Tesla Wall Connector vs Simpson & Partners Home 7: badge or build?

The badge versus the build

Two competent 7kW chargers, £171 apart, aimed at almost entirely different buyers. The Tesla Wall Connector (Gen 3) is £478 — the cheapest way to put the official Tesla hardware on a wall, with a 7.3-metre cable and the app already on the driver's phone. The Simpson & Partners Home 7 is £649 — British-made, OZEV-approved, wrapped in anodised aluminium, and backed by a ten-year warranty on that enclosure.

The shortest version:

• Tesla Wall Connector — the default for a Tesla, if the house can live without the grant.
• Simpson & Partners Home 7 — the one to look at if you want OZEV eligibility, a premium finish, or a long warranty on the box itself.

What the £171 actually buys

Three things, in order of how much they matter.

First, OZEV eligibility. The Tesla is not approved; the Simpson & Partners is. For homeowners with driveways, this is irrelevant — the grant doesn't apply to you. For renters and flat owners, the £500 OZEV grant more than wipes out the price gap, and the Tesla is quietly off the table. If you qualify for the grant, stop reading and buy the S&P.

Second, the warranty. Ten years on the enclosure sounds handsome until you notice the internals are covered for three. Tesla gives four years on the whole unit. The honest reading: S&P is confident the aluminium shell will outlive your car; Tesla is confident the electronics will outlive its competitors'. Neither is wrong. If the charger lives outdoors on a coast-facing wall, the S&P's IP54 rating and thicker skin are the better bet than the Tesla's IP44.

Third, the finish. The S&P comes in Accoya wood and Cotswolds Green among others, which matters if the charger is going on the front of a listed cottage rather than the side of a garage. The Tesla comes in white. If aesthetics are load-bearing, this is a real argument. If the charger lives behind the bins, it isn't.

Is the Tesla still the better charger for a Tesla?

Yes, for most people — and not quite for the reasons you'd expect.

The native app is the quiet advantage. Scheduling, charge history, power sharing across up to six units on a single circuit, over-the-air updates: all handled in the app you already use for the car. The S&P's app works, but it's a second app, doing a job the car's software already wants to do. On a fixed off-peak window like Octopus Go or E.ON Next Drive, the Tesla sets once and forgets. The 7.3-metre cable reaches round awkward driveways where the S&P's 5-metre tether won't.

Where the Tesla runs out of road is variable pricing and solar. It doesn't chase half-hourly rates on Octopus Agile, and it won't route surplus PV into the car without extra hardware. The S&P handles smart-tariff scheduling and is solar-compatible out of the box. Neither charger is the right answer for serious solar diversion, though — if that's the brief, the myenergi Zappi GLO is the page you should be reading. And if variable tariffs are the priority, the Ohme Home Pro at £535 does that job better than either of these.

The three-phase footnote

Both chargers offer 22kW three-phase variants. Fewer than one in twenty UK homes can use them, so for most readers this is academic. If your supply is three-phase and you want 22kW at home, the S&P's approved status and warranty make it the calmer long-term choice. The Tesla variant exists, but the installer network for S&P's three-phase builds is better documented.

Which to buy

Buy the Tesla Wall Connector (Gen 3) if:

• You drive a Tesla and want the native app, not a third-party one
• You have a driveway install where the £500 grant doesn't apply
• You need the 7.3-metre cable to reach an awkward parking spot

Buy the Simpson & Partners Home 7 if:

• You're a renter or flat owner claiming the £500 OZEV grant
• The charger is going somewhere visible and the finish matters
• You want a weatherproof IP54 enclosure with a ten-year warranty

On a wall, behind a Tesla, with a fixed off-peak tariff and no grant in play, the £478 Tesla Wall Connector is the right charger and the £171 saving stays in the reader's pocket. Every other scenario — grant, front-of-house, coastal weather, non-Tesla future car — moves the argument toward the Simpson & Partners. Confirm a local installer is familiar with it before committing; the network is real, but thinner than the household names.