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Best outdoor Wi-Fi socket: which of these three fits the job

Updated: 23 October 2026

You searched for the best outdoor Wi-Fi socket and you want one name. In this amazon.co.uk set there is not a UK-wide winner, and a star sort points at the wrong job. Meross MSS620HK-UK is the row when you already have a socket and you want Apple Home. British General WP22/HC-01 or Knightsbridge OP9KW is the row when you are swapping a wall double. Prices and stored stars are on the [outdoor Wi-Fi socket comparison](/hub/sockets-and-extension-leads/outdoor-wi-fi-socket). We did not run a lab test. A purchase through our links can earn a commission at no extra cost to you.

You searched for the best outdoor Wi-Fi socket and you want one name. In this amazon.co.uk set there is not a UK-wide winner, and a star sort points at the wrong job.

Our top picks

Meross Meross outdoor smart plug, MSS620HK-UK

Best overall

Meross Meross outdoor smart plug, MSS620HK-UK
8.6/10about £39.99
View offer
Knightsbridge Knightsbridge outdoor double, OP9KW

Alternative

Knightsbridge Knightsbridge outdoor double, OP9KW
8.0/10about £33.29
View offer
British General BG Smart weatherproof double, WP22/HC-01

Best value

British General BG Smart weatherproof double, WP22/HC-01
7.6/10about £29.99
View offer
On this page
  1. 1.Why a star sort misleads
  2. 2.When the Meross plug is the row
  3. 3.When a wall box is the row
  4. 4.Who should leave

Why a star sort misleads

The stored star lines are not an order of best. Meross has the highest stars, 4.2 from 474, and it is a plug-in IP44 block. BG has the lowest, 3.7 from 183, and the first 50 UK reviews are mostly pairing, not a measured rate of dead sockets. Knightsbridge is 3.9 from 934, the largest sample. Sorting by stars hides the wall job. On 21 October 2026 the Meross page still showed £39.99, and this comparison keeps 4.2 from 474. The checklist is on the buying guide.

When the Meross plug is the row

Choose the Meross MSS620HK-UK when the socket is already on the wall, the household is Apple Home, and the load is lights. The listing prints HomeKit on iOS 13 or above, the Meross app, Alexa, Google Assistant, and SmartThings. Remote control needs another Apple device, such as an iPad, a HomePod, or an Apple TV. It is 13 A, 240 V, Type G, and 2.4 GHz only. It is the top pick for that plug-in HomeKit job. Skip it for a pump, a higher IP claim, or a wall box. The bullet says not to use it for a pump, and to cover the socket when it is idle. The rating is IP44. The lead is described as very short, including one review of about 10 cm. Use IP44.
Meross Meross outdoor smart plug, MSS620HK-UK

Testsieger

Meross Meross outdoor smart plug, MSS620HK-UK
8.6/10about £39.99
View offer

When a wall box is the row

Choose a wall box when you are replacing a wired double and you do not need HomeKit. BG at £29.99 is the best value on price: IP66 in the bullet, BG Home, Alexa, Hey Google, and Siri, with no hub and no subscription. The lower star line is the pairing pattern. Do not read Siri as Apple Home. The family sheet says Siri Shortcuts. Screwfix's trade row says the family does not work with Apple HomeKit. A figure of 3,120 W is on that sheet, not on the amazon file. Choose Knightsbridge at £33.29 when you already use Tuya SmartLife. The instructions say SmartKnight, while the listing says Tuya SmartLife, and the bullet bars EV charging and long high loads. App names are on the HomeKit versus Tuya page.

Who should leave

Leave if the job is a Wi-Fi extender, a key-fob, or a car charger. Screwfix lists the BG WP22WR as not smart. Knightsbridge's bullet takes EV charging off the table. The Meross listing forbids a pump. There is no lab test behind these conditional answers. The top pick is the Meross plug for a HomeKit job on a socket you already have. The best value is the BG wall box at £29.99 if you can pair on 2.4 GHz and you do not need Apple Home. Knightsbridge is the wall row when Tuya is already the household app and you accept the SmartKnight mismatch.

Common questions

Which row is for Apple Home?
The Meross plug, B08BFFGH5J, at £39.99. It is the only listing here that prints HomeKit, on iOS 13 or above, and it says remote control needs another Apple device. BG names Siri, which the sheet narrows to Siri Shortcuts. Knightsbridge's amazon bullets name Alexa and Google. If Apple Home is the requirement, the wall boxes are the skip.
Which row is the wall swap if I use Alexa or Google?
Either wall box, with a condition. BG at £29.99 uses BG Home and names Alexa and Hey Google, and the first 50 UK reviews are heavy on 2.4 GHz pairing. Knightsbridge at £33.29 uses Tuya SmartLife in the bullets and has 3.9 from 934 reviews, with SmartKnight on the instructions. Neither is a HomeKit accessory. Pick the app you will actually open.
Why is the cheapest row not the star leader?
BG is £29.99 and 3.7 from 183. The first 50 UK texts are mostly setup: 5 GHz left on, the BG app failing for some buyers, and drop-offs after a period of working. That pattern pulls the stars down. It is not a counted failure rate for every unit, and it does not make the £39.99 plug the right wall box.
Can I charge a car on the OP9KW?
The Knightsbridge bullet says it is not suitable for EV charging or for high-load devices running for long periods, with hot tubs as the example. The compatible-devices field still says lights, pumps, and small appliances. A car charger is outside the bullet. Do not treat a 13 A outdoor socket as a charge point because the app can schedule it.
Can I run a pump on the Meross plug?
The Meross bullet says not to use it for a pump. Reviewers talk about garden lights and Christmas lights, not a pumped load this listing allows. Knightsbridge's compatible-devices field names pumps, while its bullet bars long high loads. If the pump is the job, this plug is the wrong row, and the wall listing still needs the load line read in both places.

Related pages

How to set up an outdoor Wi-Fi socket

Outdoor Wi-Fi socket

Outdoor Wi-Fi socket UK: what to check before you buy

HomeKit outdoor socket UK: Meross against Tuya and BG

Outdoor smart plug vs wall socket: IP44 or IP66 box

Sources

Sources taken from the research digest. Listings were scored from stored amazon.co.uk pages. A price check on 21 October 2026 still showed £39.99 on the Meross page. This page did not run a lab test.

  1. NICEIC — Gardens and electrics (retrieved 21.10.2026)
  2. IET — Part P FAQs (retrieved 21.10.2026)
  3. Electrical Equipment (Safety) Regulations 2016, regulation 35 (retrieved 21.10.2026)
  4. GOV.UK — Approved Document P (retrieved 21.10.2026)
  5. BEAMA — Guide to IP codes (retrieved 21.10.2026)
  6. British General — WP22/HC data sheet (retrieved 21.10.2026)
  7. British General — Smart FAQ (retrieved 21.10.2026)
  8. ML Accessories — OP9KW (retrieved 21.10.2026)