Installing a home charger is one of the best investments you can make as a Tesla owner. The Tesla Wall Connector costs £800–£1,400 installed, adding around 35–40 miles of range per hour of charging. Renters and flat owners may be eligible for an OZEV government grant of up to £500. Current home schemes cover qualifying flats and renters and households with on-street parking. Most UK Tesla owners recoup the installation cost within the first year through charging savings versus public charging.
Tesla Wall Connector vs Mobile Connector (granny charger)
Every new Tesla comes with a Mobile Connector (commonly called a granny charger) — a cable with a 3-pin UK plug that can charge from any standard household socket. It is a useful backup but very slow for daily use.
| Feature | Wall Connector (7kW) | Mobile Connector (3-pin) |
|---|---|---|
| Charging speed | 7kW (up to 35–40 mi/hr) | 2.3kW (~8–12 mi/hr) |
| Time to full charge (Model Y LR) | ~11 hours | ~33 hours |
| Installation required | Yes — qualified electrician | No — standard 13A socket |
| OZEV grant eligible | Yes | No |
| Weatherproof | IP55 (outdoor rated) | IP55 (outdoor rated) |
| Typical cost | £800–£1,400 installed | Included with Tesla |
The Mobile Connector is perfectly adequate for top-up charging or if you only drive a short distance each day (under 50 miles). For most drivers, however, a Wall Connector provides peace of mind — you start each day with a full charge regardless of what time you plugged in.
Installation costs
Tesla Wall Connector installation typically costs between £800 and £1,400 before the OZEV grant. The final price depends on:
- Property type — detached houses are typically at the lower end (£750–£1,100); flats and terraced houses at the higher end due to longer cable runs.
- Cable run length — a short run (under 5m) from the consumer unit to the parking space adds nothing. Runs over 10m can add £200+.
- Consumer unit upgrade — if your fuse board needs updating to accommodate the additional circuit, expect an additional £350–£500.
- Location of consumer unit — if it is in the garage adjacent to where you park, costs are lower.
A typical quote for a detached house with a simple cable run: £850–£1,000. Note: homeowners of detached houses are no longer eligible for the flats and renters grant. Homeowners may qualify through the separate households with on-street parking scheme if its conditions are met.
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The UK government's OZEV EV Chargepoint Grant provides up to £500 or 75% of eligible costs (whichever is lower) toward an approved home EV charger. From 1 April 2026, the current home schemes include flats and renters and qualifying households with on-street parking. To qualify:
- Property or parking: You must meet the rules for the flats and renters grant or the households with on-street parking grant.
- Parking: The applicable parking and cross-pavement conditions depend on the scheme you use.
- Installer: You must use an OZEV-approved installer (Tesla's Wall Connector qualifies when installed by an approved contractor).
- Vehicle: You must own, lease, or have ordered a qualifying EV (most new EVs qualify).
Apply through the relevant government scheme and wait for confirmation before installation. Your OZEV-approved installer then provides the installation evidence and claims the approved amount. The invoice should show the grant deduction.
7kW vs 22kW — which do you need?
For the vast majority of UK homes, a 7kW single-phase Wall Connector is the right choice. It charges a Model Y Long Range from empty in around 11 hours — easily overnight. At 35–40 miles of range per hour, you will never leave home with less than a full battery.
A 22kW Wall Connector requires a three-phase electricity supply. Most UK domestic properties are single-phase. Check with your electricity network operator (DNO) before ordering a 22kW charger. Even if your property is three-phase, Tesla's current UK models only accept a maximum of 11kW AC charging onboard — so a 22kW charger provides no benefit unless you also have a non-Tesla EV that supports 22kW charging.
How to choose an installer
Your installer must be OZEV-approved for the grant to apply. A list of approved installers is available on the gov.uk website. Several well-known installers work with Tesla Wall Connectors:
- Pod Point — one of the UK's largest EV charger installers, OZEV-approved.
- Ohme — smart charger manufacturer with their own installation service.
- Andersen EV — premium installations for more design-focused customers.
- Local electrical contractors — many OZEV-approved electricians offer competitive quotes, often cheaper than the large national companies.
Always get at least 3 quotes and confirm the installer is OZEV-approved before proceeding. Installation should take 2–4 hours in most standard cases.
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Do I need planning permission for a home EV charger?
No, in most cases. Domestic EV charger installations are Permitted Development in England, Scotland and Wales. You do not need planning permission. However, if you live in a listed building or conservation area, check with your local council before proceeding, as additional restrictions may apply.
Can I install a Tesla Wall Connector myself?
No. EV charger installation must be carried out by a qualified electrician holding the relevant Part P certification to meet Building Regulations. OZEV grant installers must also hold OZEV approval. Attempting a DIY installation will void your Tesla warranty on the Wall Connector and potentially your home insurance.
How long does Tesla home charger installation take?
A straightforward installation (short cable run, no consumer unit work) takes 2–4 hours for a single electrician. More complex installs involving a long cable run or a consumer unit upgrade may take a full day.