Postcode district outlook
Hosepipe ban in NN15
The hosepipe ban position for the NN15 postcode district — 949 live postcodes, served mostly by Anglian Water — checked against the national index on 19 August 2026. This is an index check, not a prediction.
The answer for NN15
An official Temporary Use Ban is active for the Anglian Water supply area that covers most of NN15.
- Postcodes
- 949
- Primary supplier
- Anglian Water
- Share of district
- 100%
- Sectors
- 4
Water-supply boundaries can cross postcode districts. View the official notice · Check an exact postcode for a definitive answer
Garden watering decision · NN15
Do not use a hosepipe
Hold offA hosepipe restriction is active for this supply area. Follow your supplier’s notice and use only the watering methods it permits.
No weather-led watering estimate is being shown. This card updates automatically when a fresh forecast is published.
An official hosepipe restriction is currently active.
Estimate for an established mixed garden border · NN15 district
The answer compares the latest Met Office forecast with an estimated garden water need. It is guidance, not a precise measurement, and a hosepipe ban always takes priority.
Water suppliers covering NN15
The supplier split is mapped from the district’s centroid across the published water resource zones and is a guide, not an address-level guarantee.
Anglian Water
Active100% of mapped units · high confidence · Full status page
Water resource zones near NN15
NN15 maps to the water resource zone below. Zones are the official planning areas suppliers use to report how much water they have.
Find your exact postcode
Every live postcode in NN15 is listed below. Choose one to open its local water outlook, or use the search box to find a specific address.
Pick a postcode to open its local water outlook
NN15 4 (32 postcodes)
NN15 5 (385 postcodes)
NN15 6 (351 postcodes)
NN15 7 (181 postcodes)
Local reservoir outlook
The most recent published reservoir readings for the suppliers serving this district:
Alton Water
70.0% storage · observed 10 August 2026 · Detail
Ardleigh Water
68.0% storage · observed 10 August 2026 · Detail
Covenham Water
89.5% storage · observed 10 August 2026 · Detail
Grafham Water
72.6% storage · observed 10 August 2026 · Detail
Pitsford Water
69.7% storage · observed 10 August 2026 · Detail
Hosepipe ban rules for NN15
The rules that apply depend on your supplier’s notice. The general position: watering cans and buckets stay allowed, while a hosepipe connected to the mains is restricted during a Temporary Use Ban.
This is an index check, not a prediction. The postcode inventory comes from ONSPD Open Geography (onspd-latest-postcode-centroids), and the supplier split is mapped from district centroids. For a legally reliable answer for your address, use the exact-postcode checker or the supplier’s own checker.