--- title: "Consumer unit replacement in Broadstone | 4.9 Star · NAPIT · TrustMark" description: "Fuse board replacement in Broadstone for BH18 homes. MX2 Electrical tests every circuit and leaves the certificate with you at Dunyeats Road." canonical: "https://mx2-electrical-ltd.co.uk/electrician-broadstone/fuse-board-replacement" --- # Consumer unit replacement in Broadstone > Fuse board replacement in Broadstone for BH18 homes. MX2 Electrical tests every circuit and leaves the certificate with you at Dunyeats Road. Fuse board replacement in Broadstone is carried out by MX2 Electrical. The homeowner keeps the certificate once every circuit on the new consumer unit has been tested. ## Fuse board replacement costs Replacement costs depend on the number of circuits being connected, the type of consumer unit required, and the condition of the incoming meter tails and bonding. - Consumer unit replacement: from £500 - The quotation covers supply of the metal consumer unit, circuit breakers, residual current devices, and complete testing. - Cost varies based on whether the installation is single-phase domestic or three-phase commercial. - The total number of usable ways and circuits terminating at the board adjusts the final installation cost. - Required upgrades to incoming meter tails or earthing conductors are quoted before fitting proceeds. ## Consumer unit replacement across Broadstone We serve Broadstone from our base in Poole. - Broadstone centre - Lower Blandford Road - Dunyeats Road - BH18 ## What happens on the day A consumer unit installation involves careful testing before isolation, skilled mechanical mounting, and full circuit verification before power is restored. ### Incoming supply isolation We check the main protective bonding to water and gas pipes, test the incoming meter tails, and isolate the mains supply safely so all work takes place on disconnected conductors. ### Enclosure mounting and circuit connection The old fuse board is disconnected and removed. We secure the new metal consumer unit, connect the incoming tails, and terminate each lighting, power, and appliance circuit onto its dedicated breaker. ### Circuit testing and marking Each circuit is tested for insulation resistance and earth continuity. We test residual current trip times, mark every switch on the lid with the rooms it feeds, and switch the power back on. ## Frequently asked questions about fuse board replacement ### How long will the electricity be turned off during the installation? For most domestic consumer unit installations, the electricity is isolated for a few hours while the old board is removed and the new enclosure is connected. Power is restored as soon as circuits are connected, tested, and confirmed safe. ### Why should I replace an old rewirable fuse board? Old rewirable fuse boxes use fuse wire that takes longer to blow during an overcurrent event and provide no residual current protection against electric shocks. Modern consumer units use miniature circuit breakers and residual current devices that trip in milliseconds. ### Will the new consumer unit fit in my existing meter cupboard? Modern fire-rated metal consumer units have different dimensions from older fuse boxes. In most Broadstone homes, the new enclosure fits inside the existing cupboard, but we evaluate the space beforehand to ensure adequate clearance. ### Do you test the existing house wiring when fitting a new board? Yes. We carry out dead and live tests on every connected circuit, checking insulation resistance and earthing. This ensures the existing wiring is safe to run through modern, sensitive protective devices. ### Is a fuse board upgrade notifiable under building regulations? Yes. Replacing a consumer unit is notifiable domestic electrical work. MX2 Electrical is NAPIT registered, which means we notify the work and provide you with the Electrical Installation Certificate. ## Other services in Broadstone - [Electrician in Broadstone](https://mx2-electrical-ltd.co.uk/electrician-broadstone): Electrical testing, fault finding, repairs, consumer units, lighting and planned installations across Broadstone and BH18. - [Consumer unit replacement (all areas)](https://mx2-electrical-ltd.co.uk/services/fuse-board-replacement): MX2 Electrical replaces fuse boards and consumer units around Poole and Bournemouth. 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