Start by asking a qualified EV-chargepoint installer to assess your charging needs. Planning the setup before garage construction makes it easier to include the required services and avoid changes later.
Below, we answer common questions about charging an EV in a garage before explaining each part of the design in more detail.
First, we will address some common questions on the topic, as having electric charging in your own garage is still rather rare.
Yes, charging an EV in a garage can be safe when a competent installer fits suitable equipment and you follow the charger and vehicle manufacturers’ instructions.
No. Ask a qualified electrician with EV-chargepoint experience to assess and install the system in line with current electrical-safety requirements. Installing it yourself could invalidate the charger’s warranty, depending on its terms.
You may also need to use an OZEV-authorised installer to qualify for a government grant.
Sometimes. Only use a domestic socket if the vehicle manufacturer allows it and a qualified electrician confirms that the socket and circuit are suitable. It will charge much more slowly than a dedicated home charger, so do not assume it is suitable for regular use. Never use an extension lead or adaptor.
We now look at the steps you need to take to design a new garage that is suitable for electric car charging. There are a few points to bear in mind.
Before choosing an EV charger, ask a qualified installer to assess your consumer unit, electrical supply and existing demand. This will show whether the property is ready for the charger or needs changes.
The installer should check:
The Distribution Network Operator, rather than your energy supplier, normally handles changes to the local electricity connection or service equipment.
Plan the cable route before preparing the garage base or starting the groundwork. A qualified installer should specify the cable, dedicated circuit and any protective equipment required.
If the cable will run underground, include ducting in the plans. You will also need enough space for the charger and related electrical equipment.
For more information about this stage, read our guide to wooden garage foundations.
Place the charger where the cable can easily reach the car’s charging port. Charging ports sit in different places depending on the vehicle, so think about whether you will drive or reverse into the garage.
If you already know which car you will buy, check where its charging port is located. If not, ask the installer to suggest a position that could work with different vehicles.
Keep the cable away from doors, storage areas and walkways. It should reach the car without being stretched or creating a trip hazard.
The garage’s location will also affect the cable run and how easily you can park beside the charger. Read our guide to choosing the best garage placement.
You may want to add solar panels or battery storage to the garage. These systems can provide some of the electricity used for charging.
Ask qualified solar and EV installers to assess the roof, electrical demand and equipment required. Planning this early can make it easier to include the necessary cables and space in the garage design.
Learn what to consider when installing solar panels on a garage roof in this article.
Smart chargers use an internet connection for features such as scheduled charging, remote control and energy monitoring. Depending on the model, the charger may connect through Wi-Fi, Ethernet or a mobile network.
Check the signal in the garage before choosing a charger. If the connection is weak, ask the installer about a Wi-Fi extender, wired connection or charger with built-in mobile connectivity. Not every charger supports the same features, so check the specifications before buying.
You do not need to insulate or heat a garage simply to charge an electric car. EVs are designed to cope with outdoor temperatures, although cold weather can temporarily reduce range and slow charging.
Some EVs let you warm the battery and car before driving while they are still plugged in. Insulation may be useful if you also use the garage as a workshop or hobby room.
The cost and installation time will depend on the charger, cable route, electrical supply and any upgrades needed. Ask a qualified installer for a quote.
Home charging can be convenient and may cost less than public charging, depending on your electricity tariff. You can leave the car charging overnight and, with some models, warm or cool it before driving while it is still plugged in.
Planning the setup when designing your garage can make installation simpler later.
Planning for electric vehicle charging before your garage is built can make it easier to position the charger and include a suitable cable route.
At Chart Garages, our made-to-order timber garages and carriage houses can be designed with space for future charging equipment. A qualified EV-chargepoint installer must assess and complete the electrical work.
Does an EV charger need its own circuit?
Usually. A qualified installer can check your property and decide what circuit and safety equipment you need.
Does a smart charger need Wi-Fi?
Not always. Depending on the model, it may connect through Wi-Fi, Ethernet or a mobile network.
Can I use solar panels to charge an EV?
Yes, solar panels can provide some of the electricity. Ask qualified solar and EV installers to design a suitable system.
Does Chart Garages install EV chargers?
No. Chart Garages can prepare the garage design for charging equipment, but a qualified EV-chargepoint installer must complete the electrical work.
