BN17 5 postcode sector in the BN17 district

BN17 5 is a sector of the BN17 district: every postcode that starts BN17 5. It has 209 postcodes in use, 9 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 BN17 5 sector, by flood risk

Map of every postcode in the BN17 5 sector, by flood risk Of the 209 postcodes in the BN17 5 sector that ONS places, 10 have a home or business at high risk, 2 are at medium risk at worst, 63 are at low risk at worst, 34 are at very low risk only and 100 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Littlehampton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A259 BN17 5AL: not on the flood risk listBN17 5AQ: not on the flood risk listBN17 5BE: not on the flood risk listBN17 5BU: not on the flood risk listBN17 5BX: not on the flood risk listBN17 5DB: not on the flood risk listBN17 5DG: not on the flood risk listBN17 5DN: not on the flood risk listBN17 5EE: not on the flood risk listBN17 5EN: not on the flood risk listBN17 5ER: not on the flood risk listBN17 5ES: not on the flood risk listBN17 5ET: not on the flood risk listBN17 5EW: not on the flood risk listBN17 5EX: not on the flood risk listBN17 5EY: not on the flood risk listBN17 5EZ: not on the flood risk listBN17 5FE: not on the flood risk listBN17 5FF: not on the flood risk listBN17 5FG: not on the flood risk listBN17 5FH: not on the flood risk listBN17 5GE: not on the flood risk listBN17 5GG: not on the flood risk listBN17 5HA: not on the flood risk listBN17 5HB: not on the flood risk listBN17 5HD: not on the flood risk listBN17 5HE: not on the flood risk listBN17 5HF: not on the flood risk listBN17 5HG: not on the flood risk listBN17 5HQ: not on the flood risk listBN17 5JB: not on the flood risk listBN17 5LY: not on the flood risk listBN17 5NF: not on the flood risk listBN17 5NN: not on the flood risk listBN17 5NR: not on the flood risk listBN17 5NU: not on the flood risk listBN17 5NW: not on the flood risk listBN17 5NX: not on the flood risk listBN17 5NY: not on the flood risk listBN17 5NZ: not on the flood risk listBN17 5PA: not on the flood risk listBN17 5PB: not on the flood risk listBN17 5PE: not on the flood risk listBN17 5PF: not on the flood risk listBN17 5PG: not on the flood risk listBN17 5PH: not on the flood risk listBN17 5PJ: not on the flood risk listBN17 5PL: not on the flood risk listBN17 5PN: not on the flood risk listBN17 5PP: not on the flood risk listBN17 5PQ: not on the flood risk listBN17 5PR: not on the flood risk listBN17 5PS: not on the flood risk listBN17 5PT: not on the flood risk listBN17 5PU: not on the flood risk listBN17 5PW: not on the flood risk listBN17 5PX: not on the flood risk listBN17 5PY: not on the flood risk listBN17 5PZ: not on the flood risk listBN17 5QA: not on the flood risk listBN17 5QB: not on the flood risk listBN17 5QD: not on the flood risk listBN17 5QE: not on the flood risk listBN17 5QF: not on the flood risk listBN17 5QG: not on the flood risk listBN17 5QH: not on the flood risk listBN17 5QN: not on the flood risk listBN17 5QQ: not on the flood risk listBN17 5QU: not on the flood risk listBN17 5QX: not on the flood risk listBN17 5QY: not on the flood risk listBN17 5QZ: not on the flood risk listBN17 5RB: not on the flood risk listBN17 5RF: not on the flood risk listBN17 5RG: not on the flood risk listBN17 5RH: not on the flood risk listBN17 5RJ: not on the flood risk listBN17 5RL: not on the flood risk listBN17 5RP: not on the flood risk listBN17 5RQ: not on the flood risk listBN17 5RS: not on the flood risk listBN17 5RU: not on the flood risk listBN17 5RW: not on the flood risk listBN17 5RY: not on the flood risk listBN17 5SN: not on the flood risk listBN17 5SR: not on the flood risk listBN17 5SS: not on the flood risk listBN17 5ST: not on the flood risk listBN17 5TB: not on the flood risk listBN17 5TD: not on the flood risk listBN17 5TF: not on the flood risk listBN17 5TJ: not on the flood risk listBN17 5AD: very low flood risk onlyBN17 5AF: very low flood risk onlyBN17 5AZ: very low flood risk onlyBN17 5BD: very low flood risk onlyBN17 5BQ: very low flood risk onlyBN17 5DJ: very low flood risk onlyBN17 5EA: very low flood risk onlyBN17 5ED: very low flood risk onlyBN17 5EG: very low flood risk onlyBN17 5EH: very low flood risk onlyBN17 5EJ: very low flood risk onlyBN17 5JA: very low flood risk onlyBN17 5JP: very low flood risk onlyBN17 5JR: very low flood risk onlyBN17 5JS: very low flood risk onlyBN17 5JU: very low flood risk onlyBN17 5LB: very low flood risk onlyBN17 5LD: very low flood risk onlyBN17 5LF: very low flood risk onlyBN17 5LR: very low flood risk onlyBN17 5LS: very low flood risk onlyBN17 5LX: very low flood risk onlyBN17 5LZ: very low flood risk onlyBN17 5NA: very low flood risk onlyBN17 5NG: very low flood risk onlyBN17 5NH: very low flood risk onlyBN17 5NJ: very low flood risk onlyBN17 5NL: very low flood risk onlyBN17 5NP: very low flood risk onlyBN17 5NQ: very low flood risk onlyBN17 5RE: very low flood risk onlyBN17 5RX: very low flood risk onlyBN17 5TH: very low flood risk onlyBN17 5AB: low flood risk at worstBN17 5AG: low flood risk at worstBN17 5AH: low flood risk at worstBN17 5AP: low flood risk at worstBN17 5AR: low flood risk at worstBN17 5AS: low flood risk at worstBN17 5AT: low flood risk at worstBN17 5AU: low flood risk at worstBN17 5AW: low flood risk at worstBN17 5AX: low flood risk at worstBN17 5BA: low flood risk at worstBN17 5BB: low flood risk at worstBN17 5BF: low flood risk at worstBN17 5BG: low flood risk at worstBN17 5BH: low flood risk at worstBN17 5BL: low flood risk at worstBN17 5BN: low flood risk at worstBN17 5BP: low flood risk at worstBN17 5BY: low flood risk at worstBN17 5BZ: low flood risk at worstBN17 5DA: low flood risk at worstBN17 5DD: low flood risk at worstBN17 5DF: low flood risk at worstBN17 5DP: low flood risk at worstBN17 5DT: low flood risk at worstBN17 5DU: low flood risk at worstBN17 5DX: low flood risk at worstBN17 5EL: low flood risk at worstBN17 5FB: low flood risk at worstBN17 5GB: low flood risk at worstBN17 5HJ: low flood risk at worstBN17 5HN: low flood risk at worstBN17 5HP: low flood risk at worstBN17 5HR: low flood risk at worstBN17 5HS: low flood risk at worstBN17 5HT: low flood risk at worstBN17 5HW: low flood risk at worstBN17 5HZ: low flood risk at worstBN17 5JD: low flood risk at worstBN17 5JF: low flood risk at worstBN17 5JG: low flood risk at worstBN17 5JH: low flood risk at worstBN17 5JL: low flood risk at worstBN17 5JQ: low flood risk at worstBN17 5JW: low flood risk at worstBN17 5JY: low flood risk at worstBN17 5JZ: low flood risk at worstBN17 5LE: low flood risk at worstBN17 5LJ: low flood risk at worstBN17 5LL: low flood risk at worstBN17 5LQ: low flood risk at worstBN17 5LU: low flood risk at worstBN17 5LW: low flood risk at worstBN17 5RA: low flood risk at worstBN17 5RR: low flood risk at worstBN17 5SF: low flood risk at worstBN17 5TA: low flood risk at worstBN17 5TE: low flood risk at worstBN17 5LG: medium flood risk at worstBN17 5QT: medium flood risk at worstBN17 5DE: high flood riskBN17 5DL: high flood riskBN17 5DQ: high flood riskBN17 5DS: high flood riskBN17 5DW: high flood riskBN17 5GW: high flood riskBN17 5LH: high flood riskBN17 5LP: high flood riskBN17 5NT: high flood riskBN17 5RN: high flood risk Littlehampton Map of every postcode in the BN17 5 sector, by flood risk Of the 209 postcodes in the BN17 5 sector that ONS places, 10 have a home or business at high risk, 2 are at medium risk at worst, 63 are at low risk at worst, 34 are at very low risk only and 100 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: Littlehampton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A284 Littlehampton
  • A home or business at high risk: 10
  • At medium risk at worst: 2
  • At low risk at worst: 63
  • At very low risk only: 34
  • Not on the at-risk list: 100

Of the 209 postcodes in the BN17 5 sector that ONS places, 10 have a home or business at high risk, 2 are at medium risk at worst, 63 are at low risk at worst, 34 are at very low risk only and 100 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.

BN17 5DE120 at high riskBN17 5DQ23 at high riskBN17 5DW12 at high riskBN17 5GW5 at high riskBN17 5DL3 at high riskBN17 5DS2 at high riskBN17 5LP2 at high riskBN17 5LH1 at high riskBN17 5NT1 at high riskBN17 5RN1 at high risk

Further out, not drawn

This postcode lies well apart from the rest, so the map is drawn without it to show the rest closer; it is in every count.

BN17 5RD

What do homes sell for in BN17 5?

Homes in BN17 5 sold for a typical £192,500 in the 12 months to August 2026, across 89 sales, down 32.5% on the 12 months before, HM Land Registry's figures show.

£192,500 typical price, the 12 months to August 2026
£285,000 12 months to August 2025
▼ down 32.5% on the 12 months before
  • Detached £480,000 8 sales
  • Semi-detached £380,000 7 sales
  • Terraced £278,750 22 sales
  • Flat or maisonette £153,500 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 BN17 5. 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 BN17 5

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.

BN17 5ABBN17 5ADBN17 5AFBN17 5AGBN17 5AHBN17 5AJBN17 5ALBN17 5APBN17 5AQBN17 5ARBN17 5ASBN17 5ATBN17 5AUBN17 5AWBN17 5AXBN17 5AZBN17 5BABN17 5BBBN17 5BDBN17 5BEBN17 5BFBN17 5BGBN17 5BHBN17 5BJBN17 5BLBN17 5BNBN17 5BPBN17 5BQBN17 5BSBN17 5BUBN17 5BXBN17 5BYBN17 5BZBN17 5DABN17 5DBBN17 5DDBN17 5DEBN17 5DFBN17 5DGBN17 5DHBN17 5DJBN17 5DLBN17 5DNBN17 5DPBN17 5DQBN17 5DSBN17 5DTBN17 5DUBN17 5DWBN17 5DXBN17 5DZBN17 5EABN17 5EDBN17 5EEBN17 5EGBN17 5EHBN17 5EJBN17 5ELBN17 5ENBN17 5ERBN17 5ESBN17 5ETBN17 5EWBN17 5EXBN17 5EYBN17 5EZBN17 5FBBN17 5FEBN17 5FFBN17 5FGBN17 5FHBN17 5GBBN17 5GEBN17 5GGBN17 5GWBN17 5HABN17 5HBBN17 5HDBN17 5HEBN17 5HFBN17 5HGBN17 5HJBN17 5HLBN17 5HNBN17 5HPBN17 5HQBN17 5HRBN17 5HSBN17 5HTBN17 5HWBN17 5HZBN17 5JABN17 5JBBN17 5JDBN17 5JFBN17 5JGBN17 5JHBN17 5JJBN17 5JLBN17 5JPBN17 5JQBN17 5JRBN17 5JSBN17 5JUBN17 5JWBN17 5JYBN17 5JZBN17 5LABN17 5LBBN17 5LDBN17 5LEBN17 5LFBN17 5LGBN17 5LHBN17 5LJBN17 5LLBN17 5LPBN17 5LQBN17 5LRBN17 5LSBN17 5LUBN17 5LWBN17 5LXBN17 5LYBN17 5LZBN17 5NABN17 5NBBN17 5NFBN17 5NGBN17 5NHBN17 5NJBN17 5NLBN17 5NNBN17 5NPBN17 5NQBN17 5NRBN17 5NSBN17 5NTBN17 5NUBN17 5NWBN17 5NXBN17 5NYBN17 5NZBN17 5PABN17 5PBBN17 5PDBN17 5PEBN17 5PFBN17 5PGBN17 5PHBN17 5PJBN17 5PLBN17 5PNBN17 5PPBN17 5PQBN17 5PRBN17 5PSBN17 5PTBN17 5PUBN17 5PWBN17 5PXBN17 5PYBN17 5PZBN17 5QABN17 5QBBN17 5QDBN17 5QEBN17 5QFBN17 5QGBN17 5QHBN17 5QNBN17 5QQBN17 5QSBN17 5QTBN17 5QUBN17 5QXBN17 5QYBN17 5QZBN17 5RABN17 5RBBN17 5RDBN17 5REBN17 5RFBN17 5RGBN17 5RHBN17 5RJBN17 5RLBN17 5RNBN17 5RPBN17 5RQBN17 5RRBN17 5RSBN17 5RUBN17 5RWBN17 5RXBN17 5RYBN17 5SFBN17 5SNBN17 5SRBN17 5SSBN17 5STBN17 5TABN17 5TBBN17 5TDBN17 5TEBN17 5TFBN17 5TGBN17 5THBN17 5TJ

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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