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7 things to think about when investing in a home EV charger

How to install a 7kW EV Charger: What to consider before your installation

Home EV chargers offer a multitude of benefits for EV drivers. You can charge whenever you like from the comfort of your own home, charge three times faster than with a 3-pin plug, and save considerable amounts of money by taking advantage of smart features and charging during off-peak hours.

And if you’re here, you are likely asking – can I get a 7kW charger installed at home? In short, yes, you can get a 7kW electric car charger installed at home. In fact, a 7kW EV charger is the highest charging speed available for those with a single-phase electricity supply. But a 7kW home EV charger installation is more complex than you would think.

Before you go ahead with your home EV charger purchase, read through the seven things you need to think about when investing in a home EV charger.

1) Is your electric car Type 1 or Type 2?

Your electric vehicle will have a connector – the part of your electric car where you plug your cable into charge. Currently, two types of EV connectors exist for 7kW EV charging – Type 1 and Type 2.

In the UK and Europe, a Type 2 connector is standard and therefore found to be more common in electric vehicles. Meanwhile, Type 1 electric vehicles are more typical in the Asian, American and Japanese markets. That being said, some EVs in the UK still have a Type 1 connector (typically older models, for example, the old Nissan Leaf 2012-2017).

Have a look at your EV’s connector and see which type your EV is; it’s essential when investing in a 7kW EV home charger that you match the connectors to be able to charge, i.e. a Type 2 EV needs a Type 2 electric vehicle charger.

To check whether you have a Type 1 or Type 2, please check your manufacturer’s guide, or have a look at your electric car’s connector. If the connector has a 7-pin design, it is likely to be a type 2, compared to if it has a 5-pin design, which would be a type 1 (see the image below).

Below is a list of electric vehicle models in the UK that utilise the type 1 socket:

Citroen C-Zero (2016-2020) Nissan Leaf Mk1 (2012 – 2017)
Ford Focus Electric Peugeot iOn EV (2011-2018)
Ford C-MAX Energi (2013-2017) Renault Fluence (Pre-2014)
Kia Soul EV (2017) Toyota Prius Plug-In Hybrid (Pre-2017)
Mitsubishi I-MiEV Vauxhall Ampera
Mitsubishi Outlander PHEV Renault Kangoo Phase 1
Nissan e-NV200 Combi


2) Do you want a tethered or an untethered (socketed) home EV charger?

EV chargers come in two forms: tethered and untethered (or sometimes referred to as socketed or non-tethered).

The key difference between tethered and untethered EV chargers is that a tethered EV charger has the charging cable permanently attached to it, similar to a petrol pump. In comparison, an untethered EV charger’s charging cable can be removed from the unit and stored elsewhere.

There are pros and cons applicable to both types of EV chargers, with convenience being a key benefit of tethered EV chargers and flexibility for socketed chargers.


Learn more about tethered vs. untethered EV chargers.

Diagram of the difference between Tethered and Untethered (socketed) EV Chargers

3) What aesthetic are you after for your home EV charger?

No longer are home EV chargers bulky and unattractive. In fact, home electric vehicle chargers come in many different sizes and styles.

So, you need to ask yourself – do you want a sleek EV charger that compliments your home? Or do you want your unit to be more neat and discreet? Or perhaps you are more interested in price than looks.

Take a think about what sort of style, size or colour you are after – whether appearance is important to you, or whether functionality and features are your priority, or perhaps you want a charger that has it all?

7kW EV charger cost

4) What home EV charger smart features are you interested in?

In accordance with the Smart Electric Vehicle Charger Regulations, all electric vehicle chargers must be smart.

And while all smart home chargers will be equipped with the charge scheduling feature, you need to think just how smart you want your EV charger.

For example, certain home EV chargers allow added cost benefits. The VCHRGD Seven is solar compatible, meaning you can charge your electric vehicle with free solar energy, as long as you have a solar PV system. Alternatively, the Ohme Home Pro and Ohme ePod have the tariff integration feature, which connects to your energy tariff and allows you to charge at the cheapest rate available to you.

Of course, not all smart EV charger features are centred around costs. Some features add more security to your EV charger. For example, the Easee One allows you to lock your cable in place and protect your charger from unwanted use.

Got some specific features in mind? Give us a call and let us know your preferences – we will find you a charger that meets all your needs. With our wide range of 7kW home EV chargers, we will find your perfect EV charging match.

7kW EV charger Ohme Home Pro Installation

5) Price

As with any purchase, the price is always something to think about – and home electric car chargers are no different.

That being said, it’s important to note that electric vehicle chargers are an investment and will last many, many years before needing replacing (if ever). Unlike iPhone chargers which are cheap, cheerful, and easy to buy, home electric vehicle chargers are serious pieces of electrical equipment and need to adhere to regulations, in addition to being installed by experienced and OZEV qualified professionals – which, unfortunately, does not come cheap.

As a general rule of thumb on 7kW EV charger price, home EV chargers with more smart features or advanced smart features such as tariff integration are likely to be more expensive than those with bog-standard features.

You can find a more in-depth exploration into 7kW home EV charger costs in our blog.

In order to cater to everyone, we offer a wide range of the best EV chargers on the market, including the evec – the UK’s cheapest 7kW EV charger.

What’s more, you can spread the cost of your home electric vehicle charger with finance. Call 03333 44 96 99 for more information.

6) Location

Where would you like your home electric vehicle charger to be installed? The side of your house? In your detached garage? Have a think about where you would want your home charger, as well as the distance from your fuse box to its desired location and how much cabling, in metres, might be required (10 metres of cabling is included in our standard installation and covers the majority of installations).

Bear in mind that the location of the charger might influence your choice of the electric car charger, too – if it’s at the front of your house, you may want something sleeker or smaller, compared to if it is tucked away, unseen by prying eyes.

Wi-Fi connection is also important when choosing the location of your electric vehicle charger. So, try and gauge how strong your Wi-Fi connection is in different parts of your property. You must have a reliable Wi-Fi signal or a stable mobile connection where you want your EV home charger installed in order for the features to work correctly – so try and find the best spot for your electric vehicle charger.

Remember that if you don’t have off-street parking, you won’t be able to have a standard EV charger installed on your property. But worry not – we can have options available for those with on-street parking. The ChargeArm allows you to have a 7kW EV home charger installed on your property – something you otherwise wouldn’t be able to have.

7kW EV home charger

7) Electricity Supply

When thinking about investing in an electric vehicle charger, there are a few factors to think about and a couple of checks you could carry out to get a rough idea about your electricity supply. Have a peek at your main fuse (located in your meter box); how many amps is it rated at? Do you have a single-phase electricity supply or a three-phase?

Single-phase electricity supply

A single-phase electricity supply is the most common type of electricity supply in the UK and is usually found in standard residential properties. With a single-phase power supply, you’ll only be able to install an electric vehicle charging point of up to 7kW (kilowatts), or more specifically, 7.4kW. 7.4kW is, therefore, the maximum rate your EV can be charged with on a single-phase electricity supply. With this in mind, if you want an 11kW or 22kW EV charger, you will need to contact the DNO for a fuse upgrade – which can be time-consuming.

Learn more about DNO timeframes and how long it takes to have an EV charger installed on your property.

Three-phase electricity supply

A three-phase electricity supply is typically found in industrial or commercial properties, and it’s rare to find in UK domestic homes. Suppose a house does have a three-phase supply. In that case, it’s likely to be a large property with multiple sizeable electrical appliances that need to draw a significant amount of electricity to function (i.e. hot tubs). Three-phase is faster than single-phase, but it is expensive and time-consuming to upgrade.

Please note – to benefit from 11kW or 22kW charging, not only does your electricity supply need to be three-phase, but your vehicle will have to have an onboard charger that can take that amount of kW. For example, a Nissan Leaf has a 6.6kW onboard charger, meaning even if you invested in an 11kW or 22kW charger, it would not charge any faster.


Learn more about what kW and kWh mean in relation to electric cars.


Potential issues with electricity supply you should be aware of:

With every electric vehicle charger order at We Power Your Car, we have to contact your DNO before booking your installation date as a legal requirement. DNO stands for Distribution Network Operator and, in simple terms, are the people in charge of your electricity supply.

It’s important to be aware of the issues that could arise in relation to your electricity supply. If this occurs, your DNO would have to intervene in your installation.

Looped supply – A looped supply is when your property’s electricity supply is connected or “looped” with your neighbours. A looped supply will need to be separated before you can have your charger installed.

Fuse upgrade – If you have a 60 amp fuse, or sometimes an 80 amp fuse, it will likely need to be upgraded. The upgrade is to ensure your main fuse can handle the electrical demand of a new EV charger (so the extra load from your EV charger doesn’t blow your fuse).

Another factor to consider is whether you want a 7kW, 11kW or 22kW charger; however, your ability to have an 11kW or 22kW charger depends on your electricity supply.

How do I identify whether I have a single-phase or three-phase electricity supply?

For a single-phase electricity supply, there will be a single fuse where the power enters your house/meter (one wire). On the other hand, three-phase can often be identified as having three 100amp fuses where the supply enters the building or the meter (three wires).

How do I know if I have a looped supply?

If you have a looped supply, you will see two cables entering the bottom of your meter box below the fuse (see below). If you have a looped supply, it means your electricity is directly connected to your neighbours.

Interested in a 7kW EV charger installation?

If you are thinking about getting a home EV charger installed to reap the benefits of faster, cheaper and smart EV charging, please get in touch with us for free, unbiased advice.

With a range of home electric vehicle chargers, we ensure we find your perfect EV charging match by offering free, unbiased advice. With engineers across the UK, we can install wherever you are – all with first-class customer service (we’re rated ‘Excellent’ on Trustpilot.)

Browse our range of 7kW EV chargers online, or if you still don’t know where to start and prefer to speak to someone directly at 03333 44 96 99, or fill in the contact form below. Our expert customer service team are always happy to help. Our lines are open seven days a week, including bank holidays.

As Tesla Approved Electricians, we are also authorised to supply and install Tesla Wall Connectors. Please contact us directly to learn more.

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Tethered charger

This type of electric charger has it's own cable to charge your car.

Socketed charger

This type of electric charger requires a seperate cable to charge your car.

Spread over a 60 month period.

Tenants and homeowners are eligible for finance.

You decide the amount of months.

Minimum of £1000.

We will contact you to process the credit application. Approval is subject to application, financial circumstances and borrowing history. 13.9% APR representative. T&Cs apply.

Your order is not confirmed until your application has been approved.

Underground cable

We lay SWA cable laid at 600mm deep, with a protective cable warning tape laid 150mm above the cable. These are laid on a sand or sifted sand soil bed then backfilled.

Overhead cable

We position overhead cables at a minimum height of 3.5m and are run along a catenary wire. The cable run should not be accessible to vehicles.

Standard Installation
Our instant price is fixed if it falls within our standard installation package plus any additions that you have selected (extra cabling for example). This package covers the majority of homes in the UK. Before we undertake your installation we will carry out a digital survey to check that nothing has been missed. After reviewing the survey results some additional work may be required in order to complete your installation safely and to the required standards. If this is the case, we will contact you well before the installation date and advise the cost of any required work. You can then continue with your installation, or alternatively we will refund you in full if you do not want to proceed.

Included in our standard installation is :
• Fitting of a single phase charge point to a brick or plaster wall or other suitable permanent structure
• Up to 10 metres of cable, run and neatly clipped to the wall between the electricity supply meter / distribution board and the charge point.
• Routing of the cable through a drilled hole in a wall up to 500mm (20 inches) thick if this is needed.
• The fitting and testing of electrical connections and protections required for the charge point.
• An additional three way consumer unit, if required
• Installation of a Type A RCBO in an RCBO enclosure
• Up to 3 metres of plastic trunking to conceal interior wiring.
• An O-pen earth protection device if the charge point requires it. (This is NOT an earth rod)
• Up to 4 hours of labour from your installer to complete the work.
• Electrical testing of the whole installation.
• Handover and setup of the charge point and any app that may be needed.

Not included in our standard installation (additional work) :
• Where the installation requires additional cabling over and above the amount you have told us about.
• Upgrade/replacement of the main incoming supply fuse where the local DNO (eg Northern Powergrid) would need to attend site.
• If the charge point is to be mounted on a post/pedestal rather than an existing wall and where you have not selected a post as an extra cost option in your order.
• Installation of a charge point to a three phase supply.
• Where gas and water mains bonding (earthing) is not in place at your property. If this is not in place, additional work would be required before installation of the charge point.
• Any groundwork that has not been selected during the order process.

A Surge Protection Device is not included in our standard installation. 

What else you need to know :
• On the day of installation, please ensure that the area around your consumer unit (fuse box), incoming electricity supply meter and proposed charge point location (including where the cable is expected to be run) is clear and free of obstructions.
• We will need your WiFi password as part of the installation process in order to connect your charge point to the internet. Please have this available for the installer. Details will not be kept.
• The charge point must be on your own designated off road parking.
• The charger will be fixed in line with current guidelines at a height where it cannot be hit by a vehicle.
• Our installers are not able to enter loft spaces; lift floorboards or flooring; take apart any furniture of work above a height of 2m. If you anticipate that any of this may be required, then please contact us and we can discuss in more detail and provide you with a quotation.
• Should there be extreme weather conditions our installers may not be able to continue with you installation if it is not safe to do so (for example flooding). They will always do their best to complete the work where they can.

If you have any questions then please contact our customer service team who will be happy to help. Please also read our terms and conditions.