Postcode district outlook

Hosepipe ban in BN3

The hosepipe ban position for the BN3 postcode district — 1,445 live postcodes, served mostly by Southern Water — checked against the national index on 19 August 2026. This is an index check, not a prediction.

The answer for BN3

No ban listed

No Temporary Use Ban is listed in the national index for BN3. Southern Water is the primary supplier.

Postcodes
1,445
Primary supplier
Southern Water
Share of district
100%
Sectors
8

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

Garden watering decision · BN3

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 · BN3 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 BN3

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.

Water resource zones near BN3

BN3 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 BN3 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

BN3 1 (176 postcodes)
BN3 2 (161 postcodes)
BN3 3 (220 postcodes)
BN3 3AABN3 3ABBN3 3ADBN3 3AEBN3 3AFBN3 3AGBN3 3AHBN3 3AJBN3 3ALBN3 3ANBN3 3APBN3 3AQBN3 3ARBN3 3ASBN3 3ATBN3 3AUBN3 3AWBN3 3AXBN3 3AYBN3 3AZBN3 3BABN3 3BBBN3 3BEBN3 3BFBN3 3BGBN3 3BHBN3 3BJBN3 3BLBN3 3BNBN3 3BQBN3 3DABN3 3DBBN3 3DDBN3 3DEBN3 3DFBN3 3DGBN3 3DHBN3 3DJBN3 3DLBN3 3DUBN3 3DWBN3 3DXBN3 3DYBN3 3EABN3 3EBBN3 3EDBN3 3EEBN3 3EFBN3 3EGBN3 3EHBN3 3EJBN3 3ELBN3 3ENBN3 3EPBN3 3EQBN3 3ERBN3 3ESBN3 3ETBN3 3EXBN3 3EYBN3 3EZBN3 3FABN3 3FBBN3 3FDBN3 3FEBN3 3FFBN3 3FGBN3 3FHBN3 3GABN3 3GBBN3 3GDBN3 3GEBN3 3GFBN3 3GGBN3 3GHBN3 3GJBN3 3GLBN3 3GNBN3 3GPBN3 3GQBN3 3GRBN3 3GTBN3 3GWBN3 3HABN3 3HBBN3 3HDBN3 3HEBN3 3HFBN3 3HTBN3 3HZBN3 3JABN3 3JBBN3 3JDBN3 3JEBN3 3JFBN3 3JGBN3 3JHBN3 3JJBN3 3JLBN3 3JNBN3 3JPBN3 3JQBN3 3JRBN3 3JSBN3 3JTBN3 3JXBN3 3JYBN3 3JZBN3 3LABN3 3LBBN3 3LLBN3 3LNBN3 3LPBN3 3LSBN3 3LTBN3 3LWBN3 3LYBN3 3LZBN3 3NABN3 3NFBN3 3NTBN3 3PABN3 3PBBN3 3PDBN3 3PEBN3 3PFBN3 3PGBN3 3PHBN3 3PJBN3 3PLBN3 3PNBN3 3PPBN3 3PQBN3 3PRBN3 3PSBN3 3PTBN3 3PYBN3 3QABN3 3QBBN3 3QDBN3 3QEBN3 3RABN3 3RBBN3 3RDBN3 3REBN3 3RFBN3 3RGBN3 3RHBN3 3RJBN3 3RLBN3 3RNBN3 3RPBN3 3RQBN3 3RRBN3 3RSBN3 3RTBN3 3RUBN3 3RWBN3 3RXBN3 3SZBN3 3TABN3 3TBBN3 3TDBN3 3TEBN3 3THBN3 3TJBN3 3TLBN3 3TNBN3 3TPBN3 3TQBN3 3TRBN3 3TSBN3 3TTBN3 3TUBN3 3TXBN3 3TZBN3 3UABN3 3UBBN3 3UGBN3 3ULBN3 3WABN3 3WBBN3 3WDBN3 3WEBN3 3WFBN3 3WGBN3 3WHBN3 3WJBN3 3WLBN3 3WNBN3 3WPBN3 3WQBN3 3WRBN3 3WSBN3 3WWBN3 3WXBN3 3WYBN3 3WZBN3 3XRBN3 3YABN3 3YBBN3 3YDBN3 3YEBN3 3YFBN3 3YGBN3 3YHBN3 3YJBN3 3YLBN3 3YNBN3 3YPBN3 3YQBN3 3YRBN3 3YSBN3 3YTBN3 3YUBN3 3YWBN3 3YXBN3 3ZABN3 3ZGBN3 3ZN
BN3 4 (147 postcodes)
BN3 5 (182 postcodes)
BN3 6 (226 postcodes)
BN3 6AABN3 6ABBN3 6AEBN3 6AFBN3 6AHBN3 6AJBN3 6ALBN3 6ANBN3 6AZBN3 6BABN3 6BBBN3 6BDBN3 6BEBN3 6BFBN3 6BGBN3 6BHBN3 6BJBN3 6BLBN3 6BNBN3 6BPBN3 6DABN3 6DBBN3 6DDBN3 6DEBN3 6DFBN3 6DGBN3 6DHBN3 6DJBN3 6DLBN3 6DNBN3 6DPBN3 6DQBN3 6DRBN3 6DSBN3 6EABN3 6EBBN3 6EDBN3 6EEBN3 6EFBN3 6EGBN3 6EHBN3 6EJBN3 6ELBN3 6ENBN3 6EPBN3 6EQBN3 6ERBN3 6ESBN3 6ETBN3 6EUBN3 6EZBN3 6FABN3 6FBBN3 6FDBN3 6FEBN3 6FFBN3 6FGBN3 6FHBN3 6FJBN3 6FLBN3 6FNBN3 6FPBN3 6FQBN3 6FRBN3 6FSBN3 6FTBN3 6FUBN3 6FXBN3 6FYBN3 6FZBN3 6GABN3 6GBBN3 6GDBN3 6GEBN3 6GFBN3 6GHBN3 6GJBN3 6GNBN3 6GPBN3 6GQBN3 6GRBN3 6GSBN3 6GTBN3 6GUBN3 6GZBN3 6HABN3 6HBBN3 6HDBN3 6HEBN3 6HFBN3 6HGBN3 6HHBN3 6HJBN3 6HLBN3 6HNBN3 6HPBN3 6HQBN3 6HRBN3 6HSBN3 6HTBN3 6HWBN3 6HXBN3 6HYBN3 6HZBN3 6JBBN3 6LABN3 6LBBN3 6LDBN3 6LEBN3 6LFBN3 6LGBN3 6LHBN3 6LJBN3 6LLBN3 6LNBN3 6LPBN3 6LQBN3 6LRBN3 6LSBN3 6LTBN3 6LUBN3 6LXBN3 6LYBN3 6LZBN3 6NABN3 6NBBN3 6NDBN3 6NEBN3 6NFBN3 6NHBN3 6NJBN3 6NLBN3 6NNBN3 6NPBN3 6NQBN3 6NRBN3 6NSBN3 6NTBN3 6NUBN3 6NWBN3 6NXBN3 6PABN3 6PBBN3 6PDBN3 6PEBN3 6PFBN3 6PGBN3 6PHBN3 6PJBN3 6PLBN3 6PNBN3 6PPBN3 6PQBN3 6PRBN3 6PSBN3 6PTBN3 6PUBN3 6PWBN3 6QABN3 6QBBN3 6QDBN3 6QEBN3 6QFBN3 6QGBN3 6QHBN3 6QJBN3 6QLBN3 6QNBN3 6QPBN3 6QQBN3 6QRBN3 6QSBN3 6QTBN3 6QWBN3 6RWBN3 6SEBN3 6TABN3 6TBBN3 6TDBN3 6TEBN3 6TFBN3 6TGBN3 6THBN3 6TJBN3 6TLBN3 6TNBN3 6TPBN3 6TQBN3 6UABN3 6UBBN3 6UDBN3 6UEBN3 6UFBN3 6UGBN3 6UHBN3 6UJBN3 6ULBN3 6UNBN3 6UPBN3 6UQBN3 6URBN3 6USBN3 6UTBN3 6WABN3 6WBBN3 6WDBN3 6WEBN3 6WFBN3 6WGBN3 6WHBN3 6WJBN3 6WLBN3 6WNBN3 6WPBN3 6WQBN3 6WRBN3 6WSBN3 6WTBN3 6WWBN3 6XABN3 6XBBN3 6XDBN3 6XEBN3 6XFBN3 6XGBN3 6XH
BN3 7 (200 postcodes)
BN3 8 (133 postcodes)

Hosepipe ban rules for BN3

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.