BN7 3 postcode sector in the BN7 district

BN7 3 is a sector of the BN7 district: every postcode that starts BN7 3. It has 171 postcodes in use, one of them a large-user postcode. 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 BN7 3 sector, by flood risk

Map of every postcode in the BN7 3 sector, by flood risk Of the 171 postcodes in the BN7 3 sector that ONS places, 10 have a home or business at high risk, 4 are at medium risk at worst, 1 are at low risk at worst and 156 are not on the Environment Agency's at-risk list. Places named: Lewes, Ringmer. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A26A275A259A27 BN7 3AA: not on the flood risk listBN7 3AB: not on the flood risk listBN7 3AD: not on the flood risk listBN7 3AE: not on the flood risk listBN7 3AF: not on the flood risk listBN7 3AJ: not on the flood risk listBN7 3AL: not on the flood risk listBN7 3AN: not on the flood risk listBN7 3AP: not on the flood risk listBN7 3AQ: not on the flood risk listBN7 3AR: not on the flood risk listBN7 3AS: not on the flood risk listBN7 3AT: not on the flood risk listBN7 3AU: not on the flood risk listBN7 3AY: not on the flood risk listBN7 3AZ: not on the flood risk listBN7 3BB: not on the flood risk listBN7 3BD: not on the flood risk listBN7 3BH: not on the flood risk listBN7 3BJ: not on the flood risk listBN7 3BL: not on the flood risk listBN7 3BN: not on the flood risk listBN7 3BQ: not on the flood risk listBN7 3BS: not on the flood risk listBN7 3BT: not on the flood risk listBN7 3BU: not on the flood risk listBN7 3BW: not on the flood risk listBN7 3BX: not on the flood risk listBN7 3BY: not on the flood risk listBN7 3BZ: not on the flood risk listBN7 3DA: not on the flood risk listBN7 3DD: not on the flood risk listBN7 3DE: not on the flood risk listBN7 3DF: not on the flood risk listBN7 3DG: not on the flood risk listBN7 3DH: not on the flood risk listBN7 3DL: not on the flood risk listBN7 3DN: not on the flood risk listBN7 3DQ: not on the flood risk listBN7 3DS: not on the flood risk listBN7 3DU: not on the flood risk listBN7 3DX: not on the flood risk listBN7 3EB: not on the flood risk listBN7 3EE: not on the flood risk listBN7 3EF: not on the flood risk listBN7 3EH: not on the flood risk listBN7 3EJ: not on the flood risk listBN7 3EP: not on the flood risk listBN7 3ET: not on the flood risk listBN7 3EU: not on the flood risk listBN7 3EX: not on the flood risk listBN7 3EY: not on the flood risk listBN7 3EZ: not on the flood risk listBN7 3FA: not on the flood risk listBN7 3FB: not on the flood risk listBN7 3FD: not on the flood risk listBN7 3FE: not on the flood risk listBN7 3FF: not on the flood risk listBN7 3FG: not on the flood risk listBN7 3HB: not on the flood risk listBN7 3HD: not on the flood risk listBN7 3HE: not on the flood risk listBN7 3HJ: not on the flood risk listBN7 3HP: not on the flood risk listBN7 3HQ: not on the flood risk listBN7 3HR: not on the flood risk listBN7 3HS: not on the flood risk listBN7 3HT: not on the flood risk listBN7 3HU: not on the flood risk listBN7 3HY: not on the flood risk listBN7 3HZ: not on the flood risk listBN7 3JJ: not on the flood risk listBN7 3JL: not on the flood risk listBN7 3JN: not on the flood risk listBN7 3JP: not on the flood risk listBN7 3JQ: not on the flood risk listBN7 3JR: not on the flood risk listBN7 3JS: not on the flood risk listBN7 3JT: not on the flood risk listBN7 3JU: not on the flood risk listBN7 3JW: not on the flood risk listBN7 3JX: not on the flood risk listBN7 3JY: not on the flood risk listBN7 3JZ: not on the flood risk listBN7 3LB: not on the flood risk listBN7 3LE: not on the flood risk listBN7 3LF: not on the flood risk listBN7 3LG: not on the flood risk listBN7 3LH: not on the flood risk listBN7 3LJ: not on the flood risk listBN7 3LL: not on the flood risk listBN7 3LN: not on the flood risk listBN7 3LW: not on the flood risk listBN7 3NA: not on the flood risk listBN7 3ND: not on the flood risk listBN7 3NF: not on the flood risk listBN7 3NH: not on the flood risk listBN7 3NL: not on the flood risk listBN7 3NP: not on the flood risk listBN7 3NR: not on the flood risk listBN7 3NS: not on the flood risk listBN7 3NT: not on the flood risk listBN7 3PA: not on the flood risk listBN7 3PB: not on the flood risk listBN7 3PD: not on the flood risk listBN7 3PE: not on the flood risk listBN7 3PF: not on the flood risk listBN7 3PG: not on the flood risk listBN7 3PJ: not on the flood risk listBN7 3PL: not on the flood risk listBN7 3PN: not on the flood risk listBN7 3PP: not on the flood risk listBN7 3PT: not on the flood risk listBN7 3PX: not on the flood risk listBN7 3QB: not on the flood risk listBN7 3QD: not on the flood risk listBN7 3QE: not on the flood risk listBN7 3QF: not on the flood risk listBN7 3QG: not on the flood risk listBN7 3QJ: not on the flood risk listBN7 3QL: not on the flood risk listBN7 3QN: not on the flood risk listBN7 3QP: not on the flood risk listBN7 3QQ: not on the flood risk listBN7 3QR: not on the flood risk listBN7 3QS: not on the flood risk listBN7 3QT: not on the flood risk listBN7 3QU: not on the flood risk listBN7 3QW: not on the flood risk listBN7 3QX: not on the flood risk listBN7 3QY: not on the flood risk listBN7 3HG: low flood risk at worstBN7 3AH: medium flood risk at worstBN7 3EN: medium flood risk at worstBN7 3JH: medium flood risk at worstBN7 3PS: medium flood risk at worstBN7 3AX: high flood riskBN7 3BA: high flood riskBN7 3DP: high flood riskBN7 3ES: high flood riskBN7 3HF: high flood riskBN7 3HX: high flood riskBN7 3NB: high flood riskBN7 3NE: high flood riskBN7 3PR: high flood riskBN7 3QA: high flood risk LewesRingmer Map of every postcode in the BN7 3 sector, by flood risk Of the 171 postcodes in the BN7 3 sector that ONS places, 10 have a home or business at high risk, 4 are at medium risk at worst, 1 are at low risk at worst and 156 are not on the Environment Agency's at-risk list. Places named: Lewes. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A275A26 Lewes
  • A home or business at high risk: 10
  • At medium risk at worst: 4
  • At low risk at worst: 1
  • At very low risk only: 0
  • Not on the at-risk list: 156

Of the 171 postcodes in the BN7 3 sector that ONS places, 10 have a home or business at high risk, 4 are at medium risk at worst, 1 are at low risk at worst and 156 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.

BN7 3PR17 at high riskBN7 3HF8 at high riskBN7 3HX3 at high riskBN7 3NB3 at high riskBN7 3DP2 at high riskBN7 3NE2 at high riskBN7 3AX1 at high riskBN7 3BA1 at high riskBN7 3ES1 at high riskBN7 3QA1 at high risk

What do homes sell for in BN7 3?

Homes in BN7 3 sold for a typical £600,000 in the 12 months to August 2026, across 42 sales, down 15.5% on the 12 months before, HM Land Registry's figures show.

£600,000 typical price, the 12 months to August 2026
£710,000 12 months to August 2025
▼ down 15.5% on the 12 months before
  • Detached £735,000 23 sales
  • Semi-detached £445,000 12 sales
  • Terraced £430,000 7 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 BN7 3. 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 BN7 3

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.

BN7 3AABN7 3ABBN7 3ADBN7 3AEBN7 3AFBN7 3AGBN7 3AHBN7 3AJBN7 3ALBN7 3ANBN7 3APBN7 3AQBN7 3ARBN7 3ASBN7 3ATBN7 3AUBN7 3AXBN7 3AYBN7 3AZBN7 3BABN7 3BBBN7 3BDBN7 3BHBN7 3BJBN7 3BLBN7 3BNBN7 3BPBN7 3BQBN7 3BSBN7 3BTBN7 3BUBN7 3BWBN7 3BXBN7 3BYBN7 3BZBN7 3DABN7 3DBBN7 3DDBN7 3DEBN7 3DFBN7 3DGBN7 3DHBN7 3DLBN7 3DNBN7 3DPBN7 3DQBN7 3DRBN7 3DSBN7 3DTBN7 3DUBN7 3DXBN7 3EABN7 3EBBN7 3EDBN7 3EEBN7 3EFBN7 3EHBN7 3EJBN7 3ELBN7 3ENBN7 3EPBN7 3ERBN7 3ESBN7 3ETBN7 3EUBN7 3EWBN7 3EXBN7 3EYBN7 3EZBN7 3FABN7 3FBBN7 3FDBN7 3FEBN7 3FFBN7 3FGBN7 3HABN7 3HBBN7 3HDBN7 3HEBN7 3HFBN7 3HGBN7 3HHBN7 3HJBN7 3HLBN7 3HPBN7 3HQBN7 3HRBN7 3HSBN7 3HTBN7 3HUBN7 3HWBN7 3HXBN7 3HYBN7 3HZBN7 3JBBN7 3JHBN7 3JJBN7 3JLBN7 3JNBN7 3JPBN7 3JQBN7 3JRBN7 3JSBN7 3JTBN7 3JUBN7 3JWBN7 3JXBN7 3JYBN7 3JZBN7 3LABN7 3LBBN7 3LDBN7 3LEBN7 3LFBN7 3LGBN7 3LHBN7 3LJBN7 3LLBN7 3LNBN7 3LQBN7 3LWBN7 3NABN7 3NBBN7 3NDBN7 3NEBN7 3NFBN7 3NHBN7 3NJBN7 3NLBN7 3NPBN7 3NRBN7 3NSBN7 3NTBN7 3NUBN7 3NXBN7 3PABN7 3PBBN7 3PDBN7 3PEBN7 3PFBN7 3PGBN7 3PHBN7 3PJBN7 3PLBN7 3PNBN7 3PPBN7 3PQBN7 3PRBN7 3PSBN7 3PTBN7 3PXBN7 3QABN7 3QBBN7 3QDBN7 3QEBN7 3QFBN7 3QGBN7 3QHBN7 3QJBN7 3QLBN7 3QNBN7 3QPBN7 3QQBN7 3QRBN7 3QSBN7 3QTBN7 3QUBN7 3QWBN7 3QXBN7 3QYBN7 3SL

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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