--- title: "Consumer unit replacement in Westbourne | 4.9 Star · NAPIT · TrustMark" description: "Fuse board replacement in Westbourne, Alum Chine, BH4. MX2 Electrical dead tests and live tests the new unit. Electricians hold NVQ Level 3 and Gold Card." canonical: "https://mx2-electrical-ltd.co.uk/electrician-westbourne/fuse-board-replacement" --- # Consumer unit replacement in Westbourne > Fuse board replacement in Westbourne, Alum Chine, BH4. MX2 Electrical dead tests and live tests the new unit. Electricians hold NVQ Level 3 and Gold Card. MX2 Electrical carries out fuse board replacement in Westbourne with Gold Card electricians who hold NVQ Level 3, and leaves the record once both the dead test and the live test are complete. ## Fuse board replacement pricing We provide clear written quotes before commencing any work. The cost depends on the size of the installation and the condition of the existing wiring. - Consumer unit replacement: from £500 - The price covers the replacement metal consumer unit, miniature circuit breakers, residual current devices, installation, and formal certification. - The overall cost varies depending on the number of usable ways required, three-phase supply arrangements, and the board configuration. - Upgrading undersized meter tails or renewing missing main bonding conductors to gas and water pipework will adjust the total quote. ## Consumer unit replacement across Westbourne We serve Westbourne from our base in Poole. - Westbourne centre - Alum Chine - West Cliff - BH4 ## What happens on the day Replacing a consumer unit requires planning and care so disruption is kept to a minimum. We follow a clear installation sequence from main isolation through to live testing and system handover. ### Supply isolation and pre-work checks Before disconnecting the existing fuse box, we isolate the incoming electrical supply at the meter cutout and verify that the conductors are dead. We document the existing circuit distribution, record cable sizes, and check the condition of the main earth conductor and protective bonding. ### Enclosure fitting and circuit termination We remove the legacy board and mount a modern fire-resistant metal consumer unit in the existing location. Each outgoing lighting, socket, and appliance circuit is trimmed, identified, and terminated onto its respective protective device, with neutral and earth conductors organised on dedicated bars. ### Circuit testing and power restoration With the installation completed, we conduct dead testing for continuity and insulation resistance, followed by live tests to confirm residual current devices trip within mandatory time limits. Once each circuit tests clear, power is restored and the board cover is clearly marked. ## Frequently asked questions about fuse board replacement ### How long will the electricity be turned off during the replacement? For most domestic properties, the power remains off for several hours while the old fuse box is removed and the new metal unit is mounted and wired. We reconnect and test the system methodically so power is restored as soon as safety testing is complete. ### Do I have to change my fuse box if it still works? Older boards with rewirable fuse wire or wooden backs lack residual current devices that guard against electrical shocks. While an older unit may still conduct electricity, an upgrade is recommended when adding new circuits, after failing an EICR, or to improve safety. ### Will the new consumer unit fit in my existing meter cupboard? Modern metal consumer units have different dimensions compared to traditional fuse boxes. During our initial visit, we assess the space in your meter cupboard or utility area to select an enclosure that fits neatly while leaving room for cable entry and maintenance access. ### Who informs building control about the consumer unit upgrade? Replacing a consumer unit is notifiable under Part P of the Building Regulations. MX2 Electrical is NAPIT registered, meaning we submit the notification directly to building control and issue your compliance certificate once the testing is recorded. ### What happens if an existing circuit has a wiring fault? Because modern residual current devices are very sensitive, pre-existing wiring damage or neutral faults that went unnoticed on an old fuse wire may trip the new breaker. We test circuits prior to live energisation and advise you on any repairs needed to clear faults. ## Other services in Westbourne - [Electrician in Westbourne](https://mx2-electrical-ltd.co.uk/electrician-westbourne): Domestic and suitable commercial electrical repairs, testing and planned work across Westbourne, Alum Chine, West Cliff and BH4. - [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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