EV Charger Installation UK: 2026 OZEV Grant & Costs

Got an electric car, or thinking about one? This guide walks through what is involved in getting a home charger installed in York in 2026: the £500 OZEV grant and who qualifies, the Smart Charge Point Regulations, the BS 7671:2018+A4:2026 requirements a competent installer works to, and what happens on the day.

Why not just use a normal plug?

I get asked this a lot. You can charge an EV from a standard 13 A plug, and most cars come with a granny cable for exactly that purpose. The reality check: it adds around 5 to 8 miles of range per hour. If your battery is flat, you are looking at 24 hours or more to fill it.

More importantly, a domestic 13 A socket is not designed for sustained heavy loads every night. It will work in an emergency, but nightly use stresses the socket, the spur, and the ring final that feeds it. A dedicated 7 kW charger is three to four times faster, runs on its own protected circuit, and is designed for the job ^[3].

Charger speeds and types

Tethered or untethered? A tethered charger has a captive cable with a Type 2 connector fixed to it. An untethered charger has a socket you plug your own cable into. Tethered is more convenient (no cable to fetch), untethered is neater (cable lives in the car) and future-proofs you against a connector change.

The 2026 OZEV EV Chargepoint Grant

The OZEV EV Chargepoint Grant is the UK government's contribution towards a home charger installation. From April 2026 the maximum rose to £500 per socket, covering up to 75% of installation costs ^[1]. Applications are made through the government Find a Grant platform. The scheme is open until 31 March 2027.

Grant rules change. I check your eligibility as part of the site survey and apply on your behalf if you qualify.

Smart Charge Point Regulations 2021

Any home or workplace EV charger sold and installed in Great Britain since 30 December 2022 must comply with the Electric Vehicles (Smart Charge Points) Regulations 2021 ^[2]. The regulations require:

• Smart functionality, meaning the charger can send and receive information, and can adjust its charging rate.
• Default off-peak scheduling, so a newly installed charger will not charge during 8am to 11am and 4pm to 10pm unless the owner actively overrides the default.
• Randomised delay of up to 10 minutes when off-peak starts, to avoid every charger switching on at the same instant and overloading local networks.
• Measuring system that records energy consumption and charging time.
• Cyber security requirements including tamper protection, secure firmware updates, and secure-by-default credentials.
• Privacy controls for user data.

In practice, every OZEV-approved charger I install meets this out of the box. The default off-peak windows can be overridden by you through the charger app if you are on a tariff with different cheap-rate hours.

Installation requirements under BS 7671:2018+A4:2026

EV charging installations are covered by Section 722 of BS 7671, reinforced in A4:2026 ^[4]. For a typical domestic single-phase install:

• Dedicated final circuit running between the consumer unit and the charger. No spurs off a ring, no sharing with other loads.
• 30 mA residual current protection on the circuit. An RCBO is the usual way of delivering it on a modern board.
• DC residual current protection of 6 mA. Either a Type B RCD on the circuit, or an EV charger with built-in 6 mA DC sensing.
• PEN fault protection. Options covered in the next section.
• Local isolation. An accessible means of disconnecting the charger from the supply.
• Correctly sized cable with appropriate armouring for any external run.
• DNO notification. For York, Northern Powergrid.

PEN fault protection, the one most homeowners have never heard of

Most UK homes are supplied on a TN-C-S (PME) earthing system, where the neutral conductor in the supply cable also acts as the earth. It is efficient and reliable, almost all of the time. The rare failure mode is a broken supply neutral, called a PEN fault. When it happens, the neutral and earth lose their reference, the earthed metalwork of the house (radiators, taps, the car body connected to the charger's earth) can rise towards 230 V. Outdoors, touching the car could then be lethal ^[4].

BS 7671:2018+A4:2026 requires protection against this on EV charging installations. There are three recognised solutions, one of which must be in place on every install:

1. TT earthing (earth electrode). Install a dedicated earth rod for the charger circuit, isolated from the house TN-C-S earth. Simple, reliable, needs space for the rod and a compliant soil resistance.
2. A PEN fault detection device such as matt-e, Garo or similar. The device monitors for voltage and frequency anomalies and disconnects the supply if a PEN fault is detected. Common retrofit choice.
3. A charger with integrated PEN fault protection. Many modern OZEV-approved units include this. If the charger has it built in, no external device is needed.

We specify the right option for your property as part of the survey, it is a design decision, not a default.

What affects the cost

EV charger installations vary by property. I'm upfront about this because the honest answer is better than a misleading headline price.

• Materials are the larger share of the cost. The charger, the dedicated cable, the PEN fault protection, the RCBO or RCD, and any consumer unit work. Labour is the smaller part.
• Cable route length. The longer the run between the consumer unit and the charge point, the more cable and containment are needed. A 3 metre run is simple; a 20 metre run around the side of the house through brick is not.
• Consumer unit state. A modern RCBO-per-circuit board with a free way takes the new circuit without trouble. An older split-load board may need a replacement or a supplementary enclosure.
• External groundwork. Under paving, through walls, across driveways. Every barrier adds time.
• Charger brand. Real spread across the market, functional units through to premium. I fit what suits you, not what carries the largest rebate for us.

I scope every install on a site survey and give you a clear written estimate with no surprises. Book a survey.

How a 7 kW home EV charger install runs, survey to certification

1. Site surveyWe visit the property, check the consumer unit, measure the cable route, confirm the earthing arrangement, and discuss charger options. You get a clear written estimate with no surprises.
2. DNO notification or approvalWe submit the required notification to Northern Powergrid. For most 7 kW single-phase installs this is a post-install notification. Higher-rated or three-phase installs need advance approval before work starts.
3. OZEV grant application, if eligibleFor renters, flat owners with shared parking, and residential landlords, we apply for the grant on your behalf through the government Find a Grant platform.
4. Consumer unit work, if neededIf the board needs an RCBO, a Type B RCD, an SPD or a full replacement, that goes first, so the new circuit lands on a compliant board.
5. Cable run and mountingA dedicated cable runs between the consumer unit and the charger, routed neatly indoors, with armoured cable on any external run. Charger mounted to the wall. Any groundwork (under paving, through walls) is done at this stage.
6. Terminate, test and certifyTerminations torqued to the manufacturer spec, charger commissioned, insulation resistance and Zs loop impedance measured, RCD trip times confirmed, Electrical Installation Certificate issued.
7. Handover and aftercareWe walk you through the charger, help you set up the app and the off-peak schedule, register the product with the manufacturer, and notify NICEIC and the DNO. You keep the pack of certificates.

Installer credentials to ask for

An EV charger install is Part P notifiable work involving DC fault protection and PEN fault risk. Ask for all four of the following before you book anyone:

• Registered with a Competent Person Scheme (NICEIC, NAPIT, ECA, Stroma) for domestic notifiable work.
• Holds the 18th Edition qualification, BS 7671:2018+A4:2026 current.
• Approved by OZEV as an authorised installer (required for grant claims).
• Will handle the DNO notification and the NICEIC Part P registration as part of the job, not as an extra.

At Bright Sparks of York we tick all four. If anyone tells you any of these are optional, find a different installer.