Professional fuse box replacement and consumer unit upgrades in Radyr, Cardiff. Upgrade to modern RCD protection and meet current 18th Edition regulations. Serving CF15 and all Radyr areas.
Consumer unit upgrades in Radyr are in high demand given the area's many large detached homes and executive properties in this sought-after Cardiff village. Modern consumer units provide RCD protection, circuit breakers, and surge protection that old-style fuse boxes simply cannot offer.
At Megalec Electrical Solutions, we provide professional consumer unit upgrades throughout Radyr and the surrounding CF15 postcode. Our NAPIT approved electricians install modern consumer units that meet the latest 18th Edition wiring regulations.
Whether you need a consumer unit upgrade for safety reasons, as part of a rewire, to support new circuits (like EV chargers), or to meet landlord EICR requirements in Radyr, we provide fast, professional service across the area.
Modern electrical protection for your Radyr property
Modern consumer units with RCD protection that instantly cuts power in the event of a fault, preventing electric shocks and fires.
Replace old rewirable fuses with modern MCB circuit breakers that trip instantly and can be easily reset.
SPD (surge protection devices) installed to protect your appliances and electronics from damaging voltage spikes.
Consumer unit upgrades to meet EICR requirements for landlords and ensure your Radyr property passes electrical safety inspections.
Upgrade to larger consumer units with space for additional circuits to support EV chargers, extensions, and new appliances.
Complete electrical installation certificates and Building Regulations compliance documentation upon completion.
Safe, efficient, and fully certified
We assess your existing consumer unit, electrical system, and earthing arrangements to plan the upgrade.
Detailed quote provided with a clear explanation of the work required and any additional upgrades needed.
Professional installation of your new consumer unit with RCD protection, circuit breakers, and surge protection.
Full electrical testing, certification, and handover. Your property is now protected by modern electrical safety standards.
We assess your existing consumer unit, electrical system, and earthing arrangements to plan the upgrade.
Detailed quote provided with a clear explanation of the work required and any additional upgrades needed.
Professional installation of your new consumer unit with RCD protection, circuit breakers, and surge protection.
Full electrical testing, certification, and handover. Your property is now protected by modern electrical safety standards.
Megalec's NAPIT approved electricians ensure your Radyr upgrade is completed safely, efficiently, and with full certification – giving you peace of mind and legal compliance.

Available throughout Cardiff, Newport, Swansea, Bridgend & surrounding areas
A standard consumer unit upgrade in Radyr typically costs £400–£800 depending on the size of the unit and number of circuits. We provide free quotes.
Most consumer unit upgrades take 3–5 hours. Your electricity will be off during installation, but we work efficiently to minimize disruption.
If your Radyr property has an old fuse box with rewirable fuses, lacks RCD protection, or fails an EICR inspection, you should upgrade.
Yes, consumer unit replacement is notifiable under Building Regulations Part P. As NAPIT approved electricians, we can self-certify the work.
Contact Megalec today for a free quote. Upgrade to modern electrical protection with our NAPIT approved electricians serving Radyr and all Cardiff areas.