We calculate your site area charging band using a number of information sources, from our own digital mapping systems to publically available Ordnance Survey maps.
To determine your chargeable area, we:
Once your chargeable area is calculated, a site area charging band is assigned to your premises. This determines how much you pay for your surface water drainage charges.
Please note: Any area that has a surface water connection to a public sewer, even if it is permanently grassed, cultivated or landscaped will still be chargeable and included in the measurement of the chargeable area. Public highways are excluded from our measurements where they fall within the site boundaries.
Our efficiency pages contain lots of information and tips on how you can save.
If you are unable to access your map, you think we have put your premises in the wrong site area charging band, or have any other questions about your chargeable area, please contact us online or call us on 0345 072 6072.
Enter your postcode below - including the space, and we’ll have a quote for you in no time.