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Measured (Metered) Water Supplies (2024)

Metered water charges are calculated on the recorded amount of water passing through the property's meter

Water Charge (per m3 - cubic metre - 1000 litres)£1.22
Quarterly Standing Charge - Water (15mm* meter)£17.37
Wastewater Charge (90% of water usage)£2.34
Quarterly Standing Charge - Wastewater£29.93

* this is the size of a typical domestic meter

To learn more about the Wastewater Charge:

Wastewater Charge Information  

Unmeasured (Unmetered) Water Supplies (2024)

Unmeasured clean water charges are calculated using the Tax on Real Property (TRP) value of a domestic building (land, outbuildings and greenhouses are excluded from Guernsey Water's calculations).

Water Charge (per unit of TRP)£0.35
Quarterly Standing Charge - Water£17.37
Wastewater Charge (per unit of TRP)£0.62
Quarterly Standing Charge - Wastewater£29.93

Water supplies which include the following uses must be metered:

  • Unattended garden hoses, garden sprinklers or automatic irrigation
  • The filling or topping up of swimming pools, spa pools or jacuzzis
  • Substantial building or construction works
  • Any commercial use

It is the customer's duty to inform Guernsey Water of any use of water for the purposes listed above

Cesspit Emptying Rates (2024)

Subsidised single load rate: £9.09

Standard single load rate: £27.18

There may be times where you require an emergency collection, if, for example, your cesspit is at risk of overflowing as the result of increased water usage. Emergency collections can be arranged by calling 229500 anytime of day. An emergency collection will be collected within 4 hours of being reported. Call outs for emergency collections are charged at £47.00 during working hours and £112.00 outside of working hours (2024 rate).

Customers with no wastewater facility

Customers with no drainage connection, either direct to the sewer or via cesspit are able to apply for a wastewater exemption. Applications can be made in writing to The Customer Liaison Team, PO Box 30, Brickfield House, St Andrew, GY1 3AS. Or via email to

New Water Services

New services are installed by Guernsey Water and connected onto the existing water main in the road. Once installed, this service is then connected onto the pipework on your property boundary. Pipework on your property must be laid ahead of the new service installation by yourself, or by a private contractor on your behalf. The cost of a new service is £1,629.00 (2023 rate).

Additional Services (2023 rates)

Water: Supply mains & service informationNo cost
Water: Supply mains & service information requiring a site visit£212.66
GPS & Surveys£319.00
Foul/Surface water: Supply connection & discharge informationNo cost
Foul/Surface water: Supply connection & discharge information requiring a site visit£212.68/
Cesspit information (whether a property has a cesspit or not, and current emptying history)No cost
Resolving meter mix-ups (in the event that the property naming/numbering is altered post-connection without written notification to Guernsey Water)At hourly rate*
Water reconnection during working hours1£55.50
Water reconnection outside of working hours1£111.00
Flow & pressure test£54.39
High usage investigations/loss of water< 30 minutes: No cost
> 30 minutes: £81.58
Advice on drainage & surface water issues & designsAt hourly rate2
Producing previous invoices

< 12 months-worth: No cost

> 12 months-worth: £39.82

* £54.39.00 per hour

1 8:30am - 4:30pm

2 Minimum charge of £108.78

Please note that all requests for the above services must be made either in writing to Guernsey Water, or by email to

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- Guernsey Water charges

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