5 Signs Your Fuse Board Needs Replacing (UK Homes 2026)
Your fuse board (also called a consumer unit) is the most safety-critical bit of electrical kit in your home. If it’s old, you’re not getting the protection modern wiring regulations require. Here are the five clear signs it needs upgrading — written by NICEIC accredited electricians.
1. It still has rewirable fuses (the old wire-and-screw type)
If you’ve ever replaced a “fuse” by unscrewing it and threading a thin piece of wire across two terminals, that’s a rewirable fuse. They were standard from the 1930s to the 1970s. They’re dangerous.
2. It’s a split-load board fitted between 1990 and 2010
Split-load boards have one or two RCDs covering several circuits each. They’re now a C3 observation on a modern EICR.
3. Your breakers trip frequently under normal use
Random nighttime trips? Kettle + toaster flips a breaker? That’s either a fault or undersized circuits. Get an EICR.
4. Visible damage, scorch marks, burning smell
Brown / black discolouration around any fuse holder, cracking in the plastic, or an acrid smell = call an electrician today. Live fire risk.
5. It’s plastic, in a hallway, fitted before 2016
Post-2016 consumer units must be non-combustible (metal). Older plastic boards in escape routes are now flagged C3 on an EICR.
What a modern consumer unit looks like
Metal enclosure, all-RCBO design (every circuit individually protected), Surge Protection Device, AFDD on bedroom circuits. £450-£650 fitted in a London flat.
What to do next
If any of these signs apply: get an EICR or go straight to a fuse board replacement quote. We cover Camden, Islington, Hackney, Tower Hamlets, Southwark and surrounding Inner London.
Phone: 07407 627542
WhatsApp: Send us a photo of your fuse board and we’ll tell you straight.
