Replacement costs for a consumer unit in the UK typically range from £300 to £800, depending on complexity and materials used. Consumer unit replacement is notifiable electrical work and must be carried out by a Part P-registered electrician The number of circuits in your home directly affects the size and price of the consumer unit Replacing a consumer unit (sometimes called a fuse board) is one of the most important. Older distribution boards and fuse boxes feature far fewer pathways so if you're running out, there's a good chance your whole set up is out of date and will need to be replaced, both for safety and capacity. WILL MY PROPERTY INCUR MUCH DAMAGE DURING THE UPGRADE? If your board or box is next to. Read on to find out what a distribution board is, its different types, why you need to upgrade it and how often, and the costs associated with upgrading an old distribution board with a new one: WHAT IS A DISTRIBUTION BOARD? A distribution board, also called a distribution panel, breaker panel, or. If you are looking at how much it costs to replace a consumer unit in the UK in 2026, you are usually dealing with an ageing fuse board, a failed inspection, or a home upgrade. Many homeowners now face quotes between £600 and £1,200 for a straightforward upgrade, only to find costs rising once. The average consumer unit replacement cost is £525. Usually involves replacing an older fuse box with a modern consumer unit. How long the job will take and what's involved. Understanding these elements can help in making informed decisions about upgrading electrical.