From 2023 to mid-2025, Southwark, Camden, and Islington borough councils reported the highest rat infestations in London, with 44,257, 9,133, and 6,567 infestations respectively. Drain Detectives, through Freedom of Information requests, uncovered a total of 118,593 rat infestations across London. Data from 13 borough councils was missing. Kingston upon Thames reported the lowest number at 272. London had the highest infestations in the UK, followed by the North West and Scotland. Recent reports also indicate the emergence of significant rat incidents nationally, including a viral 22-inch rat discovery in North Yorkshire.
The data reveals that Southwark Borough Council had the highest report, with 44,257 rat infestations from 2023 to mid-2025, followed by Camden and Islington.
A total of 118,593 rat infestations were reported across London between 2023 and mid-2025, according to FOI requests submitted by Drain Detectives.
Kingston upon Thames recorded the lowest number of rat infestations, with only 272 reported during the same period, highlighting regional disparities in infestation.
The report underscores London as the region with the highest number of rat infestations in the UK, followed by the North West and Scotland.
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