Free UK delivery · 30-day money-back guarantee · Official WattLock website
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Buy the WattLock Energy Saver

Official UK store · Updated October 2026

Order the genuine WattLock Energy Saver direct from the official UK website. Choose your bundle, pay on our secure checkout and we'll deliver free to your UK address.

Quick answer

Buy WattLock only at wattlock.co.uk: £39 for one, £59 for two, £78 for three or £117 for four. VAT included, free tracked UK delivery and a 30-day money-back guarantee.

Choose your bundle

Up to 62% off
2 × WattLock
£59.00
UK delivery (tracked)
FREE
Total (VAT included)
£59.00
  1. 1Enter delivery address
  2. 2Pay securely
  3. 3Dispatched with tracking

Free UK delivery

  • Visa
  • Mastercard
  • American Express
  • Apple Pay
  • Google Pay

30-day money-back guarantee. Not happy? Send it back for a full refund. Read the terms. Secure Shopify checkout, prices include VAT.

Free UK delivery

Tracked, dispatched from the UK

30-day money back

Not happy? Full refund

Fits in 10 seconds

No electrician, no app

Why buy from the official WattLock store?

Genuine WattLock

Sold only here – not a lookalike 'energy saving box'.

Lowest bundle prices

From £39, or £26 each in the 3-pack. VAT included.

Free tracked UK delivery

Usually dispatched within 1–2 working days.

Secure checkout

Card, Apple Pay or Google Pay on Shopify's encrypted checkout.

30-day money-back

Try it at home. Not happy? Full refund.

UK email support

Help choosing a bundle and after you buy.

Which bundle for my home?

One WattLock covers one socket circuit. Pick the card that matches your home, or check your fuse box in a minute.

WattLock prices

WattLock Energy Saver bundle prices in GBP
BundleWasNowYou savePer unit
1 × WattLock£78£39£39 (50%)£39
2 × WattLockMost popular£156£59£97 (62%)£29.50
3 × WattLockBest value£234£78£156 (67%)£26
4 × WattLock£312£117£195 (63%)£29.25

See the full breakdown on our WattLock price UK page.

How ordering works

  1. 1

    Choose your bundle

    1, 2, 3 or 4 units – one per socket circuit.

  2. 2

    Press Secure checkout

    Enter your UK delivery address.

  3. 3

    Pay securely

    Card, Apple Pay or Google Pay. You get a confirmation email straight away.

  4. 4

    Plug in and relax

    Fit one per socket circuit and look for the green light. You have 30 days to decide.

After you order

Orders are usually dispatched within 1–2 working days and you'll get tracking by email. When your parcel arrives, check your fuse box, plug one WattLock into a socket on each socket circuit and look for the green light – see how to use WattLock. If you change your mind, you have 30 days to request a refund – see returns.

WattLock units packed for UK delivery
Orders are packed and sent with free tracked UK delivery.

Avoid fake WattLock

Read more: WattLock official website and Is WattLock on Amazon or eBay?

Order WattLock

Up to 62% off
2 × WattLock
£59.00
UK delivery (tracked)
FREE
Total (VAT included)
£59.00
  1. 1Enter delivery address
  2. 2Pay securely
  3. 3Dispatched with tracking

Free UK delivery

  • Visa
  • Mastercard
  • American Express
  • Apple Pay
  • Google Pay

30-day money-back guarantee. Not happy? Send it back for a full refund. Read the terms. Secure Shopify checkout, prices include VAT.

Buying questions

Only on the official UK website, wattlock.co.uk. It isn't sold in shops, on Amazon or on eBay.

£39 for 1, £59 for 2, £78 for 3 and £117 for 4. VAT is included and UK delivery is free.

One unit per socket circuit. Most 2–3 bed houses choose the 2-pack; the 3-pack is the best value per unit.

By Visa, Mastercard, American Express, Apple Pay or Google Pay on Shopify's secure checkout.

Orders are usually dispatched within 1–2 working days with free tracked UK delivery.

Not at the moment – we only deliver to UK addresses.

Yes. Email us within 30 days of delivery for a full refund under our money-back guarantee.

No code is needed – bundle discounts are applied automatically on the official website.

Not sure which bundle to pick? Email our UK support team and we'll help.

Email us
Order WattLock – from £39