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Fuse board and consumer unit upgrades

An old fuse board is one of the most common things an EICR picks up, and one of the more straightforward things to put right. A new consumer unit gives every circuit a modern safety switch that cuts the power in a split second if something goes wrong, has room for all the circuits your house needs, and meets current wiring regulations.

A new consumer unit with the cover off, showing a row of RCBOs, the main switch, a surge protection device and neatly dressed wiring.

When a board needs replacing

Old rewireable fuses, the kind mended with fuse wire, instead of trip switches. No RCD, the safety switch that cuts the power if electricity leaks somewhere it shouldn't. An EICR that's failed because of the board. Or a board that's full and can't take another circuit for an extension or a new shower. Any one of those is a reason to look at a new consumer unit.

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Rated 5.0 on Google(opens in a new tab)

NAPIT registered · Fully insured · Work guaranteed

Recent work

  • A new RCBO consumer unit with its lid open and every circuit labelled beneath the breakers, including the hob, cooker, sockets, lights, boiler and alarm.

    Consumer unit with every circuit labelled

  • An RCBO consumer unit seen from an angle with the cover off, its surge protection device fitted and the wiring dressed neatly into the board.

    RCBOs and SPD with the wiring neatly dressed

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What's involved

We turn the power off at the supply, take the old board out and fit the new one with its own safety switch (an RCBO) for each circuit. Every circuit is labelled and tested before the power goes back on. Because each circuit has its own protection, a fault on one no longer knocks the power off everywhere else. Most homes are without power for part of a day.

“The fuse box blew, I had no power at all, rang George in the morning and he came round in an hour and managed to get the sockets and living room live, then he came round the next morning and in limited space fitted a new fuse box set-up. It is a top job, well tidy and no mess. Very professional and personable at the same time. Highly recommended!”
CalamityBro · Google review · July 2024

Certified and signed off

A new consumer unit has to be reported to building control. We're NAPIT registered, so we do that ourselves and you get the electrical installation certificate at the end, with no separate inspection to arrange.

Fuseboard upgrades: common questions

How much does a consumer unit upgrade cost?

It depends on how many circuits the house has and what we find once the old board is opened up. A quick look at the board, or a photo of it on WhatsApp, gives an accurate, no-obligation quote.

Do I need building control for a new consumer unit?

It has to be reported to building control, but we do that ourselves as NAPIT registered electricians, so there's no separate inspection to arrange.

Do I need a new consumer unit, or can mine be repaired?

A board with old rewireable fuses or no RCD safety switch needs replacing rather than repairing, because neither can be made safe with a patch. A board that's just full needs either a bigger one or a second board fitted alongside it.

What do the codes on my EICR mean?

C1 means danger present, C2 means potentially dangerous, C3 means improvement recommended and FI means something needs investigating. Any C1, C2 or FI means the report has failed until it's put right; C3s on their own don't. Our EICR codes guide explains each one in plain English.

My EICR says my consumer unit is a C2. What does that mean?

C2 means potentially dangerous: not an immediate danger, but something that could become one. The report counts as failed until it's put right. When the C2 is the board itself, a new consumer unit is normally the fix, and once it's in and tested the report can be signed off as satisfactory.

Get a free, no‑obligation quote

Working across Staffordshire and the North West, including Runcorn, Widnes, Warrington and Cannock.

  1. Send a photo on WhatsApp

    A picture of the job and a line about it is plenty to start with.

  2. George replies

    WhatsApp and the form both go straight to his phone, so there's no office in between.

  3. Site visit if needed

    If the job needs seeing in person first, George will arrange a time to come out and take a look.

  4. Get a free quote

    No obligation to go ahead.

Or email george@gilfoyleelectrical.co.uk