Postcode district outlook
Hosepipe ban in N4
The hosepipe ban position for the N4 postcode district — 872 live postcodes, served mostly by Thames Water — checked against the national index on 19 August 2026. This is an index check, not a prediction.
The answer for N4
No Temporary Use Ban is listed in the national index for N4. Thames Water is the primary supplier.
- Postcodes
- 872
- Primary supplier
- Thames Water
- Share of district
- 100%
- Sectors
- 5
Water-supply boundaries can cross postcode districts. View the official notice · Check an exact postcode for a definitive answer
Garden watering decision · N4
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 · N4 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 N4
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.
Thames Water
Active100% of mapped units · high confidence · Full status page
Water resource zones near N4
N4 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 N4 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
N4 1 (203 postcodes)
N4 2 (300 postcodes)
N4 3 (211 postcodes)
N4 4 (134 postcodes)
Hosepipe ban rules for N4
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.