Water charges and empty property

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Scenario: Empty un-furnished property with un-metered water mains.

According to Thames Water's website, the property is not liable for any water service charges and they will close the account upon notification.

Question: Will this mean that Thames Water will subsequently turn off the water supply as well?

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Appreciate the replies.

Follow-up question: Do you know if they will charge to close the account or re-activate once the property is inhabited?