RCDs & Consumer Units: A Simple Safety Upgrade That Protects Your Home (and Tenants)

Whether you’re a homeowner or a landlord, one of the most important (and often overlooked) parts of electrical safety is your consumer unit (also known as the fuse box) and the protection devices inside it—especially RCDs.

What is an RCD and why does it matter?

An RCD (Residual Current Device) is designed to switch off power quickly if it detects a fault, helping to reduce the risk of serious electric shock and electrical fires. In practical terms: it’s one of the best safety features you can have in a property.

Signs your consumer unit may need attention

If you’re noticing any of the below, it’s worth getting it checked by a qualified electrician:

• Frequent tripping of circuits (especially after plugging in appliances)

• Burning smells, buzzing sounds, or heat around the fuse box

• An older consumer unit with rewireable fuses (or no RCD protection)

• Recent upgrades like EV charging, electric showers, or new kitchens/extensions

• You’re unsure when the electrics were last inspected

Landlords: safety, compliance, and fewer call-outs

For rental properties, electrical issues don’t just create risk—they create tenant complaints, emergency call-outs, and potential compliance problems. A modern consumer unit with correct RCD protection can help prevent nuisance faults and improve overall safety.

Remember: landlords must have a valid EICR and complete any required remedial work within the correct timeframes. A consumer unit upgrade is a common improvement when an EICR flags outdated protection.

Homeowners: peace of mind and future-proofing

If you’re planning renovations, adding outdoor electrics, installing new appliances, or just want confidence in your home’s safety, a consumer unit check (or upgrade if needed) is a smart move—especially in older properties.

✅ Need advice or an electrical inspection? Our qualified electricians can confirm whether your consumer unit provides the right protection and whether improvements are recommended.