--- title: "Consumer unit replacement in Christchurch | 4.9 Star · NAPIT" description: "Fuse board replacement in Christchurch, Burton, BH23. MX2 Electrical gives each circuit a breaker and residual current device, then completes the record." canonical: "https://mx2-electrical-ltd.co.uk/electrician-christchurch/fuse-board-replacement" --- # Consumer unit replacement in Christchurch > Fuse board replacement in Christchurch, Burton, BH23. MX2 Electrical gives each circuit a breaker and residual current device, then completes the record. Christchurch businesses use MX2 Electrical for fuse board replacement so each circuit is protected by a miniature circuit breaker and residual current device matched to it, with the completion record to follow. ## Fuse board replacement costs The cost of replacing a consumer unit depends on the size of the installation and the condition of existing wiring. We provide transparent pricing based on the specific requirements of your property. - Consumer unit replacement: from £500 - The price covers safe supply isolation, removal of the old box, fitting the new metal unit and full circuit testing. - The number of active circuits and the requirement for surge protection devices will adjust the final quotation. - Upgrading inadequate meter tails, main earth cables or bonding conductors will alter the overall project cost. ## Consumer unit replacement across Christchurch We serve Christchurch from our base in Poole. - Christchurch town centre - Mudeford - Burton - BH23 ## What happens on the day Replacing a consumer unit requires safe power isolation, neat circuit termination and comprehensive testing before the system is re-energised. We follow an orderly routine so you understand every stage of the work. ### Supply isolation and board removal We isolate the power at the main electricity meter, verify that incoming cables are dead, and mark each circuit line. The old fuse carrier box is disconnected and removed cleanly from the mounting position. ### Mounting and connecting the new enclosure A non-combustible metal consumer unit is secured in place. Incoming meter tails and earthing conductors are terminated, followed by connection of each circuit onto correctly rated miniature circuit breakers and residual current devices. ### Testing and circuit identification Every circuit undergoes testing for insulation resistance, earth continuity and trip speeds before power is turned back on. We attach clear printed markers to the board cover so every switch indicates the exact area it supplies. ## Frequently asked questions about fuse boards ### How long does a fuse board replacement take? A typical domestic consumer unit replacement takes several hours to complete. Power is safely switched off while the old unit is taken down and the new metal enclosure is mounted. We reconnect and test each circuit individually before re-energising the system. ### Will my power be turned off during the upgrade? Yes, the main electrical supply must be isolated at the electricity meter while we disconnect the old fuse box and install the new unit. Once the new board and breakers are securely terminated, power is restored progressively as tests are completed. ### Why should an old fuse box be replaced? Old fuse boxes with rewireable fuse wire or early cartridge fuses do not offer modern residual current protection. Upgrading to a modern consumer unit protects against electric shocks, handles new electrical appliances safely and complies with current wiring standards. ### Do I receive paperwork after the board is installed? Yes. Consumer unit replacement is notifiable electrical work. Because MX2 Electrical is registered with NAPIT, we issue an Electrical Installation Certificate and submit the notification to building control, leaving you with full official records. ### Can you install extra circuits on the new consumer unit? Yes. When specifying a new board, we select an enclosure with adequate spare ways. This allows future electrical additions such as vehicle charging points, heat pumps, garden power or kitchen appliances to be connected without replacing the board again. ## Other services in Christchurch - [Electrician in Christchurch](https://mx2-electrical-ltd.co.uk/electrician-christchurch): Electrical repairs, inspections and planned installations for homes, landlords and suitable business premises across Christchurch and BH23. - [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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