Non-domestic water and sewerage charges from April 2022

News article

Non-domestic water and sewerage charges increase from 1 April 2022

Northern Ireland Water (NI Water) has announced the scheme of charges for water, sewerage and other miscellaneous services that affect non-domestic customers.

Measured charges for 2022-23

Standing charges

Supply pipe size Water Sewerage
Up to 20mm £73 £90
21-25mm £124 £151
26-40mm £229 £278
41-50mm £361 £437
51-75mm £719 £864
76-100mm £1,304 £1,565
Over 100mm £1,854 £2,230


Variable charge

  Water Sewerage
Volumetric charge per m³ £1.173 £1.983


Unmeasured charges for 2022-23

  Unmeasured water Unmeasured sewerage
Standing charge £33.31 £46.38
Variable charge per each £1,000 Net Annual Value £12.79 £17.46
Charge cap £500 £540


Assessed charges for 2022-23

  Assessed water Assessed sewerage
Standing charge £66.62 £92.75
Variable charge per loading unit £6.31 £10.13


Further information on 2022-23 water and sewerage charges

Anyone with questions about their bill or charges can contact the NI Water Billing Enquiries Team on Tel 03458 770030 or by emailing customer.billing@niwater.com.

Download NI Water’s summary of charges for non-domestic customers 2022-23 (PDF, 552K).

First published 25 April 2022