According to Freedom of Information data obtained by property firm Sell House Fast, Hackney Council has accumulated more than £71.7 million in unpaid council tax, putting it in fifth place nationally.
Brent Council is in sixth place with around £70 million owed.
Newham and Enfield councils follow closely behind, with £64.6 million and £63.4 million respectively.
Across the UK, over 4.4 million council tax bills have gone unpaid, resulting in a total debt of more than £4.4 billion.
This has pushed over one million people into the hands of bailiffs.
Liverpool City Council tops the list with the highest unpaid council tax debt of more than £361 million.
Birmingham City Council comes next with £194 million, followed by Hillingdon Borough Council at £114 million.
A survey by Sell House Fast revealed that the number of cases referred to court for liability order issuance rose by 14 per cent from 2022/23 to 2023/24.
Critics have described many of these cases as being decided in ‘secret courts’, leaving debtors unaware of the proceedings against them.
Councils are increasingly relying on bailiffs, with referrals rising sharply by 21 per cent, reaching nearly 1.3 million cases in 2023/24.
