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Postcode Checker

Are you in a constraint zone?

Enter the postcode of your flexibility site in the box below. 

Note: Postcode data can't always be 100% accurate in relation to our network area boundaries.  Contact us via email to check any sites you are unsure of.

An excel spreadhseet of qualifying postcodes is available to download here.  

Please enter a valid postcode.


Sorry, it appears you are not within one of our zones.

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