BN23 5 postcode sector in the BN23 district

BN23 5 is a sector of the BN23 district: every postcode that starts BN23 5. It has 125 postcodes in use.

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

Every postcode in the BN23 5 sector, by flood risk

Map of every postcode in the BN23 5 sector, by flood risk Of the 125 postcodes in the BN23 5 sector that ONS places, 12 have a home or business at high risk, 107 are at very low risk only and 6 are not on the Environment Agency's at-risk list. One group of postcodes at high or medium risk is outlined: 6 postcodes at high or medium risk. Places named: Crumbles. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A259 BN23 5DA: not on the flood risk listBN23 5DB: not on the flood risk listBN23 5DD: not on the flood risk listBN23 5DE: not on the flood risk listBN23 5DF: not on the flood risk listBN23 5DG: not on the flood risk listBN23 5AA: very low flood risk onlyBN23 5AD: very low flood risk onlyBN23 5AH: very low flood risk onlyBN23 5AJ: very low flood risk onlyBN23 5AN: very low flood risk onlyBN23 5AP: very low flood risk onlyBN23 5AQ: very low flood risk onlyBN23 5AR: very low flood risk onlyBN23 5AS: very low flood risk onlyBN23 5AU: very low flood risk onlyBN23 5AX: very low flood risk onlyBN23 5AY: very low flood risk onlyBN23 5BA: very low flood risk onlyBN23 5BB: very low flood risk onlyBN23 5BD: very low flood risk onlyBN23 5BE: very low flood risk onlyBN23 5BF: very low flood risk onlyBN23 5BJ: very low flood risk onlyBN23 5BL: very low flood risk onlyBN23 5BN: very low flood risk onlyBN23 5BQ: very low flood risk onlyBN23 5BS: very low flood risk onlyBN23 5BT: very low flood risk onlyBN23 5BU: very low flood risk onlyBN23 5NA: very low flood risk onlyBN23 5NB: very low flood risk onlyBN23 5NE: very low flood risk onlyBN23 5NF: very low flood risk onlyBN23 5NH: very low flood risk onlyBN23 5NJ: very low flood risk onlyBN23 5NL: very low flood risk onlyBN23 5NN: very low flood risk onlyBN23 5NP: very low flood risk onlyBN23 5PA: very low flood risk onlyBN23 5PB: very low flood risk onlyBN23 5PD: very low flood risk onlyBN23 5PE: very low flood risk onlyBN23 5PF: very low flood risk onlyBN23 5PG: very low flood risk onlyBN23 5PH: very low flood risk onlyBN23 5PJ: very low flood risk onlyBN23 5PL: very low flood risk onlyBN23 5PN: very low flood risk onlyBN23 5PP: very low flood risk onlyBN23 5PQ: very low flood risk onlyBN23 5PR: very low flood risk onlyBN23 5PS: very low flood risk onlyBN23 5PT: very low flood risk onlyBN23 5PU: very low flood risk onlyBN23 5PX: very low flood risk onlyBN23 5PZ: very low flood risk onlyBN23 5QA: very low flood risk onlyBN23 5QB: very low flood risk onlyBN23 5QD: very low flood risk onlyBN23 5QE: very low flood risk onlyBN23 5QF: very low flood risk onlyBN23 5QG: very low flood risk onlyBN23 5RA: very low flood risk onlyBN23 5RB: very low flood risk onlyBN23 5RD: very low flood risk onlyBN23 5RH: very low flood risk onlyBN23 5RJ: very low flood risk onlyBN23 5RL: very low flood risk onlyBN23 5RN: very low flood risk onlyBN23 5RP: very low flood risk onlyBN23 5RW: very low flood risk onlyBN23 5SS: very low flood risk onlyBN23 5ST: very low flood risk onlyBN23 5SU: very low flood risk onlyBN23 5SW: very low flood risk onlyBN23 5SX: very low flood risk onlyBN23 5SY: very low flood risk onlyBN23 5SZ: very low flood risk onlyBN23 5TA: very low flood risk onlyBN23 5TB: very low flood risk onlyBN23 5TD: very low flood risk onlyBN23 5TE: very low flood risk onlyBN23 5TG: very low flood risk onlyBN23 5TJ: very low flood risk onlyBN23 5TL: very low flood risk onlyBN23 5TN: very low flood risk onlyBN23 5TP: very low flood risk onlyBN23 5TQ: very low flood risk onlyBN23 5TR: very low flood risk onlyBN23 5TS: very low flood risk onlyBN23 5TT: very low flood risk onlyBN23 5TU: very low flood risk onlyBN23 5TW: very low flood risk onlyBN23 5TX: very low flood risk onlyBN23 5TY: very low flood risk onlyBN23 5TZ: very low flood risk onlyBN23 5UA: very low flood risk onlyBN23 5UB: very low flood risk onlyBN23 5UD: very low flood risk onlyBN23 5UE: very low flood risk onlyBN23 5UF: very low flood risk onlyBN23 5UG: very low flood risk onlyBN23 5UH: very low flood risk onlyBN23 5UJ: very low flood risk onlyBN23 5UL: very low flood risk onlyBN23 5UN: very low flood risk onlyBN23 5UP: very low flood risk onlyBN23 5UQ: very low flood risk onlyBN23 5UR: very low flood risk onlyBN23 5UT: very low flood risk onlyBN23 5UY: very low flood risk onlyBN23 5UZ: very low flood risk onlyBN23 5AB: high flood riskBN23 5AE: high flood riskBN23 5AF: high flood riskBN23 5AG: high flood riskBN23 5AT: high flood riskBN23 5AW: high flood riskBN23 5BG: high flood riskBN23 5BH: high flood riskBN23 5BP: high flood riskBN23 5PW: high flood riskBN23 5PY: high flood riskBN23 5TH: high flood risk Crumbles 6 postcodes at high or medium risk, outlined: this goes to BN23 5AB, the one with most homes and businesses at high risk6 postcodes at high or medium risk Map of every postcode in the BN23 5 sector, by flood risk Of the 125 postcodes in the BN23 5 sector that ONS places, 12 have a home or business at high risk, 107 are at very low risk only and 6 are not on the Environment Agency's at-risk list. One group of postcodes at high or medium risk is outlined: 6 postcodes at high or medium risk. Places named: Crumbles. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Crumbles
  • A home or business at high risk: 12
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 107
  • Not on the at-risk list: 6
  • Outline: where 5 or more postcodes at high or medium risk lie together

Of the 125 postcodes in the BN23 5 sector that ONS places, 12 have a home or business at high risk, 107 are at very low risk only and 6 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. A dashed outline shows where 5 or more lie within 150 metres of each other. It is not a boundary, and no boundary is drawn.

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.

BN23 5BP70 at high riskBN23 5BG68 at high riskBN23 5BH36 at high riskBN23 5PW30 at high riskBN23 5AB28 at high riskBN23 5AT26 at high riskBN23 5AF24 at high riskBN23 5AG24 at high riskBN23 5PY23 at high riskBN23 5AW18 at high riskBN23 5TH12 at high riskBN23 5AE1 at high risk

Where the postcodes at high or medium risk lie together

  • 6 postcodes at high or medium risk, outlined on the map. BN23 5AB, is the one with most homes and businesses at high risk.

What do homes sell for in BN23 5?

Homes in BN23 5 sold for a typical £270,000 in the 12 months to August 2026, across 127 sales, up 3.8% on the 12 months before, HM Land Registry's figures show.

£270,000 typical price, the 12 months to August 2026
£260,000 12 months to August 2025
▲ up 3.8% on the 12 months before
  • Detached £490,000 19 sales
  • Semi-detached £325,000 5 sales
  • Terraced £380,000 23 sales
  • Flat or maisonette £230,000 80 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 BN23 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 BN23 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.

BN23 5AABN23 5ABBN23 5ADBN23 5AEBN23 5AFBN23 5AGBN23 5AHBN23 5AJBN23 5ANBN23 5APBN23 5AQBN23 5ARBN23 5ASBN23 5ATBN23 5AUBN23 5AWBN23 5AXBN23 5AYBN23 5BABN23 5BBBN23 5BDBN23 5BEBN23 5BFBN23 5BGBN23 5BHBN23 5BJBN23 5BLBN23 5BNBN23 5BPBN23 5BQBN23 5BSBN23 5BTBN23 5BUBN23 5DABN23 5DBBN23 5DDBN23 5DEBN23 5DFBN23 5DGBN23 5NABN23 5NBBN23 5NEBN23 5NFBN23 5NHBN23 5NJBN23 5NLBN23 5NNBN23 5NPBN23 5PABN23 5PBBN23 5PDBN23 5PEBN23 5PFBN23 5PGBN23 5PHBN23 5PJBN23 5PLBN23 5PNBN23 5PPBN23 5PQBN23 5PRBN23 5PSBN23 5PTBN23 5PUBN23 5PWBN23 5PXBN23 5PYBN23 5PZBN23 5QABN23 5QBBN23 5QDBN23 5QEBN23 5QFBN23 5QGBN23 5RABN23 5RBBN23 5RDBN23 5RHBN23 5RJBN23 5RLBN23 5RNBN23 5RPBN23 5RWBN23 5SSBN23 5STBN23 5SUBN23 5SWBN23 5SXBN23 5SYBN23 5SZBN23 5TABN23 5TBBN23 5TDBN23 5TEBN23 5TGBN23 5THBN23 5TJBN23 5TLBN23 5TNBN23 5TPBN23 5TQBN23 5TRBN23 5TSBN23 5TTBN23 5TUBN23 5TWBN23 5TXBN23 5TYBN23 5TZBN23 5UABN23 5UBBN23 5UDBN23 5UEBN23 5UFBN23 5UGBN23 5UHBN23 5UJBN23 5ULBN23 5UNBN23 5UPBN23 5UQBN23 5URBN23 5UTBN23 5UYBN23 5UZ

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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