Postcode district outlook

Hosepipe ban in TN21

The hosepipe ban position for the TN21 postcode district — 711 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 TN21

Active

An official Temporary Use Ban is active for the South East Water supply area that covers most of TN21.

Postcodes
711
Primary supplier
South East Water
Share of district
100%
Sectors
4

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

Garden watering decision · TN21

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 · TN21 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 TN21

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 TN21

TN21 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 TN21 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

TN21 0 (266 postcodes)
TN21 0AATN21 0ABTN21 0ADTN21 0AETN21 0AFTN21 0AGTN21 0AHTN21 0AJTN21 0ALTN21 0ANTN21 0APTN21 0AQTN21 0ARTN21 0ASTN21 0ATTN21 0AUTN21 0AWTN21 0AXTN21 0AYTN21 0BATN21 0BBTN21 0BDTN21 0BETN21 0BFTN21 0BGTN21 0BHTN21 0BJTN21 0BLTN21 0BNTN21 0BPTN21 0BQTN21 0BTTN21 0BUTN21 0BWTN21 0BXTN21 0BYTN21 0DATN21 0DBTN21 0DDTN21 0DETN21 0DGTN21 0DHTN21 0DJTN21 0DPTN21 0DQTN21 0DRTN21 0DSTN21 0DTTN21 0DUTN21 0DXTN21 0DYTN21 0DZTN21 0EATN21 0EBTN21 0EDTN21 0EETN21 0EFTN21 0EGTN21 0EHTN21 0EJTN21 0ELTN21 0EPTN21 0EQTN21 0ERTN21 0ESTN21 0ETTN21 0EUTN21 0EWTN21 0EXTN21 0EYTN21 0EZTN21 0FBTN21 0FDTN21 0FETN21 0FHTN21 0FJTN21 0FLTN21 0FNTN21 0FPTN21 0FQTN21 0FRTN21 0FSTN21 0FTTN21 0FWTN21 0FXTN21 0FYTN21 0FZTN21 0GATN21 0GBTN21 0GDTN21 0GETN21 0GGTN21 0GHTN21 0GJTN21 0GLTN21 0GNTN21 0HATN21 0HBTN21 0HDTN21 0HETN21 0HFTN21 0HGTN21 0HHTN21 0HJTN21 0HLTN21 0HNTN21 0HPTN21 0HQTN21 0HRTN21 0HWTN21 0JBTN21 0JDTN21 0JETN21 0JFTN21 0JGTN21 0JHTN21 0JJTN21 0JLTN21 0JNTN21 0JPTN21 0JRTN21 0JSTN21 0JTTN21 0JUTN21 0JWTN21 0JXTN21 0JYTN21 0LATN21 0LBTN21 0LDTN21 0LETN21 0LFTN21 0LGTN21 0LHTN21 0LJTN21 0LLTN21 0LSTN21 0LTTN21 0LUTN21 0LXTN21 0LYTN21 0LZTN21 0NATN21 0NBTN21 0NDTN21 0NETN21 0NGTN21 0NHTN21 0NJTN21 0NLTN21 0NNTN21 0NPTN21 0NRTN21 0NSTN21 0NTTN21 0NUTN21 0NXTN21 0NYTN21 0PATN21 0PBTN21 0PDTN21 0PETN21 0PGTN21 0PHTN21 0PJTN21 0PLTN21 0PNTN21 0PPTN21 0PRTN21 0QATN21 0QBTN21 0QDTN21 0QETN21 0QGTN21 0QHTN21 0QJTN21 0QLTN21 0QNTN21 0QPTN21 0QRTN21 0QSTN21 0QTTN21 0QUTN21 0QWTN21 0QXTN21 0QYTN21 0QZTN21 0RATN21 0RBTN21 0RDTN21 0RETN21 0RGTN21 0RHTN21 0RJTN21 0RLTN21 0RNTN21 0RPTN21 0RRTN21 0RSTN21 0RTTN21 0RUTN21 0RXTN21 0RYTN21 0SATN21 0SBTN21 0SHTN21 0SJTN21 0SLTN21 0SNTN21 0SPTN21 0SRTN21 0SSTN21 0STTN21 0SUTN21 0SXTN21 0SYTN21 0SZTN21 0TATN21 0TBTN21 0TDTN21 0TETN21 0TFTN21 0TGTN21 0TJTN21 0TLTN21 0TNTN21 0TPTN21 0TQTN21 0TSTN21 0TTTN21 0TUTN21 0TXTN21 0TYTN21 0TZTN21 0UATN21 0UBTN21 0UDTN21 0UETN21 0UGTN21 0UJTN21 0UPTN21 0URTN21 0UTTN21 0UUTN21 0UWTN21 0UXTN21 0UYTN21 0UZTN21 0XATN21 0XBTN21 0XDTN21 0XETN21 0XGTN21 0XHTN21 0XJTN21 0XLTN21 0XPTN21 0XRTN21 0XSTN21 0XTTN21 0XUTN21 0XWTN21 0YDTN21 0YETN21 0YHTN21 0ZL
TN21 1 (14 postcodes)
TN21 8 (258 postcodes)
TN21 8AATN21 8ABTN21 8ADTN21 8AETN21 8AFTN21 8AGTN21 8AHTN21 8AJTN21 8ALTN21 8ANTN21 8APTN21 8AQTN21 8ARTN21 8ASTN21 8ATTN21 8AUTN21 8AWTN21 8AXTN21 8AYTN21 8AZTN21 8BATN21 8BBTN21 8BDTN21 8BETN21 8BFTN21 8BGTN21 8BHTN21 8BJTN21 8BLTN21 8BNTN21 8BPTN21 8BQTN21 8BSTN21 8BTTN21 8BUTN21 8BWTN21 8BXTN21 8BYTN21 8BZTN21 8DATN21 8DBTN21 8DDTN21 8DFTN21 8DHTN21 8DJTN21 8DLTN21 8DNTN21 8DPTN21 8DRTN21 8DSTN21 8DTTN21 8DXTN21 8DYTN21 8EATN21 8EBTN21 8EDTN21 8EETN21 8EFTN21 8EGTN21 8EHTN21 8EJTN21 8ELTN21 8ENTN21 8EPTN21 8EQTN21 8ERTN21 8ESTN21 8ETTN21 8EUTN21 8EWTN21 8EXTN21 8EYTN21 8EZTN21 8FBTN21 8FDTN21 8FETN21 8FHTN21 8FJTN21 8FLTN21 8FNTN21 8FPTN21 8FQTN21 8FRTN21 8FSTN21 8FTTN21 8FUTN21 8GATN21 8GBTN21 8GDTN21 8GTTN21 8HATN21 8HBTN21 8HDTN21 8HETN21 8HGTN21 8HHTN21 8HJTN21 8HLTN21 8HNTN21 8HPTN21 8HQTN21 8HRTN21 8HSTN21 8HUTN21 8JATN21 8JBTN21 8JDTN21 8JFTN21 8JPTN21 8JRTN21 8JSTN21 8JTTN21 8JUTN21 8JXTN21 8JYTN21 8LATN21 8LBTN21 8LDTN21 8LETN21 8LGTN21 8LHTN21 8LJTN21 8LLTN21 8LRTN21 8LSTN21 8LUTN21 8LWTN21 8LXTN21 8NATN21 8NBTN21 8NDTN21 8NETN21 8NFTN21 8NGTN21 8NHTN21 8NJTN21 8NLTN21 8NNTN21 8NPTN21 8NQTN21 8NRTN21 8NSTN21 8NTTN21 8NUTN21 8NWTN21 8NXTN21 8NYTN21 8NZTN21 8PATN21 8PBTN21 8PDTN21 8PETN21 8PFTN21 8PGTN21 8PHTN21 8PNTN21 8PPTN21 8PTTN21 8PUTN21 8PYTN21 8QATN21 8QBTN21 8QHTN21 8QJTN21 8QLTN21 8QNTN21 8QPTN21 8QQTN21 8QRTN21 8QSTN21 8QUTN21 8QXTN21 8QYTN21 8QZTN21 8RATN21 8RBTN21 8RDTN21 8RETN21 8RFTN21 8RGTN21 8RHTN21 8RJTN21 8RLTN21 8RTTN21 8RUTN21 8RXTN21 8RYTN21 8RZTN21 8SATN21 8SBTN21 8SETN21 8SFTN21 8SGTN21 8SHTN21 8SJTN21 8SLTN21 8SNTN21 8SPTN21 8SRTN21 8SSTN21 8STTN21 8SUTN21 8SWTN21 8SXTN21 8TATN21 8TBTN21 8TDTN21 8TETN21 8TGTN21 8THTN21 8TJTN21 8TNTN21 8TPTN21 8TRTN21 8TSTN21 8TTTN21 8TUTN21 8TWTN21 8TXTN21 8TYTN21 8UATN21 8UBTN21 8UDTN21 8UETN21 8UFTN21 8UGTN21 8UHTN21 8UJTN21 8ULTN21 8UNTN21 8UPTN21 8URTN21 8UTTN21 8UUTN21 8UXTN21 8UYTN21 8XATN21 8XBTN21 8XDTN21 8XETN21 8XGTN21 8XHTN21 8XJTN21 8XZTN21 8YATN21 8YBTN21 8YDTN21 8YETN21 8YFTN21 8YGTN21 8YHTN21 8YLTN21 8YNTN21 8YPTN21 8YSTN21 8YWTN21 8YYTN21 8YZ
TN21 9 (173 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 TN21

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.