£2,050 – £3,750 to upgrade an electrical panel
What most homeowners spend; the full range runs £1,250–£8,300 by scope. That’s about 8% below the UK national average for Cardiff.
Get a free quote from local pros →Cost swings widely with what you're actually doing — a cosmetic refresh and a full replacement are different projects. Here's the range at each scope.
In Cardiff, Wales, most homeowners spend £2,050–£3,750 to upgrade an electrical panel — the full range runs £1,250–£8,300 depending on scope. Cardiff tends to run below the UK national average (about 8% lower), thanks largely to lower local labor costs. All figures are in pounds sterling (GBP) and typically include VAT awareness — check whether a quote includes VAT.
Source: ZeroFi estimate · national industry cost ranges, updated 2026-07 · adjusted to Cardiff by ZeroFi's local cost index (×0.83). Planning ranges, not quotes — describe your job for a real estimate.
In the UK this is a consumer-unit (fuse board) replacement — a modern board with RCD/MCB protection at 230V, to BS 7671 wiring regs. The regional product — not just labor rates — is why prices differ, so the ranges above reflect Cardiff's typical setup.
Read the full electrical panel upgrade guide →
In Cardiff, Wales, expect £2,050–£3,750 to upgrade an electrical panel — about 8% below the UK national average. Your exact price depends on the scope of the upgrade (new board or added capacity) and whether the incoming supply or meter also needs work. Describe your job to get a real quote from local pros.
Cardiff tends to run below the UK national average (about 8% lower), thanks largely to lower local labor costs.
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