It varies by council, however the average council tax for a band
D house is £1,484 (15/16) or £148.50 (15/16) per month (usually
council tax paid over 10 months)
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Band A Council Tax is up to £40,000 in England, and up to
£44,000 in Wales.
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No - Dartford is not in London.
You pay your council tax to Dartford borough council and Kent
County Council (plus the Kent police and fire service) - not to
Boris.
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The council are able to ask the Court for a Liability Order (a liability order allows the council to deduct the Council Tax debt from your wages or benefits).