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Estimates Only: This calculator provides estimates based on typical usage. Contact your water company for exact rates.
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FREE Welsh Water meter calculator (Dŵr Cymru) for 2026. Check if a water meter will save you money. Serving Cardiff, Swansea, Newport and all of Wales.
Welsh Water Tip: Dŵr Cymru is a not-for-profit company - all profits are reinvested to improve services and keep bills low.
Calculate your potential savings with Welsh Water
Water meter calculator available
Water meter calculator available
Water meter calculator available
Water meter calculator available
Water meter calculator available
Water meter calculator available
Water meter calculator available
Water meter calculator available
Water meter calculator available
Water meter calculator available
Water meter calculator available
Water meter calculator available
Water meter calculator available
Water meter calculator available
Water meter calculator available
Water meter calculator available
Water meter calculator available
Water meter calculator available
Welsh Water is owned by Glas Cymru, a not-for-profit company, meaning lower bills and better value for customers.
Wales has plentiful water resources, resulting in lower water costs and competitive metered rates.
Welsh Water provides free water-saving devices and advice, helping metered customers reduce usage even further.
Welsh Water offers full bilingual support in Welsh and English. Mae Dŵr Cymru yn cynnig cefnogaeth ddwyieithog lawn yn Gymraeg a Saesneg.
Welsh Water customers typically save £90-150/year with a water meter. Single-person households save the most (up to £170/year), while couples save around £100/year. Use our Welsh Water meter calculator for personalized estimates.
Welsh Water's 2026 metered rates are approximately £1.75 per cubic metre for water supply and £1.55 per cubic metre for sewerage, plus a £40 annual standing charge. Wales has some of the lowest water rates in the UK.
Welsh Water (Dŵr Cymru) serves 3 million people across most of Wales and parts of Herefordshire and Deeside. Major areas include Cardiff, Swansea, Newport, Wrexham, Rhondda, and the Welsh valleys.
Yes, Welsh Water offers a 2-year 'Change of Mind' guarantee. If you're not saving money with a meter, you can switch back to unmetered billing within this period at no charge.
Yes, Welsh Water (Dŵr Cymru) installs water meters completely free of charge for household customers. They also offer free water-saving devices to help reduce your usage further.
Use our free Welsh Water meter calculator to check your savings. With a 2-year Change of Mind guarantee, there's absolutely no risk!