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Domestic EV charger installation

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Answer a few questions about your charger and cable route. Straightforward installations receive an estimated VAT-inclusive price; unusual routes are referred to Nick for a site visit.

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Tariff filters include only verified direct charger integrations. Vehicle eligibility, tariff terms and installation suitability still need checking; unconfirmed models are excluded.

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Where is your main fuse?

Measure from the main-fuse area to the proposed charger position. The first 10m is covered by standard labour; each additional 10m block or part adds £30 labour.

Enter 0 if none. The first wall is included; each additional wall adds £30.

Will a trench be needed?

Will any walls need chasing?

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Find the best fit for your home

Answer five quick questions. The recommendation is an E-Fix guide and the final choice is confirmed with Nick.

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EV charger comparison

✓ verified feature · ✕ not included · ? not confirmed. Stars are E-Fix editorial ratings, not independent laboratory scores.
ChargerHardwired Ethernet4GWi-FiRadio CTColour choiceOctopus 🐙OVOOrigin

Radio CT means a manufacturer-supported wireless CT option exists. It does not mean the wireless method is suitable where fail-safe G100 load limitation is required.

Manufacturer and tariff sources

Features were checked on 23/08/2026 against current information from Ohme, Hypervolt, myenergi zappi, myenergi GLO, FastAmps and SALUS. Direct tariff compatibility was checked against Octopus Energy and OVO. A `?` means the exact model was not explicitly confirmed by the source.

EV installation questions

Frequently asked questions

Can an EV charger be connected into my existing consumer unit?

Usually not without alterations. BS 7671 Regulation 722.531.3.101 requires each charging point to be individually protected by a suitable RCD rated at no more than 30mA and to disconnect all live conductors. For a charger with suitable DC fault-current protection, this is normally achieved with Type A protection; without it, a Type B RCD may be required.

E-Fix normally includes surge protection in line with Regulation 443.4.1, Section 534 and the charger manufacturer’s instructions. A separate small EV distribution board is often the cleanest way to provide the correct protection without disturbing existing circuits.

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Can existing wiring in my garage be used for an EV charger?

Potentially, yes. Existing garage wiring may be reusable if inspection and calculations confirm that its cable type, conductor size, condition, route, installation method, voltage drop, earthing, protective devices and available capacity are suitable for the charger’s continuous load.

Load balancing still needs a CT sensor at the incoming house supply to communicate with the charger. This can be hardwired using a data cable or EV Ultra combined power/data cable, but compatible systems can transmit CT information wirelessly. For example, a myenergi harvi wireless sensor can send CT measurements to a compatible zappi.

Wireless compatibility, range, signal reliability and the manufacturer’s instructions must be checked for the selected charger. Where the CT is relied upon for fail-safe G100 load limitation, a wireless arrangement may not be acceptable. Nick will assess the existing cable and load-management method before confirming whether it can be reused.

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Can I supply my own EV charger?

Yes, provided the charger is suitable for the UK, complies with the Smart Charge Points Regulations and its manufacturer documentation supports a compliant installation.

For a typical PME supply, the design must address open-PEN protection under BS 7671 Regulation 722.411.4.1. It must also provide the required DC fault-current protection: Regulation 722.531.3.101 requires protection against DC residual current above 6mA, either within the charger or by suitable external protective equipment. Most established UK smart chargers include these features, but E-Fix will verify the exact model before agreeing to install it.

Ask Nick to check your charger

Technical references: BS 7671 Section 722, Regulations 722.411.4.1 and 722.531.3.101; Regulation 443.4.1 and Section 534. Final requirements depend on the charger, supply and manufacturer’s instructions. Read the IET guidance on EV charging RCD protection and surge protection.