BN27 4 postcode sector in the BN27 district

BN27 4 is a sector of the BN27 district: every postcode that starts BN27 4. It has 253 postcodes in use, 5 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 BN27 4 sector, by flood risk

Map of every postcode in the BN27 4 sector, by flood risk Of the 253 postcodes in the BN27 4 sector that ONS places, 9 have a home or business at high risk, 4 are at medium risk at worst, 5 are at low risk at worst and 235 are not on the Environment Agency's at-risk list. Places named: Hailsham, Herstmonceux, Hellingly. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. BN27 4AA: not on the flood risk listBN27 4AB: not on the flood risk listBN27 4AD: not on the flood risk listBN27 4AE: not on the flood risk listBN27 4AF: not on the flood risk listBN27 4AH: not on the flood risk listBN27 4AJ: not on the flood risk listBN27 4AL: not on the flood risk listBN27 4AN: not on the flood risk listBN27 4AU: not on the flood risk listBN27 4AW: not on the flood risk listBN27 4AX: not on the flood risk listBN27 4AY: not on the flood risk listBN27 4BA: not on the flood risk listBN27 4BB: not on the flood risk listBN27 4BD: not on the flood risk listBN27 4BE: not on the flood risk listBN27 4BF: not on the flood risk listBN27 4BG: not on the flood risk listBN27 4BH: not on the flood risk listBN27 4BJ: not on the flood risk listBN27 4BL: not on the flood risk listBN27 4BN: not on the flood risk listBN27 4BP: not on the flood risk listBN27 4BQ: not on the flood risk listBN27 4BS: not on the flood risk listBN27 4BT: not on the flood risk listBN27 4BU: not on the flood risk listBN27 4BW: not on the flood risk listBN27 4BY: not on the flood risk listBN27 4BZ: not on the flood risk listBN27 4DA: not on the flood risk listBN27 4DB: not on the flood risk listBN27 4DE: not on the flood risk listBN27 4DF: not on the flood risk listBN27 4DJ: not on the flood risk listBN27 4DP: not on the flood risk listBN27 4DQ: not on the flood risk listBN27 4DR: not on the flood risk listBN27 4DS: not on the flood risk listBN27 4DT: not on the flood risk listBN27 4DU: not on the flood risk listBN27 4DW: not on the flood risk listBN27 4DX: not on the flood risk listBN27 4DY: not on the flood risk listBN27 4DZ: not on the flood risk listBN27 4EA: not on the flood risk listBN27 4EB: not on the flood risk listBN27 4ED: not on the flood risk listBN27 4EE: not on the flood risk listBN27 4EF: not on the flood risk listBN27 4EG: not on the flood risk listBN27 4EH: not on the flood risk listBN27 4EJ: not on the flood risk listBN27 4EL: not on the flood risk listBN27 4EN: not on the flood risk listBN27 4EP: not on the flood risk listBN27 4ES: not on the flood risk listBN27 4ET: not on the flood risk listBN27 4EZ: not on the flood risk listBN27 4FA: not on the flood risk listBN27 4FB: not on the flood risk listBN27 4FE: not on the flood risk listBN27 4FG: not on the flood risk listBN27 4FJ: not on the flood risk listBN27 4FL: not on the flood risk listBN27 4FP: not on the flood risk listBN27 4FQ: not on the flood risk listBN27 4FR: not on the flood risk listBN27 4FT: not on the flood risk listBN27 4FU: not on the flood risk listBN27 4FX: not on the flood risk listBN27 4FY: not on the flood risk listBN27 4FZ: not on the flood risk listBN27 4GA: not on the flood risk listBN27 4GB: not on the flood risk listBN27 4GD: not on the flood risk listBN27 4GF: not on the flood risk listBN27 4GG: not on the flood risk listBN27 4HB: not on the flood risk listBN27 4HE: not on the flood risk listBN27 4HF: not on the flood risk listBN27 4HG: not on the flood risk listBN27 4HJ: not on the flood risk listBN27 4HT: not on the flood risk listBN27 4HU: not on the flood risk listBN27 4HX: not on the flood risk listBN27 4HY: not on the flood risk listBN27 4HZ: not on the flood risk listBN27 4JA: not on the flood risk listBN27 4JB: not on the flood risk listBN27 4JD: not on the flood risk listBN27 4JF: not on the flood risk listBN27 4JG: not on the flood risk listBN27 4JH: not on the flood risk listBN27 4JJ: not on the flood risk listBN27 4JP: not on the flood risk listBN27 4JQ: not on the flood risk listBN27 4JR: not on the flood risk listBN27 4JT: not on the flood risk listBN27 4JU: not on the flood risk listBN27 4LA: not on the flood risk listBN27 4LB: not on the flood risk listBN27 4LD: not on the flood risk listBN27 4LH: not on the flood risk listBN27 4LL: not on the flood risk listBN27 4LN: not on the flood risk listBN27 4LR: not on the flood risk listBN27 4LY: not on the flood risk listBN27 4NA: not on the flood risk listBN27 4NB: not on the flood risk listBN27 4NE: not on the flood risk listBN27 4NF: not on the flood risk listBN27 4NL: not on the flood risk listBN27 4NS: not on the flood risk listBN27 4NU: not on the flood risk listBN27 4NY: not on the flood risk listBN27 4PB: not on the flood risk listBN27 4PD: not on the flood risk listBN27 4PG: not on the flood risk listBN27 4PL: not on the flood risk listBN27 4PN: not on the flood risk listBN27 4PP: not on the flood risk listBN27 4PQ: not on the flood risk listBN27 4PR: not on the flood risk listBN27 4PT: not on the flood risk listBN27 4PU: not on the flood risk listBN27 4QD: not on the flood risk listBN27 4QG: not on the flood risk listBN27 4QH: not on the flood risk listBN27 4QJ: not on the flood risk listBN27 4QL: not on the flood risk listBN27 4QN: not on the flood risk listBN27 4QP: not on the flood risk listBN27 4QQ: not on the flood risk listBN27 4QS: not on the flood risk listBN27 4QT: not on the flood risk listBN27 4QU: not on the flood risk listBN27 4QW: not on the flood risk listBN27 4QX: not on the flood risk listBN27 4QY: not on the flood risk listBN27 4RA: not on the flood risk listBN27 4RB: not on the flood risk listBN27 4RD: not on the flood risk listBN27 4RE: not on the flood risk listBN27 4RG: not on the flood risk listBN27 4RH: not on the flood risk listBN27 4RJ: not on the flood risk listBN27 4RR: not on the flood risk listBN27 4RS: not on the flood risk listBN27 4RT: not on the flood risk listBN27 4RU: not on the flood risk listBN27 4RX: not on the flood risk listBN27 4RY: not on the flood risk listBN27 4RZ: not on the flood risk listBN27 4SB: not on the flood risk listBN27 4SD: not on the flood risk listBN27 4SF: not on the flood risk listBN27 4SG: not on the flood risk listBN27 4SH: not on the flood risk listBN27 4SJ: not on the flood risk listBN27 4SL: not on the flood risk listBN27 4SS: not on the flood risk listBN27 4ST: not on the flood risk listBN27 4SX: not on the flood risk listBN27 4SY: not on the flood risk listBN27 4TA: not on the flood risk listBN27 4TF: not on the flood risk listBN27 4TH: not on the flood risk listBN27 4TL: not on the flood risk listBN27 4TN: not on the flood risk listBN27 4TP: not on the flood risk listBN27 4TS: not on the flood risk listBN27 4TU: not on the flood risk listBN27 4TX: not on the flood risk listBN27 4UB: not on the flood risk listBN27 4UD: not on the flood risk listBN27 4UG: not on the flood risk listBN27 4US: not on the flood risk listBN27 4UT: not on the flood risk listBN27 4UU: not on the flood risk listBN27 4UX: not on the flood risk listBN27 4UY: not on the flood risk listBN27 4DL: low flood risk at worstBN27 4EQ: low flood risk at worstBN27 4EU: low flood risk at worstBN27 4QR: low flood risk at worstBN27 4UA: low flood risk at worstBN27 4AT: medium flood risk at worstBN27 4DH: medium flood risk at worstBN27 4DN: medium flood risk at worstBN27 4HH: medium flood risk at worstBN27 4EW: high flood riskBN27 4EX: high flood riskBN27 4EY: high flood riskBN27 4FS: high flood riskBN27 4HD: high flood riskBN27 4HL: high flood riskBN27 4JL: high flood riskBN27 4JN: high flood riskBN27 4TQ: high flood risk HailshamHerstmonceuxHellingly Map of every postcode in the BN27 4 sector, by flood risk Of the 253 postcodes in the BN27 4 sector that ONS places, 9 have a home or business at high risk, 4 are at medium risk at worst, 5 are at low risk at worst and 235 are not on the Environment Agency's at-risk list. Places named: Hailsham, Herstmonceux, Hellingly. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. HailshamHerstmonceuxHellingly
  • A home or business at high risk: 9
  • At medium risk at worst: 4
  • At low risk at worst: 5
  • At very low risk only: 0
  • Not on the at-risk list: 235

Of the 253 postcodes in the BN27 4 sector that ONS places, 9 have a home or business at high risk, 4 are at medium risk at worst, 5 are at low risk at worst and 235 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.

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

The postcodes at high risk

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

BN27 4EW12 at high riskBN27 4EX3 at high riskBN27 4JL3 at high riskBN27 4EY2 at high riskBN27 4FS2 at high riskBN27 4HL2 at high riskBN27 4HD1 at high riskBN27 4JN1 at high riskBN27 4TQ1 at high risk

What do homes sell for in BN27 4?

Homes in BN27 4 sold for a typical £345,000 in the 12 months to August 2026, across 73 sales, down 2.1% on the 12 months before, HM Land Registry's figures show.

£345,000 typical price, the 12 months to August 2026
£352,500 12 months to August 2025
▼ down 2.1% on the 12 months before
  • Detached £532,500 32 sales
  • Semi-detached £300,000 21 sales
  • Terraced £293,250 16 sales
  • Flat or maisonette 4 sales, too few to price

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 BN27 4. 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 BN27 4

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.

BN27 4AABN27 4ABBN27 4ADBN27 4AEBN27 4AFBN27 4AHBN27 4AJBN27 4ALBN27 4ANBN27 4ATBN27 4AUBN27 4AWBN27 4AXBN27 4AYBN27 4AZBN27 4BABN27 4BBBN27 4BDBN27 4BEBN27 4BFBN27 4BGBN27 4BHBN27 4BJBN27 4BLBN27 4BNBN27 4BPBN27 4BQBN27 4BSBN27 4BTBN27 4BUBN27 4BWBN27 4BXBN27 4BYBN27 4BZBN27 4DABN27 4DBBN27 4DEBN27 4DFBN27 4DGBN27 4DHBN27 4DJBN27 4DLBN27 4DNBN27 4DPBN27 4DQBN27 4DRBN27 4DSBN27 4DTBN27 4DUBN27 4DWBN27 4DXBN27 4DYBN27 4DZBN27 4EABN27 4EBBN27 4EDBN27 4EEBN27 4EFBN27 4EGBN27 4EHBN27 4EJBN27 4ELBN27 4ENBN27 4EPBN27 4EQBN27 4ERBN27 4ESBN27 4ETBN27 4EUBN27 4EWBN27 4EXBN27 4EYBN27 4EZBN27 4FABN27 4FBBN27 4FDBN27 4FEBN27 4FFBN27 4FGBN27 4FHBN27 4FJBN27 4FLBN27 4FNBN27 4FPBN27 4FQBN27 4FRBN27 4FSBN27 4FTBN27 4FUBN27 4FWBN27 4FXBN27 4FYBN27 4FZBN27 4GABN27 4GBBN27 4GDBN27 4GFBN27 4GGBN27 4HABN27 4HBBN27 4HDBN27 4HEBN27 4HFBN27 4HGBN27 4HHBN27 4HJBN27 4HLBN27 4HTBN27 4HUBN27 4HXBN27 4HYBN27 4HZBN27 4JABN27 4JBBN27 4JDBN27 4JEBN27 4JFBN27 4JGBN27 4JHBN27 4JJBN27 4JLBN27 4JNBN27 4JPBN27 4JQBN27 4JRBN27 4JTBN27 4JUBN27 4JXBN27 4LABN27 4LBBN27 4LDBN27 4LEBN27 4LFBN27 4LGBN27 4LHBN27 4LJBN27 4LLBN27 4LNBN27 4LPBN27 4LQBN27 4LRBN27 4LSBN27 4LTBN27 4LUBN27 4LWBN27 4LXBN27 4LYBN27 4NABN27 4NBBN27 4NDBN27 4NEBN27 4NFBN27 4NGBN27 4NHBN27 4NJBN27 4NLBN27 4NNBN27 4NPBN27 4NQBN27 4NRBN27 4NSBN27 4NTBN27 4NUBN27 4NWBN27 4NXBN27 4NYBN27 4NZBN27 4PABN27 4PBBN27 4PDBN27 4PEBN27 4PGBN27 4PHBN27 4PJBN27 4PLBN27 4PNBN27 4PPBN27 4PQBN27 4PRBN27 4PTBN27 4PUBN27 4QDBN27 4QGBN27 4QHBN27 4QJBN27 4QLBN27 4QNBN27 4QPBN27 4QQBN27 4QRBN27 4QSBN27 4QTBN27 4QUBN27 4QWBN27 4QXBN27 4QYBN27 4RABN27 4RBBN27 4RDBN27 4REBN27 4RGBN27 4RHBN27 4RJBN27 4RRBN27 4RSBN27 4RTBN27 4RUBN27 4RXBN27 4RYBN27 4RZBN27 4SBBN27 4SDBN27 4SEBN27 4SFBN27 4SGBN27 4SHBN27 4SJBN27 4SLBN27 4SQBN27 4SSBN27 4STBN27 4SUBN27 4SXBN27 4SYBN27 4SZBN27 4TABN27 4TBBN27 4TDBN27 4TEBN27 4TFBN27 4TGBN27 4THBN27 4TJBN27 4TLBN27 4TNBN27 4TPBN27 4TQBN27 4TRBN27 4TSBN27 4TTBN27 4TUBN27 4TXBN27 4TYBN27 4TZBN27 4UABN27 4UBBN27 4UDBN27 4UGBN27 4USBN27 4UTBN27 4UUBN27 4UXBN27 4UY

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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