EV home charger installation FAQs

How much does an installation cost?

The cost of installing a home EV charger depends on your electrical setup and property type. A standard installation is typically included when purchasing a charger through an installer, while non-standard work may incur additional costs.

What does a “standard installation” include?

A standard installation usually includes:

  • Mounting the EV charger on a suitable wall
  • Up to a set length of cabling from the electrical supply
  • Basic drilling and fixing work
  • Electrical testing and commissioning
  • Issuing a safety or compliance certificate

Do I have to be an Octopus Energy customer?

Some EV charger installation packages and smart tariffs are only available to Octopus Energy customers. However, it is still possible to install an EV charger independently without switching energy supplier.

I rent my home – can I still get an EV charger installed?

Yes, but you will usually need written permission from the property owner or landlord. In some cases, chargers can be removed when you move out.

What will I need for a remote EV charger survey?

A remote survey typically requires:

  • Photos of your electricity meter and fuse box
  • Photos of the proposed charger location
  • Confirmation of parking arrangements
  • Information about your electrical supply

Can I get a second charger if I already have one?

Yes, but your electrical supply must be able to support the additional load. A qualified electrician may need to assess your system before approval.

What is a looped supply?

A looped supply means your electricity supply is shared with a neighbouring property. In some cases, the Distribution Network Operator may need to separate the supply before an EV charger can be installed.

Who is the Distribution Network Operator (DNO)?

The DNO is the company responsible for maintaining the local electricity network. They manage the cables supplying electricity to your home and may need to be notified when an EV charger is installed.

Can I use my Octopus credit towards paying for my EV charger?

Account credit may be applied in some cases, depending on your tariff and installation package. This is subject to eligibility and confirmation at the time of purchase.

Can someone use my charger when my car is not parked at home?

Yes. Unless access is restricted, anyone with a compatible vehicle can use your charger. Some chargers allow locking or access control via an app.

Preparing for a chargepoint installation

A typical EV home charger installation takes around 4 hours. The process usually includes:

  • Installing and securing the charger
  • Electrical safety testing
  • Certification and compliance checks
  • A test charge of your EV

Installers may provide instructional videos or guides before installation.

Installation timing and permissions

How long will I wait for an installation?

Waiting times vary depending on installer availability, survey completion, and whether additional electrical work is required.

Do I need to inform the DNO about getting an EV charger?

In many cases, the installer will notify the DNO on your behalf. Some higher-power chargers require prior approval.

Do I need a permit to install an EV charger?

Most residential installations do not require planning permission. However, listed buildings or flats may require additional approval.

What do I need to switch to Intelligent Octopus Go?

You will need a compatible smart meter, an eligible EV, and a supported smart charger or vehicle integration.

Are there any grants available to help with installation costs?

Grant availability depends on government policy and eligibility criteria. Some schemes are aimed at renters, landlords, or workplaces.

Technical questions

What do you mean by “tethered” and “untethered” cables?

A tethered charger has a fixed charging cable attached. An untethered charger requires you to use your own cable.

What size cable do I need for an EV charger?

Cable size depends on charger power, distance, and installation method. This is determined by the electrician during the survey.

What is the difference between Type 1, Type 2, and CCS chargers?

Type 1 and Type 2 are AC connectors. CCS is a DC fast charging connector used for rapid charging.

What are the charger specs and sizes?

Most home chargers deliver 7 kW AC power and are compact enough for wall mounting. Exact dimensions vary by manufacturer.

Can I plug my electric car into a regular outlet?

Yes, but this is known as Level 1 charging and is much slower than using a dedicated EV charger.

How much power does a home charger use?

Most UK home chargers use up to 7 kW. Actual consumption depends on vehicle demand and charging settings.

Can I use my pre-existing cabling?

Existing cabling may be reused if it meets current safety and capacity requirements. This must be confirmed by the installer.

Do EV chargers need surge protection?

Many modern chargers include built-in protection. Additional surge protection may be required depending on local regulations.

What is bonding and do I need it?

Bonding ensures electrical safety by connecting metal parts to earth. Whether it is required depends on your installation setup.

What’s a fused isolator, and how do I know if I need one?

A fused isolator allows safe disconnection of the charger for maintenance. It is often installed as part of a compliant EV charger installation.

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