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WattsWatt Postcode Checker

Use our Postcode Checker and save today!

Find the cheapest energy tariff for your household

Enter the first part of your postcode

Your tariff results:

Cost

Supplier:

Supplier

Tariff:

Tariff

We're searching thousands of tariffs across all suppliers

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Free service for all households

Free service for all households

We check all tariffs from all suppliers

Checks all tariffs from all suppliers

Fully indepedent and impartial

Fully independent and impartial

19.7 million households are overpaying for energy 

Sign up and save with WattsWatt.co.uk

Find out how the WattsWatt Smart Energy Database will help every household here

Launching soon...

Launching soon - our smart energy database will help every household

Watt's next?

Simply contact the supplier and request the new tariff.

Be sure to tell them you used WattsWatt.co.uk!

What else do you need to know?

  • We are only showing duel fuel tariffs (not single fuel).

  • We calculate tariffs' standing charge and unit rate based on the usage of a medium sized house.

  • The tariff you are seeing has the most competitive standing charges and unit rates.

  • Tariffs change all the time - if the tariff is no longer available, re-run the postcode checker.

Watt's next?

  1. Simply contact the new supplier and request the new tariff. They will do the rest for you.

  2. Tariffs change all the time, so move fast to secure this one. 

  3. Be sure to tell them you used WattsWatt.co.uk

Saving you money on your energy
Smart Energy Database

About the results

  • The results include dual fuel tariffs payable by monthly direct debit only (single rate, not day/night tariffs).

  • The tariff shown is the most competitive tariff available to you today. 

  •  The postcode checker is a short-term solution until we launch the full service very soon.

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