Complete electrical installation services for homes and businesses across South Wales. New circuits, sockets, lighting, and appliance installations. Serving Cardiff, Newport, Swansea and all surrounding areas.
Electrical installations cover all new electrical work in your property – from adding new sockets and lighting circuits to installing appliances, outdoor power, and complete electrical systems for extensions and new builds. Every installation must meet the latest 18th Edition wiring regulations and be properly tested and certified.
At Megalec Electrical Solutions, we provide professional electrical installation services across South Wales. Our NAPIT approved electricians handle everything from simple socket additions to complex multi-circuit installations for home renovations, extensions, and commercial fit-outs.
Whether you need new circuits for a kitchen renovation, outdoor power for a garden office, EV charger installation, or complete electrical systems for new builds and extensions across Cardiff, Newport, Swansea, Bridgend and surrounding areas, we deliver safe, certified, and reliable electrical installations.
Complete electrical solutions for every need
Additional sockets, USB outlets, switches, and dedicated circuits for appliances installed throughout your property.
New lighting circuits, downlights, outdoor lighting, and smart lighting systems professionally wired and installed.
Complete electrical installations for kitchen and bathroom renovations including appliances, extractor fans, and IP-rated lighting.
Full electrical installations for home extensions, loft conversions, garden rooms, and new build properties.
Dedicated circuits and consumer unit upgrades to support electric vehicle charger installations.
Full electrical testing and certification for all installations with Building Regulations compliance documentation.
Professional, safe, and fully certified
We discuss your requirements, assess the property, and recommend the best electrical solutions for your needs.
Detailed installation plan and transparent quote covering all materials, labour, and certification.
Professional installation by our NAPIT approved electricians with clean cable routing and minimal disruption.
Full electrical testing, certification, and demonstration. Your installation is safe, compliant, and ready to use.
We discuss your requirements, assess the property, and recommend the best electrical solutions for your needs.
Detailed installation plan and transparent quote covering all materials, labour, and certification.
Professional installation by our NAPIT approved electricians with clean cable routing and minimal disruption.
Full electrical testing, certification, and demonstration. Your installation is safe, compliant, and ready to use.
Electrical installations must be completed to the highest standards to ensure safety and compliance. Megalec's NAPIT approved electricians bring over 10 years of experience, ensuring every installation is safe, reliable, and fully certified.

Available throughout Cardiff, Newport, Swansea, Bridgend & surrounding areas
Costs vary depending on the scope. A single socket addition costs £80–£150. New lighting circuits cost £300–£600. Complete electrical installations for extensions or renovations are quoted based on requirements. We provide free quotes.
Most new electrical installations are notifiable under Building Regulations Part P. As NAPIT approved electricians, we can self-certify our work and provide all necessary compliance documentation.
Yes, we provide complete electrical installations for home extensions, loft conversions, and garden rooms including lighting, sockets, heating controls, and consumer unit upgrades if needed.
Absolutely. We install outdoor sockets, garden lighting, shed power supplies, hot tub circuits, and EV charger circuits using weatherproof IP-rated equipment and proper earthing.
Yes, we regularly work alongside builders, architects, and interior designers on renovation and new build projects. We can coordinate with other trades to ensure smooth project delivery.
Simple installations like adding sockets take a few hours. Complete electrical installations for extensions or renovations typically take 1–5 days depending on scope. We provide timelines with quotes.
Contact Megalec today for a free quote. Professional electrical installations with full certification.