Why Boards Get Replaced

Older boards were built to the standards of their day: rewireable fuses, no RCD protection, plastic enclosures. None of that makes a board an automatic failure on an EICR; what it usually means is a cluster of observations that a single modern board resolves in one visit: 30 mA protection for the circuits that need it, a non-combustible enclosure, and a protective device sized to each circuit rather than a one-size fuse wire.

A replacement is certificated in full with an Electrical Installation Certificate, because every circuit in the property now depends on the new board's protection, and each circuit is tested before it goes back into service. The work is notifiable in England, which our Part P registration handles for you.

One honest caveat: putting a modern board on old circuits sometimes reveals faults the old board tolerated silently. That is the board doing its job, and if it happens, we find and fix the cause rather than papering over it.

How the Job Runs

  1. Survey and quote

    We look at the existing board, the earthing and bonding, and the circuits it feeds, then quote the whole job, certificate included, before anything is booked.

  2. The swap

    Power to the property is off for a good part of the day while the board is changed and every circuit is reconnected. Plan for it, and tell us about freezers, alarms or anything that minds losing supply.

  3. Testing, circuit by circuit

    Each circuit is tested before it is re-energised from the new board: continuity, insulation resistance, polarity, loop impedance and RCD operation, recorded on the schedules.

  4. Certification and notification

    You get the Electrical Installation Certificate with its schedules, and the Building Regulations compliance certificate follows through our Part P registration; see installation certificates for exactly what arrives and when.

Still running an old fuse board?

We will tell you honestly whether it needs replacing now, and what a modern consumer unit would cost, before you commit to anything.

Ask about your board

Send us a photo of your current board and we will tell you honestly whether it needs replacing, and what it would cost if it does.

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