Cost of living
Water supply
9.0%
2026 AUG · ■ 0.0pp vs previous
Ageing · as of 16 Sept 2026due in 9d
26d old · Monthly, mid-month
Explained
Water supply: the official figure explained
This Office for National Statistics series reports the annual Consumer Prices Index (CPI) rate for water supply.
What changed
Since previous release
0 pts
vs 2026 JUL
Over 1 year
-17.4 pts
vs 2025 AUG
Over 10 years
+8.1 pts
vs 2016 AUG
Worked out from published values only. Missing comparisons mean that period was not published.
What it measures
The series measures the annual rate of change in consumer prices for water supply. It is part of CPI class 04.4.1 and sits within the cost of living category.
Who publishes it and how
The Office for National Statistics publishes the series monthly, with publication scheduled for mid-month. The supplied source is an ONS time series page.
How to read it
Read this as an annual rate of price change for water supply, rather than a water bill amount. Although the series is published monthly, the measure describes annual change, not change from the previous month.
Caveats
The supplied information does not include a publisher note or details of how the rate is calculated.
Methodology
Office for National Statistics — original publicationUKStats reproduces the published figure exactly; the publisher's own methodology notes are the authoritative description of how it is compiled.
Cite this figure
Office for National Statistics, "Water supply", 2026 AUG. Via UKStats (ukstats.co.uk/explained/uk-cpi-water), accessed 12 October 2026. Original: https://www.ons.gov.uk/economy/inflationandpriceindices/timeseries/d7i5/mm23Embed this figure
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