If you’re wondering whether your home’s fuse box or consumer unit is up to date, this guide will help you understand the signs of wear, the cost of a safe upgrade, and what to expect during a fuse board replacement in London.
Many London homes still rely on older fuse boxes that don’t comply with today’s electrical safety standards. These legacy systems often lack:
Modern consumer units provide greater protection against electrical faults, reduce fire risks, and ensure compliance with current regulations like BS7671 and Part P.
A standard consumer unit replacement cost typically ranges between £500 and £900, depending on:
🛠️ All Lumiel installations include full testing, NICEIC certification, and fixed pricing.
FeatureWhy It MattersRCDsProtect against electric shockMCBsIndividual circuit protectionRCBOsCombines RCD + MCB in one deviceMetal CasingFire resistant and regulation-compliantSurge ProtectionGuards against power surges and lightning
At Lumiel, we deliver fuse board upgrades tailored to your property’s needs. Whether it’s a studio flat or a large family home, you can count on:
🕒 Duration: Usually completed in half a day.
Do I need to replace my plastic consumer unit?
Yes, if it's not fire-rated. New regs recommend metal-cased units for enhanced safety.
Is it a legal requirement to upgrade?
If your current fuse board fails a safety inspection or you’re doing major work, then yes.
Will I lose power during installation?
Only temporarily. We’ll schedule a time that works best for you.
Don’t wait until something goes wrong. Whether it’s flickering lights, an old fuse board, or a tripping consumer unit, Lumiel is here to help.
Get a free quote today from one of our certified electricians.