Reveal - Leon Electricians Ltd, London
Home Wiring & Upgrades

Buying a London Property? What an Electrical Inspection Can Reveal

Why a visual viewing rarely tells the full story about fixed wiring

15 January 20263 min read
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Consumer Unit Upgrade or Full Rewire: Which Does Your Home Need? - Leon Electricians Ltd, London
Home Wiring & Upgrades

Consumer Unit Upgrade or Full Rewire: Which Does Your Home Need?

Two very different solutions that should not be confused

10 January 20263 min read
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How Many Electrical Sockets Does a Modern Home Need? - Leon Electricians Ltd, London
Home Wiring & Upgrades

How Many Electrical Sockets Does a Modern Home Need?

Planning enough outlets for daily life without creating avoidable overload and clutter

5 January 20263 min read
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Why Does My RCD Keep Tripping? - Leon Electricians Ltd, London
Faults & Troubleshooting

Why Does My RCD Keep Tripping?

Common patterns, safe checks and why repeated resetting is not a repair

31 December 20253 min read
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Why Have Some Sockets Stopped Working but the Lights Still Work? - Leon Electricians Ltd, London
Faults & Troubleshooting

Why Have Some Sockets Stopped Working but the Lights Still Work?

Understanding separate circuits, local faults and the safest next steps

26 December 20253 min read
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What Causes Flickering Lights in a House? - Leon Electricians Ltd, London
Faults & Troubleshooting

What Causes Flickering Lights in a House?

From a loose lamp to a wider circuit or supply problem

21 December 20253 min read
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Partial Power Loss in a London Property: What Should You Do? - Leon Electricians Ltd, London
Faults & Troubleshooting

Partial Power Loss in a London Property: What Should You Do?

Safe triage when one floor, room or group of circuits goes off

16 December 20253 min read
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Electrical Burning Smell but No Visible Fire: What It May Mean - Leon Electricians Ltd, London
Faults & Troubleshooting

Electrical Burning Smell but No Visible Fire: What It May Mean

Why disappearing odours and hidden heat still need urgent attention

11 December 20253 min read
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Do New Electrical Installations Need Part P Notification? - Leon Electricians Ltd, London
Regulations & Certificates

Do New Electrical Installations Need Part P Notification?

Understanding electrical safety, notifiable work and the documents homeowners should keep

6 December 20253 min read
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What Certificates Should You Receive After Electrical Work? - Leon Electricians Ltd, London
Regulations & Certificates

What Certificates Should You Receive After Electrical Work?

A plain-English guide to installation, minor works and condition-report documents

1 December 20253 min read
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How to Plan LED Lighting for a London Home - Leon Electricians Ltd, London
Lighting

How to Plan LED Lighting for a London Home

A room-by-room approach to comfort, efficiency and maintainable design

26 November 20253 min read
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Recessed Spotlights or Pendant Lights: Which Is Better for Your Home? - Leon Electricians Ltd, London
Lighting

Recessed Spotlights or Pendant Lights: Which Is Better for Your Home?

Comparing glare, flexibility, ceiling impact and room character

21 November 20253 min read
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Can Smart Lighting Be Installed in an Older Property? - Leon Electricians Ltd, London
Lighting

Can Smart Lighting Be Installed in an Older Property?

What to check before choosing smart switches, bulbs, relays or a whole-home system

16 November 20253 min read
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Outdoor and Security Lighting: What London Homeowners Should Consider - Leon Electricians Ltd, London
Lighting

Outdoor and Security Lighting: What London Homeowners Should Consider

Safe product selection, considerate positioning and controls that work

11 November 20253 min read
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What Do C1, C2, C3 and FI Mean on an EICR? - Leon Electricians Ltd, London
EICR & Inspections

What Do C1, C2, C3 and FI Mean on an EICR?

A clear explanation of electrical inspection classification codes

6 November 20253 min read
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How Often Should a London Property Have an EICR? - Leon Electricians Ltd, London
EICR & Inspections

How Often Should a London Property Have an EICR?

Different considerations for homeowners, landlords and commercial premises

1 November 20253 min read
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EICR vs PAT Testing: What Is the Difference? - Leon Electricians Ltd, London
EICR & Inspections

EICR vs PAT Testing: What Is the Difference?

Fixed electrical installations and portable equipment are not the same inspection

27 October 20253 min read
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What Happens During an Electrical Safety Inspection? - Leon Electricians Ltd, London
EICR & Inspections

What Happens During an Electrical Safety Inspection?

A step-by-step view of access, testing, limitations and the final report

22 October 20253 min read
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How to Choose a Commercial Electrician for a London Business - Leon Electricians Ltd, London
Commercial

How to Choose a Commercial Electrician for a London Business

Selecting a contractor for compliance, continuity and accountable delivery

17 October 20253 min read
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Electrical Maintenance Checklist for London Offices and Retail Premises - Leon Electricians Ltd, London
Commercial

Electrical Maintenance Checklist for London Offices and Retail Premises

A practical system for reducing faults and keeping records useful

12 October 20253 min read
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What Electrical Work Is Needed During an Office or Shop Fit-Out? - Leon Electricians Ltd, London
Commercial

What Electrical Work Is Needed During an Office or Shop Fit-Out?

Planning power, lighting, system interfaces and handover before construction begins

7 October 20253 min read
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Emergency Lighting Testing: What Business Owners Need to Know - Leon Electricians Ltd, London
Commercial

Emergency Lighting Testing: What Business Owners Need to Know

From routine checks to records and prompt repair of defects

2 October 20253 min read
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Planned Electrical Maintenance vs Reactive Repairs - Leon Electricians Ltd, London
Commercial

Planned Electrical Maintenance vs Reactive Repairs

Why most London businesses need both, but should not depend on emergencies

27 September 20253 min read
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Common Electrical Problems in West London's Victorian and Edwardian Homes - Leon Electricians Ltd, London
West London Properties

Common Electrical Problems in West London's Victorian and Edwardian Homes

Why property age alone does not tell the full story

22 September 20253 min read
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Electrical Upgrades to Consider When Renovating a West London Property - Leon Electricians Ltd, London
West London Properties

Electrical Upgrades to Consider When Renovating a West London Property

Plan capacity, controls and future needs before walls and floors are finished

17 September 20253 min read
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Electrical Considerations for Landlords Managing West London Flats - Leon Electricians Ltd, London
West London Properties

Electrical Considerations for Landlords Managing West London Flats

Records, access and clear responsibility across tenancies and shared buildings

12 September 20253 min read
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Electrical Challenges Commonly Found in London Period Conversions - Leon Electricians Ltd, London
West London Properties

Electrical Challenges Commonly Found in London Period Conversions

Understanding private, landlord and communal systems in one altered building

7 September 20253 min read
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