Surge Protection
London & Surrey
Whole-home surge protection devices fitted at the consumer unit across London & Surrey. Required under the 18th Edition wiring regulations.
Surge Protection in London & Surrey
Surge Protection Devices (SPDs) protect your home's electrical installation and connected appliances from voltage spikes caused by lightning strikes, switching operations and other transient overvoltages. Under the 18th Edition wiring regulations (BS 7671:2018), SPDs are now required in most new installations and are strongly recommended for all existing installations. TW Electrical installs Type 1, Type 2 and Type 3 SPDs across London and Surrey. We fit SPDs at the consumer unit to provide whole-home protection, safeguarding your expensive electronics, smart home systems, appliances and electrical installation from potentially damaging voltage surges.
Whole-Home Protection
SPD fitted at the consumer unit protects your entire electrical installation.
Protects Electronics
Safeguards TVs, computers, smart home systems and all connected appliances.
18th Edition Compliant
Required under BS 7671:2018 for most new installations.
Quick Installation
Most SPD installations completed in under 2 hours with minimal disruption.
London & Surrey
Covering TW, W, KT, GU postcodes. Competitive pricing.
Installation Certificate
Minor works certificate provided for all SPD installations.
Surge Protection
London & Surrey
Protect What Matters.
Voltage surges can destroy expensive electronics and damage your electrical installation in an instant. We've installed surge protection devices in hundreds of homes and businesses across London and Surrey. Our engineers select the correct SPD type for your installation and fit it neatly at the consumer unit. The installation is quick, clean and comes with a minor works certificate. It's one of the most cost-effective ways to protect your home.
What Our Clients Say
“SPD installed at our consumer unit. Quick, tidy job and the engineer explained exactly what it does and why it's important. Great service.”
David K.
Ealing · Surge Protection
“Surge protection fitted as part of our consumer unit upgrade. TW Electrical recommended it and I'm glad they did. Peace of mind for our smart home system.”
Lisa H.
Chiswick · Surge Protection
“SPD installed quickly and professionally. The engineer was knowledgeable and explained the 18th Edition requirements clearly. Highly recommend.”
Rachel P.
Richmond · Surge Protection
“Surge protection for our Surrey home office. Quick installation, certificate provided. Great value for the protection it gives.”
Steve N.
Guildford · Surge Protection
Common Questions
Request a Quote
Tell us what you need and we'll get back to you with a competitive quote. Most Surge Protection jobs can be booked within 24–48 hours across London & Surrey.