Northern Ireland Water (NI Water) has announced the scheme of charges for water, sewerage, and other miscellaneous services that affect non-domestic customers. The following charges are effective from 1 April 2024.
Measured charges for 2024-25
Standing charges
| Supply pipe size | Water | Sewerage |
|---|---|---|
| Up to 20mm | £85 | £106 |
| 21-25mm | £144 | £179 |
| 26-40mm | £266 | £328 |
| 41-50mm | £419 | £516 |
| 51-75mm | £835 | £1,020 |
| 76-100mm | £1,515 | £1,848 |
| Over 100mm | £2,153 | £2,633 |
Variable charge
| Water | Sewerage | |
|---|---|---|
| Volumetric charge per m³ | £1.362 | £2.342 |
Unmeasured charges for 2024-25
| Unmeasured water | Unmeasured sewerage | |
|---|---|---|
| Standing charge | £39.88 | £55.52 |
| Variable charge per each £1,000 Net Annual Value | £15.31 | £20.90 |
| Charge cap | £600 | £645 |
Standard rated and standard unrated charges for 2024-25
| Standard Rated | Water | Sewerage |
|---|---|---|
| Standing charge | £79.76 | £111.04 |
| Standard Unrated Charge | Water | Sewerage |
| Standard charge | £79.76 | £111.04 |
| Set volumetric charge | £175.90 | £287.34 |
Further information on 2024-25 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 [email protected].
Download NI Water’s summary of charges for non-domestic customers 2024-25