Professional fuse box replacement and consumer unit upgrades in Lisvane, Cardiff. Upgrade to modern RCD protection and meet current 18th Edition regulations. Serving CF14 and all Lisvane areas.
Consumer unit upgrades in Lisvane are essential for the many period and executive properties in this prestigious north 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 Lisvane and the surrounding CF14 postcode. Our NAPIT approved electricians install modern consumer units that meet the latest 18th Edition wiring regulations, providing enhanced protection against electric shocks, electrical fires, and power surges.
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 Lisvane, we provide fast, professional service across the area.
Modern electrical protection for your Lisvane 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 without replacing fuses.
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 Lisvane 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.
Consumer unit upgrades require electrical expertise and must comply with Building Regulations Part P. Megalec's NAPIT approved electricians ensure your Lisvane upgrade is completed safely, efficiently, and with full certification.

Available throughout Cardiff, Newport, Swansea, Bridgend & surrounding areas
A standard consumer unit upgrade in Lisvane typically costs £400–£800 depending on the size of the unit, number of circuits, and any additional work required. 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 Lisvane 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 Lisvane and all Cardiff areas.