BN21 1 postcode sector in the BN21 district

BN21 1 is a sector of the BN21 district: every postcode that starts BN21 1. It has 227 postcodes in use, 4 of them large-user postcodes. A large-user postcode is one Royal Mail gives to a single address that gets a lot of mail.

Not sure what a sector is? UK postcode format explained.

Every postcode in the BN21 1 sector, by flood risk

Map of every postcode in the BN21 1 sector, by flood risk Of the 227 postcodes in the BN21 1 sector that ONS places, 227 are not on the Environment Agency's at-risk list. Places named: Eastbourne. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A2280A2270A2021A259 BN21 1AA: not on the flood risk listBN21 1AE: not on the flood risk listBN21 1AF: not on the flood risk listBN21 1AG: not on the flood risk listBN21 1AH: not on the flood risk listBN21 1AJ: not on the flood risk listBN21 1BA: not on the flood risk listBN21 1BD: not on the flood risk listBN21 1BE: not on the flood risk listBN21 1BF: not on the flood risk listBN21 1BT: not on the flood risk listBN21 1BU: not on the flood risk listBN21 1BX: not on the flood risk listBN21 1BY: not on the flood risk listBN21 1BZ: not on the flood risk listBN21 1DB: not on the flood risk listBN21 1DD: not on the flood risk listBN21 1DG: not on the flood risk listBN21 1DH: not on the flood risk listBN21 1DJ: not on the flood risk listBN21 1DL: not on the flood risk listBN21 1DN: not on the flood risk listBN21 1DP: not on the flood risk listBN21 1DR: not on the flood risk listBN21 1DT: not on the flood risk listBN21 1DU: not on the flood risk listBN21 1DW: not on the flood risk listBN21 1DX: not on the flood risk listBN21 1DY: not on the flood risk listBN21 1DZ: not on the flood risk listBN21 1EA: not on the flood risk listBN21 1EB: not on the flood risk listBN21 1ED: not on the flood risk listBN21 1EE: not on the flood risk listBN21 1EF: not on the flood risk listBN21 1EG: not on the flood risk listBN21 1EL: not on the flood risk listBN21 1EN: not on the flood risk listBN21 1EQ: not on the flood risk listBN21 1ET: not on the flood risk listBN21 1EU: not on the flood risk listBN21 1EX: not on the flood risk listBN21 1EY: not on the flood risk listBN21 1HA: not on the flood risk listBN21 1HB: not on the flood risk listBN21 1HD: not on the flood risk listBN21 1HE: not on the flood risk listBN21 1HF: not on the flood risk listBN21 1HG: not on the flood risk listBN21 1HH: not on the flood risk listBN21 1HJ: not on the flood risk listBN21 1HL: not on the flood risk listBN21 1HN: not on the flood risk listBN21 1HP: not on the flood risk listBN21 1HQ: not on the flood risk listBN21 1HR: not on the flood risk listBN21 1HS: not on the flood risk listBN21 1HT: not on the flood risk listBN21 1HU: not on the flood risk listBN21 1HX: not on the flood risk listBN21 1HY: not on the flood risk listBN21 1HZ: not on the flood risk listBN21 1JA: not on the flood risk listBN21 1JB: not on the flood risk listBN21 1JD: not on the flood risk listBN21 1JE: not on the flood risk listBN21 1JF: not on the flood risk listBN21 1JG: not on the flood risk listBN21 1JH: not on the flood risk listBN21 1JJ: not on the flood risk listBN21 1JR: not on the flood risk listBN21 1JS: not on the flood risk listBN21 1JT: not on the flood risk listBN21 1JU: not on the flood risk listBN21 1JX: not on the flood risk listBN21 1JY: not on the flood risk listBN21 1JZ: not on the flood risk listBN21 1LA: not on the flood risk listBN21 1LB: not on the flood risk listBN21 1LD: not on the flood risk listBN21 1LE: not on the flood risk listBN21 1LF: not on the flood risk listBN21 1LG: not on the flood risk listBN21 1LJ: not on the flood risk listBN21 1LL: not on the flood risk listBN21 1LN: not on the flood risk listBN21 1LP: not on the flood risk listBN21 1LQ: not on the flood risk listBN21 1LR: not on the flood risk listBN21 1LS: not on the flood risk listBN21 1LT: not on the flood risk listBN21 1LU: not on the flood risk listBN21 1LW: not on the flood risk listBN21 1LX: not on the flood risk listBN21 1LY: not on the flood risk listBN21 1LZ: not on the flood risk listBN21 1NB: not on the flood risk listBN21 1ND: not on the flood risk listBN21 1NE: not on the flood risk listBN21 1NF: not on the flood risk listBN21 1NG: not on the flood risk listBN21 1NH: not on the flood risk listBN21 1NJ: not on the flood risk listBN21 1NL: not on the flood risk listBN21 1NN: not on the flood risk listBN21 1NP: not on the flood risk listBN21 1NQ: not on the flood risk listBN21 1NR: not on the flood risk listBN21 1NS: not on the flood risk listBN21 1NU: not on the flood risk listBN21 1NW: not on the flood risk listBN21 1NX: not on the flood risk listBN21 1NY: not on the flood risk listBN21 1NZ: not on the flood risk listBN21 1PB: not on the flood risk listBN21 1PD: not on the flood risk listBN21 1PH: not on the flood risk listBN21 1PJ: not on the flood risk listBN21 1PL: not on the flood risk listBN21 1PP: not on the flood risk listBN21 1PQ: not on the flood risk listBN21 1PR: not on the flood risk listBN21 1PS: not on the flood risk listBN21 1PT: not on the flood risk listBN21 1PU: not on the flood risk listBN21 1PX: not on the flood risk listBN21 1PY: not on the flood risk listBN21 1PZ: not on the flood risk listBN21 1QA: not on the flood risk listBN21 1QB: not on the flood risk listBN21 1QD: not on the flood risk listBN21 1QF: not on the flood risk listBN21 1QH: not on the flood risk listBN21 1QJ: not on the flood risk listBN21 1QN: not on the flood risk listBN21 1QP: not on the flood risk listBN21 1QQ: not on the flood risk listBN21 1QR: not on the flood risk listBN21 1QS: not on the flood risk listBN21 1QT: not on the flood risk listBN21 1QU: not on the flood risk listBN21 1QW: not on the flood risk listBN21 1QX: not on the flood risk listBN21 1QY: not on the flood risk listBN21 1QZ: not on the flood risk listBN21 1RB: not on the flood risk listBN21 1RD: not on the flood risk listBN21 1RE: not on the flood risk listBN21 1RF: not on the flood risk listBN21 1RH: not on the flood risk listBN21 1RJ: not on the flood risk listBN21 1RL: not on the flood risk listBN21 1RN: not on the flood risk listBN21 1RP: not on the flood risk listBN21 1RR: not on the flood risk listBN21 1RS: not on the flood risk listBN21 1RU: not on the flood risk listBN21 1RW: not on the flood risk listBN21 1RX: not on the flood risk listBN21 1SA: not on the flood risk listBN21 1SB: not on the flood risk listBN21 1SD: not on the flood risk listBN21 1SE: not on the flood risk listBN21 1SF: not on the flood risk listBN21 1SG: not on the flood risk listBN21 1SH: not on the flood risk listBN21 1SJ: not on the flood risk listBN21 1SL: not on the flood risk listBN21 1SN: not on the flood risk listBN21 1SP: not on the flood risk listBN21 1SQ: not on the flood risk listBN21 1SR: not on the flood risk listBN21 1SS: not on the flood risk listBN21 1ST: not on the flood risk listBN21 1SU: not on the flood risk listBN21 1SW: not on the flood risk listBN21 1SX: not on the flood risk listBN21 1SY: not on the flood risk listBN21 1TA: not on the flood risk listBN21 1TB: not on the flood risk listBN21 1TG: not on the flood risk listBN21 1TH: not on the flood risk listBN21 1TJ: not on the flood risk listBN21 1TL: not on the flood risk listBN21 1TN: not on the flood risk listBN21 1TP: not on the flood risk listBN21 1TQ: not on the flood risk listBN21 1TR: not on the flood risk listBN21 1TS: not on the flood risk listBN21 1TT: not on the flood risk listBN21 1TU: not on the flood risk listBN21 1TW: not on the flood risk listBN21 1TX: not on the flood risk listBN21 1TY: not on the flood risk listBN21 1TZ: not on the flood risk listBN21 1UA: not on the flood risk listBN21 1UB: not on the flood risk listBN21 1UD: not on the flood risk listBN21 1UE: not on the flood risk listBN21 1UF: not on the flood risk listBN21 1UJ: not on the flood risk listBN21 1UL: not on the flood risk listBN21 1UN: not on the flood risk listBN21 1UP: not on the flood risk listBN21 1UR: not on the flood risk listBN21 1UT: not on the flood risk listBN21 1UU: not on the flood risk listBN21 1UW: not on the flood risk listBN21 1UX: not on the flood risk listBN21 1UY: not on the flood risk listBN21 1UZ: not on the flood risk listBN21 1XA: not on the flood risk listBN21 1XB: not on the flood risk listBN21 1XF: not on the flood risk listBN21 1XG: not on the flood risk listBN21 1XH: not on the flood risk listBN21 1XJ: not on the flood risk listBN21 1XL: not on the flood risk listBN21 1XP: not on the flood risk listBN21 1XQ: not on the flood risk listBN21 1XR: not on the flood risk listBN21 1XS: not on the flood risk list Eastbourne Map of every postcode in the BN21 1 sector, by flood risk Of the 227 postcodes in the BN21 1 sector that ONS places, 227 are not on the Environment Agency's at-risk list. Places named: Upperton, Old Town. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A2280 UppertonOld Town
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 227

Of the 227 postcodes in the BN21 1 sector that ONS places, 227 are not on the Environment Agency's at-risk list.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode. Names in italics are council wards: we hold no town or village names here.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; flood risk: Environment Agency, published 6 July 2026; roads, rivers and built-up areas: Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

What do homes sell for in BN21 1?

Homes in BN21 1 sold for a typical £282,250 in the 12 months to August 2026, across 92 sales, down 9% on the 12 months before, HM Land Registry's figures show.

£282,250 typical price, the 12 months to August 2026
£310,000 12 months to August 2025
▼ down 9% on the 12 months before
  • Detached £482,500 12 sales
  • Semi-detached £415,000 9 sales
  • Terraced £334,500 19 sales
  • Flat or maisonette £199,500 52 sales

Each bar is that kind's typical price, against the most expensive kind here.

Standard sales of homes at market value at the postcodes that start BN21 1. A typical price is the median, the middle sale, given from 5 sales or more.

How we work this out: house prices by postcode

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

Postcodes in BN21 1

Pick a postcode to see its council and MP, broadband, flood risk, what homes sell for, council tax, the nearest schools and stations, and crime around it.

BN21 1AABN21 1ADBN21 1AEBN21 1AFBN21 1AGBN21 1AHBN21 1AJBN21 1BABN21 1BDBN21 1BEBN21 1BFBN21 1BNBN21 1BTBN21 1BUBN21 1BXBN21 1BYBN21 1BZBN21 1DBBN21 1DDBN21 1DGBN21 1DHBN21 1DJBN21 1DLBN21 1DNBN21 1DPBN21 1DRBN21 1DTBN21 1DUBN21 1DWBN21 1DXBN21 1DYBN21 1DZBN21 1EABN21 1EBBN21 1EDBN21 1EEBN21 1EFBN21 1EGBN21 1EHBN21 1ELBN21 1ENBN21 1EQBN21 1ERBN21 1ETBN21 1EUBN21 1EXBN21 1EYBN21 1HABN21 1HBBN21 1HDBN21 1HEBN21 1HFBN21 1HGBN21 1HHBN21 1HJBN21 1HLBN21 1HNBN21 1HPBN21 1HQBN21 1HRBN21 1HSBN21 1HTBN21 1HUBN21 1HXBN21 1HYBN21 1HZBN21 1JABN21 1JBBN21 1JDBN21 1JEBN21 1JFBN21 1JGBN21 1JHBN21 1JJBN21 1JRBN21 1JSBN21 1JTBN21 1JUBN21 1JXBN21 1JYBN21 1JZBN21 1LABN21 1LBBN21 1LDBN21 1LEBN21 1LFBN21 1LGBN21 1LJBN21 1LLBN21 1LNBN21 1LPBN21 1LQBN21 1LRBN21 1LSBN21 1LTBN21 1LUBN21 1LWBN21 1LXBN21 1LYBN21 1LZBN21 1NBBN21 1NDBN21 1NEBN21 1NFBN21 1NGBN21 1NHBN21 1NJBN21 1NLBN21 1NNBN21 1NPBN21 1NQBN21 1NRBN21 1NSBN21 1NUBN21 1NWBN21 1NXBN21 1NYBN21 1NZBN21 1PBBN21 1PDBN21 1PHBN21 1PJBN21 1PLBN21 1PPBN21 1PQBN21 1PRBN21 1PSBN21 1PTBN21 1PUBN21 1PXBN21 1PYBN21 1PZBN21 1QABN21 1QBBN21 1QDBN21 1QEBN21 1QFBN21 1QHBN21 1QJBN21 1QNBN21 1QPBN21 1QQBN21 1QRBN21 1QSBN21 1QTBN21 1QUBN21 1QWBN21 1QXBN21 1QYBN21 1QZBN21 1RBBN21 1RDBN21 1REBN21 1RFBN21 1RHBN21 1RJBN21 1RLBN21 1RNBN21 1RPBN21 1RRBN21 1RSBN21 1RUBN21 1RWBN21 1RXBN21 1SABN21 1SBBN21 1SDBN21 1SEBN21 1SFBN21 1SGBN21 1SHBN21 1SJBN21 1SLBN21 1SNBN21 1SPBN21 1SQBN21 1SRBN21 1SSBN21 1STBN21 1SUBN21 1SWBN21 1SXBN21 1SYBN21 1TABN21 1TBBN21 1TGBN21 1THBN21 1TJBN21 1TLBN21 1TNBN21 1TPBN21 1TQBN21 1TRBN21 1TSBN21 1TTBN21 1TUBN21 1TWBN21 1TXBN21 1TYBN21 1TZBN21 1UABN21 1UBBN21 1UDBN21 1UEBN21 1UFBN21 1UJBN21 1ULBN21 1UNBN21 1UPBN21 1URBN21 1UTBN21 1UUBN21 1UWBN21 1UXBN21 1UYBN21 1UZBN21 1XABN21 1XBBN21 1XFBN21 1XGBN21 1XHBN21 1XJBN21 1XLBN21 1XPBN21 1XQBN21 1XRBN21 1XS

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed. See all our data sources

What council am I in? The council, borough or local authority for a postcode, and the county council where there is one. What ward am I in? The ward for a postcode, with its council, constituency and parish.

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