Stormwater fee credits · England

Thames Water Surface Water Drainage Rebate

Run by Thames Water Utilities Limited

OpenLast checked October 22, 2026
What you get
Surface water drainage element removed from your wastewater charges, backdated up to six years
Who qualifies
Thames Water wastewater customers who are paying for surface water drainage but whose property is not connected to the public sewer for surface water.
Where
Thames Water wastewater customers in London and the Thames Valley.
Status
Open. Ongoing.
Type of payment
Fee credit
Official program page

What you do

Show that rainwater from your roof, driveway and garden goes to a soakaway or stream instead of the public sewer, and claim a rebate of the surface water part of your wastewater charges.

Requirements

  • Surface water must not drain to the public sewer (for example it goes to a soakaway or nearby stream)
  • Your bill shows whether you are charged for surface water or already get a rebate
  • Supporting documents are needed, such as new build plans or invoices for building work

How to apply

  1. 1Check where your gutters lead; a nearby manhole cover suggests a sewer connection
  2. 2Check your bill to see whether you are charged for surface water
  3. 3Gather supporting evidence
  4. 4Apply for a surface water drainage rebate through the Thames Water website

Sources

Last checked October 22, 2026. See something out of date? Tell us.

Sow is not affiliated with any of these agencies or utilities. Amounts and rules change, often at the start of a fiscal year, so confirm the details on the official page before you start a project. How we research these programs

Free to cite

Quote it with credit and a link to this page. The amounts and rules come from Thames Water's official page, linked above, so check it before you publish.

Source: Sow, “Thames Water Surface Water Drainage Rebate,” Yard rebates directory, checked October 22, 2026, https://www.usesow.com/rebates/england/thames-water-surface-water-drainage-rebate

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