Postcode district outlook

Hosepipe ban in CB3

The hosepipe ban position for the CB3 postcode district — 411 live postcodes, served mostly by Cambridge Water — checked against the national index on 19 August 2026. This is an index check, not a prediction.

The answer for CB3

No ban listed

No Temporary Use Ban is listed in the national index for CB3. Cambridge Water is the primary supplier.

Postcodes: 411
Primary supplier: Cambridge 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 · CB3

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 · CB3 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.

Enter your complete postcode for a more precise result

Water suppliers covering CB3

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.

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

Water resource zones near CB3

CB3 maps to the water resource zone below. Zones are the official planning areas suppliers use to report how much water they have.

Cambridge

Find your exact postcode

Every live postcode in CB3 is listed below. Choose one to open its local water outlook, or use the search box to find a specific address.

Search postcodes in CB3

Pick a postcode to open its local water outlook

CB3 0 (234 postcodes)

CB3 0AA CB3 0AD CB3 0AE CB3 0AF CB3 0AG CB3 0AH CB3 0AJ CB3 0AL CB3 0AN CB3 0AP CB3 0AQ CB3 0AS CB3 0AT CB3 0AX CB3 0AY CB3 0AZ CB3 0BB CB3 0BD CB3 0BE CB3 0BG CB3 0BH CB3 0BJ CB3 0BL CB3 0BN CB3 0BP CB3 0BQ CB3 0BS CB3 0BT CB3 0BU CB3 0BW CB3 0BX CB3 0BY CB3 0BZ CB3 0DB CB3 0DD CB3 0DE CB3 0DF CB3 0DG CB3 0DH CB3 0DL CB3 0DN CB3 0DP CB3 0DQ CB3 0DR CB3 0DS CB3 0DT CB3 0DU CB3 0DW CB3 0DX CB3 0DY CB3 0DZ CB3 0EA CB3 0EE CB3 0EF CB3 0EG CB3 0EH CB3 0EJ CB3 0EL CB3 0EN CB3 0EP CB3 0EQ CB3 0ES CB3 0ET CB3 0EU CB3 0EW CB3 0EX CB3 0EY CB3 0EZ CB3 0FA CB3 0FD CB3 0FF CB3 0FH CB3 0FN CB3 0FS CB3 0FT CB3 0FU CB3 0FW CB3 0FY CB3 0FZ CB3 0GJ CB3 0GL CB3 0GP CB3 0GQ CB3 0GS CB3 0GT CB3 0GU CB3 0GX CB3 0GY CB3 0GZ CB3 0HA CB3 0HB CB3 0HD CB3 0HE CB3 0HF CB3 0HH CB3 0HL CB3 0HN CB3 0HP CB3 0HR CB3 0HS CB3 0HT CB3 0HU CB3 0HW CB3 0HX CB3 0HY CB3 0HZ CB3 0JA CB3 0JB CB3 0JD CB3 0JE CB3 0JG CB3 0JH CB3 0JJ CB3 0JN CB3 0JP CB3 0JR CB3 0JS CB3 0JT CB3 0JW CB3 0JX CB3 0JY CB3 0JZ CB3 0LB CB3 0LD CB3 0LE CB3 0LF CB3 0LG CB3 0LH CB3 0LJ CB3 0LL CB3 0LN CB3 0LQ CB3 0LS CB3 0LT CB3 0LU CB3 0LW CB3 0LX CB3 0LY CB3 0LZ CB3 0NA CB3 0ND CB3 0NE CB3 0NF CB3 0NG CB3 0NH CB3 0NJ CB3 0NL CB3 0NN CB3 0NP CB3 0NQ CB3 0NR CB3 0NS CB3 0NW CB3 0NY CB3 0PA CB3 0PB CB3 0PD CB3 0PE CB3 0PF CB3 0PG CB3 0PH CB3 0PJ CB3 0PL CB3 0PN CB3 0PP CB3 0PQ CB3 0PR CB3 0PS CB3 0PT CB3 0PU CB3 0PW CB3 0PX CB3 0PZ CB3 0QA CB3 0QB CB3 0QD CB3 0QE CB3 0QF CB3 0QG CB3 0QH CB3 0QL CB3 0QN CB3 0QQ CB3 0QR CB3 0QW CB3 0QX CB3 0QZ CB3 0RA CB3 0RB CB3 0RD CB3 0RS CB3 0RU CB3 0RX CB3 0RY CB3 0RZ CB3 0SJ CB3 0SZ CB3 0TE CB3 0TX CB3 0UB CB3 0UD CB3 0UE CB3 0UF CB3 0UG CB3 0UH CB3 0UL CB3 0UN CB3 0UP CB3 0UQ CB3 0UR CB3 0US CB3 0UT CB3 0UW CB3 0UX CB3 0UZ CB3 0WA CB3 0WB CB3 0WS CB3 0WT CB3 0WU CB3 0WW CB3 0XA CB3 0XB CB3 0XF CB3 0XU CB3 0XX CB3 0YG CB3 0YJ CB3 0YP CB3 0YQ CB3 0YR CB3 0YW CB3 0YZ CB3 0ZF

CB3 1 (40 postcodes)

CB3 1AA CB3 1AB CB3 1AD CB3 1AE CB3 1AF CB3 1AG CB3 1AQ CB3 1AR CB3 1AS CB3 1AT CB3 1AU CB3 1AW CB3 1AX CB3 1AY CB3 1AZ CB3 1BA CB3 1BB CB3 1BD CB3 1BE CB3 1BF CB3 1BG CB3 1BH CB3 1BJ CB3 1BL CB3 1BQ CB3 1BR CB3 1BS CB3 1BT CB3 1BU CB3 1BW CB3 1BX CB3 1BY CB3 1BZ CB3 1DA CB3 1DB CB3 1SE CB3 1TT CB3 1TU CB3 1TY CB3 1TZ

CB3 9 (137 postcodes)

CB3 9AA CB3 9AB CB3 9AD CB3 9AF CB3 9AG CB3 9AH CB3 9AJ CB3 9AL CB3 9AN CB3 9AP CB3 9AQ CB3 9AR CB3 9AS CB3 9AT CB3 9AU CB3 9AW CB3 9AX CB3 9AY CB3 9BA CB3 9BB CB3 9BD CB3 9BE CB3 9BG CB3 9BH CB3 9BL CB3 9BN CB3 9BQ CB3 9BS CB3 9BT CB3 9BU CB3 9BX CB3 9DA CB3 9DB CB3 9DD CB3 9DF CB3 9DG CB3 9DH CB3 9DJ CB3 9DL CB3 9DN CB3 9DP CB3 9DQ CB3 9DR CB3 9DS CB3 9DU CB3 9DW CB3 9DY CB3 9DZ CB3 9EA CB3 9EB CB3 9ED CB3 9EE CB3 9EF CB3 9EG CB3 9EL CB3 9EP CB3 9ES CB3 9ET CB3 9EU CB3 9EX CB3 9EY CB3 9EZ CB3 9HA CB3 9HB CB3 9HD CB3 9HE CB3 9HF CB3 9HG CB3 9HH CB3 9HJ CB3 9HN CB3 9HP CB3 9HQ CB3 9HR CB3 9HS CB3 9HU CB3 9HW CB3 9HX CB3 9HY CB3 9HZ CB3 9JA CB3 9JB CB3 9JD CB3 9JE CB3 9JF CB3 9JG CB3 9JH CB3 9JJ CB3 9JL CB3 9JN CB3 9JP CB3 9JQ CB3 9JR CB3 9JS CB3 9JT CB3 9JU CB3 9JW CB3 9JY CB3 9JZ CB3 9LA CB3 9LB CB3 9LE CB3 9LF CB3 9LG CB3 9LH CB3 9LL CB3 9LN CB3 9LP CB3 9LQ CB3 9LR CB3 9LS CB3 9LT CB3 9LU CB3 9LW CB3 9LX CB3 9LY CB3 9NB CB3 9ND CB3 9NE CB3 9NF CB3 9NG CB3 9NH CB3 9NJ CB3 9NL CB3 9NN CB3 9NP CB3 9NQ CB3 9NR CB3 9NS CB3 9NT CB3 9NU CB3 9NW CB3 9NX CB3 9NY CB3 9NZ CB3 9PA CB3 9QR

Hosepipe ban rules for CB3

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.

Nearby postcode districts

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.