Postcode district outlook

Hosepipe ban in BN18

The hosepipe ban position for the BN18 postcode district — 586 live postcodes, served mostly by Portsmouth Water — checked against the national index on 19 August 2026. This is an index check, not a prediction.

The answer for BN18

No ban listed

No Temporary Use Ban is listed in the national index for BN18. Portsmouth Water is the primary supplier.

Postcodes: 586
Primary supplier: Portsmouth 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 · BN18

Let the rain handle it

Hold off

Your garden should get enough rain over the next five days. Check pots and new plants separately.

Forecast period: Next five days
Forecast rain: 16.9 mm
Estimated requirement: 6.9 mm
Rain covers of need: 100%
Estimated remaining need: 10 mm shortfall

More rain is expected than an established garden is likely to need.

Estimate for an established mixed garden border · BN18 district · updated 19 Aug, 15:00

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 BN18

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.

Portsmouth Water
Not listed100% of mapped units · high confidence · Full status page

Water resource zones near BN18

BN18 maps to the water resource zone below. Zones are the official planning areas suppliers use to report how much water they have.

Portsmouth

Find your exact postcode

Every live postcode in BN18 is listed below. Choose one to open its local water outlook, or use the search box to find a specific address.

Search postcodes in BN18

Pick a postcode to open its local water outlook

BN18 0 (362 postcodes)

BN18 0AA BN18 0AB BN18 0AD BN18 0AE BN18 0AF BN18 0AG BN18 0AH BN18 0AJ BN18 0AL BN18 0AN BN18 0AP BN18 0AQ BN18 0AR BN18 0AS BN18 0AT BN18 0AU BN18 0AW BN18 0AX BN18 0AY BN18 0AZ BN18 0BA BN18 0BB BN18 0BD BN18 0BE BN18 0BF BN18 0BG BN18 0BH BN18 0BJ BN18 0BL BN18 0BN BN18 0BP BN18 0BQ BN18 0BR BN18 0BS BN18 0BT BN18 0BU BN18 0BW BN18 0BX BN18 0BY BN18 0BZ BN18 0DA BN18 0DB BN18 0DD BN18 0DE BN18 0DF BN18 0DG BN18 0DH BN18 0DJ BN18 0DL BN18 0DN BN18 0DP BN18 0DQ BN18 0DR BN18 0DS BN18 0DT BN18 0DU BN18 0DW BN18 0DX BN18 0DY BN18 0DZ BN18 0EA BN18 0EB BN18 0ED BN18 0EE BN18 0EF BN18 0EG BN18 0EH BN18 0EJ BN18 0EL BN18 0EN BN18 0EP BN18 0EQ BN18 0ER BN18 0ES BN18 0ET BN18 0EU BN18 0EW BN18 0EX BN18 0EY BN18 0EZ BN18 0FA BN18 0FB BN18 0FD BN18 0FE BN18 0FF BN18 0FG BN18 0FH BN18 0FJ BN18 0FL BN18 0FN BN18 0FP BN18 0FQ BN18 0FR BN18 0FS BN18 0FT BN18 0FW BN18 0FX BN18 0FY BN18 0FZ BN18 0GA BN18 0GB BN18 0GD BN18 0GE BN18 0GF BN18 0GG BN18 0GH BN18 0GJ BN18 0GL BN18 0GN BN18 0GP BN18 0GQ BN18 0GR BN18 0GS BN18 0GT BN18 0GU BN18 0GW BN18 0GX BN18 0GY BN18 0GZ BN18 0HA BN18 0HB BN18 0HD BN18 0HE BN18 0HF BN18 0HG BN18 0HH BN18 0HJ BN18 0HL BN18 0HN BN18 0HP BN18 0HQ BN18 0HR BN18 0HS BN18 0HT BN18 0HU BN18 0HW BN18 0HX BN18 0HY BN18 0HZ BN18 0JA BN18 0JB BN18 0JD BN18 0JE BN18 0JF BN18 0JG BN18 0JH BN18 0JJ BN18 0JL BN18 0JN BN18 0JP BN18 0JQ BN18 0JR BN18 0JS BN18 0JT BN18 0JU BN18 0JW BN18 0JX BN18 0JY BN18 0JZ BN18 0LA BN18 0LB BN18 0LD BN18 0LE BN18 0LF BN18 0LG BN18 0LH BN18 0LJ BN18 0LL BN18 0LN BN18 0LP BN18 0LQ BN18 0LR BN18 0LS BN18 0LT BN18 0LU BN18 0LW BN18 0LX BN18 0LY BN18 0LZ BN18 0NA BN18 0NB BN18 0ND BN18 0NE BN18 0NF BN18 0NG BN18 0NH BN18 0NJ BN18 0NL BN18 0NN BN18 0NP BN18 0NQ BN18 0NR BN18 0NS BN18 0NT BN18 0NU BN18 0NW BN18 0NX BN18 0NY BN18 0NZ BN18 0PA BN18 0PB BN18 0PD BN18 0PE BN18 0PF BN18 0PG BN18 0PH BN18 0PJ BN18 0PL BN18 0PN BN18 0PP BN18 0PQ BN18 0PR BN18 0PS BN18 0PT BN18 0PU BN18 0PW BN18 0PX BN18 0PY BN18 0PZ BN18 0QA BN18 0QB BN18 0QD BN18 0QE BN18 0QF BN18 0QG BN18 0QH BN18 0QJ BN18 0QL BN18 0QN BN18 0QP BN18 0QQ BN18 0QR BN18 0QS BN18 0QT BN18 0QU BN18 0QW BN18 0QX BN18 0QY BN18 0QZ BN18 0RA BN18 0RB BN18 0RD BN18 0RE BN18 0RF BN18 0RG BN18 0RH BN18 0RJ BN18 0RL BN18 0RN BN18 0RP BN18 0RQ BN18 0RR BN18 0RS BN18 0RT BN18 0RU BN18 0RW BN18 0RX BN18 0RY BN18 0RZ BN18 0SA BN18 0SB BN18 0SD BN18 0SE BN18 0SF BN18 0SG BN18 0SH BN18 0SJ BN18 0SL BN18 0SN BN18 0SP BN18 0SQ BN18 0SR BN18 0SS BN18 0ST BN18 0SU BN18 0SW BN18 0SX BN18 0SY BN18 0SZ BN18 0TA BN18 0TB BN18 0TD BN18 0TE BN18 0TF BN18 0TG BN18 0TH BN18 0TJ BN18 0TL BN18 0TN BN18 0TQ BN18 0TR BN18 0TS BN18 0TT BN18 0TU BN18 0TW BN18 0TY BN18 0TZ BN18 0UA BN18 0UD BN18 0UE BN18 0UF BN18 0UG BN18 0UH BN18 0UQ BN18 0UR BN18 0US BN18 0UU BN18 0UW BN18 0UX BN18 0UY BN18 0UZ BN18 0WT BN18 0XA BN18 0XB BN18 0XD BN18 0XE BN18 0XF BN18 0XG BN18 0XH BN18 0XJ BN18 0XL BN18 0XN BN18 0XP BN18 0XQ BN18 0XR BN18 0XS BN18 0XT BN18 0XU BN18 0XW BN18 0XZ BN18 0YA BN18 0YD BN18 0YE BN18 0YF BN18 0YG BN18 0YH BN18 0YJ BN18 0YL BN18 0YN BN18 0YP BN18 0YR BN18 0YS BN18 0YT BN18 0YU BN18 0YW BN18 0YX BN18 0YY BN18 0YZ BN18 0ZA BN18 0ZB BN18 0ZD BN18 0ZE BN18 0ZF BN18 0ZG BN18 0ZH BN18 0ZJ BN18 0ZL BN18 0ZN BN18 0ZQ BN18 0ZR BN18 0ZT BN18 0ZX

BN18 8 (8 postcodes)

BN18 8DF BN18 8DL BN18 8DR BN18 8DW BN18 8DX BN18 8DZ BN18 8EA BN18 8EB

BN18 9 (216 postcodes)

BN18 9AA BN18 9AB BN18 9AD BN18 9AG BN18 9AH BN18 9AJ BN18 9AP BN18 9AR BN18 9AS BN18 9AT BN18 9AU BN18 9AX BN18 9AY BN18 9AZ BN18 9BA BN18 9BB BN18 9BD BN18 9BE BN18 9BG BN18 9BH BN18 9BJ BN18 9BL BN18 9BN BN18 9BP BN18 9BQ BN18 9BS BN18 9BT BN18 9BU BN18 9BW BN18 9BZ BN18 9DA BN18 9DD BN18 9DE BN18 9DF BN18 9DG BN18 9DH BN18 9DJ BN18 9DL BN18 9DN BN18 9DP BN18 9DQ BN18 9DR BN18 9DS BN18 9DT BN18 9DU BN18 9DW BN18 9DX BN18 9EA BN18 9EB BN18 9ED BN18 9EE BN18 9EF BN18 9EG BN18 9EH BN18 9EJ BN18 9EL BN18 9EN BN18 9EP BN18 9EQ BN18 9ER BN18 9ES BN18 9ET BN18 9EU BN18 9EW BN18 9EX BN18 9EY BN18 9FA BN18 9FD BN18 9FE BN18 9FF BN18 9FG BN18 9FH BN18 9FJ BN18 9FL BN18 9FN BN18 9GA BN18 9GG BN18 9GJ BN18 9GL BN18 9GN BN18 9GP BN18 9GQ BN18 9GY BN18 9HD BN18 9HE BN18 9HF BN18 9HG BN18 9HH BN18 9HJ BN18 9HL BN18 9HN BN18 9HP BN18 9HR BN18 9HS BN18 9HT BN18 9HU BN18 9HW BN18 9HX BN18 9HY BN18 9HZ BN18 9JA BN18 9JB BN18 9JD BN18 9JE BN18 9JF BN18 9JG BN18 9JH BN18 9JJ BN18 9JL BN18 9JN BN18 9JP BN18 9JQ BN18 9JR BN18 9JS BN18 9JT BN18 9JU BN18 9JW BN18 9JX BN18 9JY BN18 9JZ BN18 9LA BN18 9LB BN18 9LE BN18 9LF BN18 9LG BN18 9LH BN18 9LJ BN18 9LL BN18 9LN BN18 9LP BN18 9LR BN18 9LS BN18 9LT BN18 9LU BN18 9LW BN18 9LX BN18 9LY BN18 9LZ BN18 9NA BN18 9NB BN18 9ND BN18 9NE BN18 9NF BN18 9NG BN18 9NH BN18 9NJ BN18 9NL BN18 9NN BN18 9NP BN18 9NQ BN18 9NR BN18 9NS BN18 9NT BN18 9NW BN18 9NX BN18 9NY BN18 9NZ BN18 9PA BN18 9PB BN18 9PD BN18 9PE BN18 9PF BN18 9PG BN18 9PH BN18 9PJ BN18 9PL BN18 9PN BN18 9PP BN18 9PQ BN18 9PR BN18 9PS BN18 9PT BN18 9PU BN18 9PW BN18 9PX BN18 9PY BN18 9PZ BN18 9QA BN18 9QB BN18 9QD BN18 9QE BN18 9QF BN18 9QG BN18 9QH BN18 9QJ BN18 9QL BN18 9QN BN18 9QQ BN18 9QT BN18 9QU BN18 9QW BN18 9QX BN18 9QY BN18 9QZ BN18 9RA BN18 9RB BN18 9RD BN18 9RE BN18 9RF BN18 9RG BN18 9RH BN18 9RJ BN18 9RL BN18 9RN BN18 9RQ BN18 9RR BN18 9RS BN18 9RU BN18 9RW BN18 9RZ BN18 9SA BN18 9SR BN18 9SU BN18 9TA BN18 9XA BN18 9YQ

Hosepipe ban rules for BN18

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.