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Wastewater-only bills

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

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Wastewater charges for unmetered properties

This map shows the areas of operation for the different water companies in our region. You can also use our postcode checker find out who your supplier is and who provides your wastewater services.

Usually, we'll base your wastewater bill on your water meter reading – this will be provided to us by your water company. If it's not possible to meter your water supply, 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 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 independent 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.

Assessed charges for Affinity Water customers

We share around 70,000 customers with Affinity Water in the Folkestone and Dover area.

Number of occupants

Charges for year 23/24

(not including Surface Water Drainage charge)

Charges for year 23/24

(including Surface Water Drainage charge)

Charges for year 24/25

(not including Surface Water Drainage charge)

Charges for year 24/25

(including Surface Water Drainage charge)

1 £161.67 £184.67 £182.91 £208.89
2 £261.76 £284.76 £296.11 £322.09
3 £370.56 £393.56 £419.16  £445.14
4 £479.36 £502.36 £542.21 £568.19

 

Assessed charges for Bournemouth Water customers

We share around 30,000 customers with Bournemouth Water in Lymington and New Milton, near Southampton.

Number of occupants

Charges for year 23/24

(not including Surface Water Drainage charge)

Charges for year 23/24

(including Surface Water Drainage charge)

Charges for year 24/25

(not including Surface Water Drainage charge)

Charges for year 24/25

(including Surface Water Drainage charge)

1 £168.19 £191.19 £190.29 £216.27
2 £250.88 £273.88 £273.96 £299.94
3 £283.52 £306.52 £308.42 £334.40
4 £324.87 £347.87 £352.71 £378.69
5 £353.15 £376.15 £374.86 £400.84

 

Assessed charges for Cholderton and District Water

We share around 500 customers with Cholderton Water in Shipton Bellinger, near Andover.

Number of occupants

Charges for year 23/24

(not including Surface Water Drainage charge)

Charges for year 23/24

(including Surface Water Drainage charge)

Charges for year 24/25

(not including Surface Water and drainage charge)

Charges for year 24/25

(including Surface Water and drainage charge)

1 £150.79 £173.79 £170.60 £196.58
2 £272.64 £295.64 £308.42 £334.40
3 £392.32 £415.32 £443.77 £469.75
4 £514.18 £537.18 £581.59 £607.57
5 £633.86 £656.86 £716.94 £742.92
6 £755.71 £778.71 £854.76 £880.74

 

Assessed charges for Portsmouth Water

We share almost 300,000 customers with Portsmouth Water in the Portsmouth and Havant area.

 

Rate

Charges for year 23/24

(not including Surface Water Drainage charge)

Charges for year 23/24

(including Surface Water Drainage charge)

Charges for year 24/25

(not including Surface Water Drainage charge)

Charges for year 24/25

(including Surface Water Drainage charge)

Rate 1 (one bedroom property with a single occupant) £139.91 £162.91 £158.30 £184.28
Rate 2 (all other properties) £222.59 £245.59 £249.35 £275.33

 

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.

Assessed charge​s – East region

Number of occupants

Charges for year 23/24

(not including Surface Water Drainage charge)

Charges for year 23/24

(including Surface Water Drainage charge)

Charges for year 24/25

(not including Surface Water Drainage charge)

Charges for year 24/25

(including Surface Water Drainage charge)

Reduced single occupier £98.56 £121.56 £111.54 £137.52
Single occupier £133.38 £156.38 £150.91 £176.89
1 £166.02 £189.02 £187.83 £213.81
2 £220.42 £243.42 £249.35 £275.33
3 £281.35 £304.35 £318.26 £344.24
4 £322.69 £345.69 £365.02 £391.00

 

Assessed charge​s – West region

Number of occupants

Charges for year 23/24

(not including Surface Water Drainage charge)

Charges for year 23/24

(including Surface Water Drainage charge)

Charges for year 24/25

(not including Surface Water Drainage charge)

Charges for year 24/25

(including Surface Water Drainage charge)

Reduced single occupier £100.74 £123.74 £114.00 £139.98
Single occupier £135.55 £158.55 £153.37 £179.35
1 £168.19 £191.19 £190.29 £216.27
2 £233.47 £256.47 £264.12 £290.10
3 £287.87 £310.87 £325.64 £351.62
4 £337.92 £360.92 £382.25 £408.23

 

Assessed charges for Sutton & East Surrey Water

We share around 17,000 customers with Sutton & East Surrey Water in the Lingfield and Edenbridge area.

Number of occupants

Charges for year 23/24

(not including Surface Water Drainage charge)

Charges for year 23/24

(including Surface Water Drainage charge)

Charges for year 24/25

(not including Surface Water Drainage charge)

Charges for year 24/25

(including Surface Water Drainage charge)

Single occupier £148.61 £171.61 £165.68 £191.66
Multiple occupier £198.66 £221.66 £224.74 £250.72

 

Assessed charges for Thames Water 

We share around 10,000 customers with Thames Water in the Dartford and Godalming areas.

Number of bedrooms

Charges for year 23/24

(not including Surface Water Drainage charge)

Charges for year 23/24

(including Surface Water Drainage charge)

Charges for year 24/25

(not including Surface Water Drainage charge)

Charges for year 24/25

(including Surface Water Drainage charge)

Single occupier £200.83 £223.83 £227.20 £253.18
1 £237.83 £260.83 £269.04 £295.02
2 £253.06 £276.06 £286.27 £312.25
3 £283.52 £306.52 £320.72 £346.70
4 £307.46 £330.46 £347.79 £373.77
5+ £340.10 £363.10 £384.71 £410.69

 

Assessed charges for Wessex Water

We share around 4,000 customers with Wessex Water in Ludgershall, near Andover.

Number of occupants

Charges for year 23/24

(not including Surface Water Drainage charge)

Charges for year 23/24

(including Surface Water Drainage charge)

Charges for year 24/25

(not including Surface Water Drainage charge)

Charges for year 24/25

(including Surface Water Drainage charge)

1 £133.38 £156.38 £153.37 £179.35
2 £203.01 £226.01 £227.20 £253.18
3 £250.88 £273.88 £278.88 £304.86
4 £292.23 £315.23 £323.18 £349.16
5 £344.45 £367.45 £377.32 £403.30
6 £383.62 £406.62 £424.08 £450.06
7 £427.14 £450.14 £465.92 £491.90
8 £464.13 £487.13 £507.76 £533.74

 

Frequently asked questions

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

You receive two bills because the water and wastewater services to your property are supplied by two different companies. The water company that supplies your water will provide us with all the information we need to bill your metered 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.

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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