The ongoing heatwave in the UK shows no signs of letting up soon, with temperatures hitting 30.1C in Hurn, Dorset, marking the ninth consecutive day surpassing 30C somewhere in the country. High 20Cs are expected to continue for the next ten days.
In 2026, there have been a total of 24 days when temperatures exceeded 30C in the UK, spread across May, June, and July. This matches the number of 30C-plus days recorded in 1976, a year known for its memorable heatwave and drought conditions.
The current hot spell not only prompts reflection on environmental fragility but also offers the perfect opportunity to enjoy a refreshing swim. To help you locate the nearest swimming spot, we have compiled a map of all the UK’s lidos.
During the peak of the late 1930s, Britain boasted over 300 operational public outdoor pools, including a significant number in cities like Liverpool and London. However, by the 1970s, many lidos were closing due to rising energy expenses and a shift towards indoor pool facilities.
By the year 2000, only around 130 public outdoor pools remained, primarily in southern England. The count of active lidos has shown little change over the following two decades, hovering around 130 to 160, depending on the inclusion of different pool types.
Although the current number of lidos is lower compared to the 1930s, there is a growing trend of lido restoration projects and some new pool constructions. Since 2021, more than 30 lido initiatives have emerged, supported by groups like the Future Lidos Group and heritage funding from lotteries.
Some notable lido revivals include Hampton Pool (1985 reopening), Cheltenham Lido (1996 reopening), and recent projects like Saltdean Lido in East Sussex and Tooting Bec Lido in south London.
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