Wastewater-only bills

Your water might be supplied by a different company. If so, we'll only bill you for taking water away. Below you can find our wastewater charges and details on the other water suppliers in our area.

About wastewater assessed charges

Usually, we'll base your wastewater bill on your water meter reading – this will be provided to us by the company who supply your drinking water.

If you don't have a meter, you'll switch from paying unmetered charges to paying assessed charges. These are calculated in various ways, for example the number of bedrooms in your home or based on single occupancy.

Where a wastewater-only customer receives an assessed measured charge for water services, we'll also switch that customer to assessed wastewater charges. In this situation, we use your water company's method of assessment to calculate your wastewater bill.

Each water company has its own method of calculating assessed measured charges. Therefore, our wastewater charges reflect those differences. If the number of occupants in your property changes, please inform your water company, who'll then inform us.

Who is your water company?

The map below shows the different water companies operating across the region we serve. Water UK also has a useful postcode checker that tells you who supplies your water and who takes away your wastewater.

Check your provider

Assessed charges for Affinity Water customers

We share around 70,000 customers with Affinity Water in the Folkestone and Dover area. The table below shows our charges for 2025-26 (1st April 2025 to 31st March 2026) and 2026-27 (1st April 2026 to 31st March 2027) for your area.

Number of occupants	Charges for year 25/26 (not including Surface Water Drainage charge)	Charges for year 25/26 (including Surface Water Drainage charge)	Charges for year 26/27 (not including Surface Water Drainage charge)	Charges for year 26/27 (including Surface Water Drainage charge)
1	£287.02	£327.90	£276.53	£326.53
2	£461.59	£502.47	£439.60	£489.60
3	£651.34	£692.22	£616.85	£666.85
4	£841.09	£881.97	£794.10	£844.10

Assessed charges for Bournemouth Water customers

We share around 30,000 customers with Bournemouth Water in Lymington and New Milton, near Southampton. The table below shows our charges for 2025-26 (1st April 2025 to 31st March 2026 and 2026-27 (1st April 2026 to 31st March 2027) for your area.

Number of occupants	Charges for year 25/26 (not including Surface Water Drainage charge)	Charges for year 25/26 (including Surface Water Drainage charge)	Charges for year 26/27 (not including Surface Water Drainage charge)	Charges for year 26/27 (including Surface Water Drainage charge)
1	£317.38	£358.26	£304.89	£354.89
2	£427.43	£468.31	£407.69	£457.69
3	£480.56	£521.44	£457.32	£507.32
4	£548.87	£589.75	£521.13	£571.13
5	£583.03	£623.91	£553.04	£603.04

Assessed charges for Cholderton and District Water

We share around 500 customers with Cholderton and District Water in Shipton Bellinger, near Andover. The table below shows our charges for 2025-26 (1st April 2025 to 31st March 2026) and 2026-27 (1st April 2026 to 31st March 2027) for your area.

Number of occupants	Charges for year 25/26 (not including Surface Water Drainage charge)	Charges for year 25/26 (including Surface Water Drainage charge)	Charges for year 26/27 (not including Surface Water and drainage charge)	Charges for year 26/27 (including Surface Water and drainage charge)
1	£268.04	£308.92	£258.80	£308.80
2	£480.56	£521.44	£457.32	£507.32
3	£689.29	£730.17	£652.30	£702.30
4	£901.81	£942.69	£850.82	£900.82
5	£1,110.53	£1,151.41	£1,045.79	£1,095.79
6	£1,323.05	£1,363.93	£1,244.31	£1,294.31

Assessed charges for Portsmouth Water

We share almost 300,000 customers with Portsmouth Water in the Portsmouth and Havant area. The table below shows our charges for 2025-26 (1st April 2025 to 31st March 2026) and 2026-27 (1st April 2026 to 31st March 2027) for your area.

Rate	Charges for year 25/26 (not including Surface Water Drainage charge)	Charges for year 25/26 (including Surface Water Drainage charge)	Charges for year 26/27 (not including Surface Water Drainage charge)	Charges for year 26/27 (including Surface Water Drainage charge)
Rate 1 (one bedroom property with a single occupant)	£252.86	£293.74	£237.53	£287.53
Rate 2 (all other properties)	£397.07	£437.95	£421.87	£471.87

Rate

Charges for year 25/26

(not including Surface Water Drainage charge)

Charges for year 25/26

(including Surface Water Drainage charge)

Charges for year 26/27

(not including Surface Water Drainage charge)

Charges for year 26/27

(including Surface Water Drainage charge)

Rate 1 (one bedroom property with a single occupant)

£252.86

£293.74

£237.53

£287.53

Rate 2 (all other properties)

£397.07

£437.95

£421.87

£471.87

Assessed charges for South East Water

We share over 500,000 customers with South East Water in parts of Hampshire, Kent and Sussex. Please note that after the introduction of One Bill, you'll only need to contact South East Water to make payments for both of the services you receive. The tables below shows our charges for 2025-26 (1st April 2025 to 31st March 2026) and 2026-27 (1st April 2026 to 31st March 2027) for your area.

If you're a South East Water customer and have a water meter, you can find out how we calculate South East Water customer's sewerage charges at the bottom of this page.

Assessed charges – East region

Number of occupants	Charges for year 25/26 (not including Surface Water Drainage charge)	Charges for year 25/26 (including Surface Water Drainage charge)	Charges for year 26/27 (not including Surface Water Drainage charge)	Charges for year 26/27 (including Surface Water Drainage charge)
Reduced single occupier	£176.96	£217.84	£173.72	£223.72
Single occupier	£237.68	£278.56	£230.44	£280.44
1	£294.61	£335.49	£283.62	£333.62
2	£389.48	£430.36	£372.24	£422.24
3	£495.74	£536.62	£471.50	£521.50
4	£567.85	£608.73	£538.86	£588.86

Assessed charges – West region

Number of occupants	Charges for year 25/26 (not including Surface Water Drainage charge)	Charges for year 25/26 (including Surface Water Drainage charge)	Charges for year 26/27 (not including Surface Water Drainage charge)	Charges for year 26/27 (including Surface Water Drainage charge)
Reduced single occupier	£180.76	£221.64	£177.27	£227.27
Single occupier	£241.48	£282.36	£233.99	£283.99
1	£298.40	£339.28	£287.16	£337.16
2	£412.25	£453.13	£393.51	£443.51
3	£507.13	£548.01	£482.14	£532.14
4	£594.41	£635.29	£563.67	£613.67

Assessed charges for SES Water

We share around 17,000 customers with SES Water in the Lingfield and Edenbridge area. The table below shows our charges for 2024-25 (1st April 2024 to 31st March 2025) and 2025-26 (1st April 2025 to 31st March 2026) for your area.

Number of occupants	Charges for year 24/25 (not including Surface Water Drainage charge)	Charges for year 24/25 (including Surface Water Drainage charge)	Charges for year 25/26 (not including Surface Water Drainage charge)	Charges for year 25/26 (including Surface Water Drainage charge)
Single occupier	£165.68	£191.66	£260.45	£301.33
Multiple occupier	£224.74	£250.72	£351.53	£392.41

Number of occupants

Charges for year 24/25

(not including Surface Water Drainage charge)

Charges for year 24/25

(including Surface Water Drainage charge)

Charges for year 25/26
(not including Surface Water Drainage charge)

Charges for year 25/26
(including Surface Water Drainage charge)

Single occupier

£165.68

£191.66

£260.45

£301.33

Multiple occupier

£224.74

£250.72

£351.53

£392.41

Assessed charges for Thames Water

We share around 10,000 customers with Thames Water in the Dartford and Godalming areas. The table below shows our charges for 2025-26 (1st April 2025 to 31st March 2026) and 2026-27 (1st April 2026 to 31st March 2027) for your area.

Number of bedrooms	Charges for year 25/26 (not including Surface Water Drainage charge)	Charges for year 25/26 (including Surface Water Drainage charge)	Charges for year 26/27 (not including Surface Water Drainage charge)	Charges for year 26/27 (including Surface Water Drainage charge)
Single occupier	£355.33	£396.21	£340.34	£390.34
1	£419.84	£460.72	£400.60	£450.60
2	£446.41	£487.29	£425.42	£475.42
3	£499.54	£540.42	£475.05	£525.05
4	£541.28	£582.16	£514.04	£564.04
5+	£598.21	£639.09	£567.22	£617.22

Assessed charges for Wessex Water

We share around 4,000 customers with Wessex Water in Ludgershall, near Andover. The table below shows our charges for 2025-26 (1st April 2025 to 31st March 2026) and 2026-27 (1st April 2026 to 31st March 2027) for your area.

Number of occupants	Charges for year 25/26 (not including Surface Water Drainage charge)	Charges for year 25/26 (including Surface Water Drainage charge)	Charges for year 26/27 (not including Surface Water Drainage charge)	Charges for year 26/27 (including Surface Water Drainage charge)
1	£249.07	£289.95	£230.44	£280.44
2	£366.71	£407.59	£333.25	£383.25
3	£442.61	£483.49	£407.69	£457.69
4	£503.33	£544.21	£464.41	£514.41
5	£586.82	£627.70	£542.40	£592.40
6	£658.93	£699.81	£606.21	£656.21
7	£719.65	£760.53	£662.93	£712.93
8	£784.16	£825.04	£719.65	£769.65

Frequently asked questions

Here you can find answers to some commonly asked questions about wastewater-only bills.

Will I get separate bills for water and wastewater?

Many of our customers who get water supply only or wastewater-only services from us will get two bills – one for each service from each company. However, in some areas you’ll get one bill for both services, even though different companies provide those services. If you’re unsure which company provides your water and wastewater services, you can check your supplier on Water UK's website.

If my water company installs a meter, how will this affect my wastewater charges?

Your water company will provide us with the meter details and we'll base our charges on the readings provided.

We can't meter the water that returns to the sewer for treatment because not all the water you use returns to the sewer. We've assessed the typical percentage return as 92.5% and so we bill based on a 'standard return to sewer' of this amount. This means that for every 100 cubic metres supplied, we'll bill for 92.5 cubic metre.

Who should I contact if I've a problem with the meter or the meter readings look high?

Please contact the company that supplies your water. If there are any problems with the meter that requires a change to your bill, we will be notified automatically.

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Billing and account enquiries

If you have any billing and account enquiries, you can get in touch on this number. Calls are charged at local rates Monday to Friday, 8am–6pm. Closed on Saturdays, Sundays and Bank Holidays.

Call: 0330 303 0277

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Wastewater-only bills