The Commission has curated a historical water and wastewater dataset to help build a more comprehensive picture of the UK's water industry and identify trends.
The Commission asked ICS Consultants, with the help of Professor John W. Sawkins of Herriot-Watt University and Professor David S. Saal of Loughborough University, to collate water and wastewater statistics from before a time where records were digitised. The resulting statistics from the pre-privatisation era are presented here and are available for all to download.
The data presented is up to date at the time of publication. Both Ofwat and DiscoverWater publish regular updates to this data.
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Average annual bill for total water services
Data showing the change in average household bills for water and sewerage services in real terms. The data series combines data from WaterFacts and Ofwat to provide a fuller picture of how water bills have changed between 1975 and 2021.View Data Set
Volume of water supplied
Data showing total water supplied (metered and unmetered) for England and Wales between 1961 and 2010.View Data Set
Data showing total capital expenditure by the water industry in England and Wales for both the pre and post privatisation periods.View Data Set
Percentage of properties with water meters installed in England
Data showing the percentage of properties with water meters installed in England over an extended time series.View Data Set