Postcode district outlook

Hosepipe ban in DA3

The hosepipe ban position for the DA3 postcode district — 354 live postcodes, served mostly by South East Water — checked against the national index on 19 August 2026. This is an index check, not a prediction.

The answer for DA3

Active

An official Temporary Use Ban is active for the South East Water supply area that covers most of DA3.

Postcodes
354
Primary supplier
South East Water
Share of district
100%
Sectors
3

Water-supply boundaries can cross postcode districts. View the official notice · Check an exact postcode for a definitive answer

Garden watering decision · DA3

Do not use a hosepipe

Hold off

A 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 · DA3 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 DA3

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.

  • South East Water

    Active100% of mapped units · high confidence · Full status page

Water resource zones near DA3

DA3 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 DA3 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

DA3 7 (178 postcodes)
DA3 8 (170 postcodes)
DA3 9 (6 postcodes)

Local reservoir outlook

The most recent published reservoir readings for the suppliers serving this district:

  • Ardingly Reservoir

    55.7% storage · observed 9 August 2026 · Detail

  • Arlington Reservoir

    67.2% storage · observed 9 August 2026 · Detail

Hosepipe ban rules for DA3

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.