- Unit 104,111 Power Rd, Chiswick, London
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About Us
We provide 24/7 emergency electrical services across London, delivered by NICEIC-approved and fully certified electricians you can trust. Our team specialises in residential, commercial, and landlord electrical work,
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House Rewiring London
Safe, Modern & Fully Compliant Electrical Rewiring for London Homes
Outdated or unsafe wiring is one of the most common electrical risks in residential properties. Leon Electricians provides professional House Rewiring services in London, helping homeowners modernise their electrical systems, improve safety, and meet current UK regulations.
As a trusted London-based electrical company, Leon Electricians offers round-the-clock support for urgent electrical issues affecting homes, rental properties, and commercial premises. Our 24 hour electricians in London are fully qualified, experienced, and equipped to respond safely and efficiently at any time of day or night.
House rewiring involves replacing old or damaged electrical wiring with modern, compliant cabling designed to handle today’s electrical demands. Many London homes—especially older and period properties—still rely on wiring systems that were never designed for modern appliances, heating systems, and smart technology.
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House Rewiring London
What House Rewiring in London Covers
Our house rewiring services are comprehensive and tailored to the specific requirements of each property. We assess your existing electrical system and recommend the most suitable rewiring solution to improve safety, reliability, and performance while supporting modern electrical demands.
House rewiring typically includes full or partial electrical rewiring, replacement of outdated wiring and cabling, installation of new circuits, upgrades to sockets, switches, and lighting points, integration with modern consumer units, and complete electrical safety testing and certification. All rewiring work is carried out by qualified electricians using approved materials and industry-standard methods to ensure full compliance with UK electrical regulations.
Fast emergency response
Outstanding service with a fast emergency response. The electricians were highly professional, explained everything clearly, and completed the work safely and to regulation.
We were impressed by the clear communication from start to finish. The team arrived quickly, handled the issue efficiently, and ensured all work was safe and fully compliant.
Reliable, professional electricians who responded fast in an emergency. Excellent communication throughout and total confidence in the quality and safety of their work
House Rewiring London
When Do You Need House Rewiring?
Many homeowners are unsure when house rewiring is necessary, as electrical systems often degrade gradually and warning signs are not always obvious. Over time, outdated wiring can become unsafe and may struggle to support modern electrical demands, increasing the risk of faults and hazards.
You should consider house rewiring in London if your property is over 25–30 years old, the wiring has never been upgraded, fuse boxes or consumer units are outdated, circuits trip frequently, lights flicker or dim, or sockets feel warm or produce burning smells. Rewiring is also recommended during renovations or extensions, and when purchasing an older property, to ensure the electrical system is safe and compliant before moving in.
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House Rewiring London
Risks of Outdated Electrical Wiring
Old or damaged wiring can significantly increase the risk of electrical fires, power failures, and electric shock. Many older London homes were designed for much lower electrical loads than modern households use today, meaning existing wiring may no longer be safe or suitable for current appliances and technology.
Common risks include overloaded circuits, deteriorated insulation, loose or unsafe connections, inadequate earthing, and an increased likelihood of electrical fires. House rewiring removes these hazards by replacing outdated wiring with modern, regulation-compliant systems, improving safety, reliability, and overall electrical performance.
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FAQ & Statistics
Discover FAQ From Our Expert Support
The timeframe depends on property size and complexity, but most projects take several days.
In some cases, partial occupancy is possible, but full rewiring often requires temporary relocation.
Some disruption is unavoidable, but our electricians work carefully to minimise mess and damage.
Yes, rewiring significantly improves safety in older homes.
Yes, all rewiring work includes appropriate electrical certification.
House Rewiring London
House Rewiring for London Properties
London properties vary widely in age, layout, and construction, each presenting unique electrical challenges. Our electricians have extensive experience rewiring period and listed homes, flats and apartments, terraced and semi-detached houses, as well as new-build and renovated properties.
We tailor our approach based on the property’s structure, access limitations, and existing electrical system to ensure safe, efficient, and high-quality rewiring results with minimal disruption.
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Trusted by Customers
Arima Leonardo
Electrician
Alex Piter
Designer
House Rewiring Process
Step 01 
Initial Assessment
Step 02
Rewiring Plan
Step 03
Safe Removal of Old Wiring
Step 04
Installation of New Wiring
Step 05
Testing & Certification
