BN21 4 postcode sector in the BN21 district

BN21 4 is a sector of the BN21 district: every postcode that starts BN21 4. It has 194 postcodes in use, 32 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 4 sector, and which are new since 2020

Map of every postcode in the BN21 4 sector, by new since 2020 Of the 194 postcodes in the BN21 4 sector that ONS places, 5 are new since 2020 and 189 were in use before 2020. Places named: Meads. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A259 BN21 4AA: before 2020BN21 4AD: before 2020BN21 4AE: before 2020BN21 4AF: before 2020BN21 4AG: before 2020BN21 4AH: before 2020BN21 4AJ: before 2020BN21 4AL: before 2020BN21 4AN: before 2020BN21 4AP: before 2020BN21 4AQ: before 2020BN21 4AR: before 2020BN21 4AS: before 2020BN21 4AT: before 2020BN21 4AU: before 2020BN21 4AX: before 2020BN21 4AY: before 2020BN21 4BA: before 2020BN21 4BB: before 2020BN21 4BD: before 2020BN21 4BH: before 2020BN21 4BJ: before 2020BN21 4BL: before 2020BN21 4BP: before 2020BN21 4BQ: before 2020BN21 4BT: before 2020BN21 4BU: before 2020BN21 4BW: before 2020BN21 4BX: before 2020BN21 4BY: before 2020BN21 4BZ: before 2020BN21 4DB: before 2020BN21 4DF: before 2020BN21 4DG: before 2020BN21 4DH: before 2020BN21 4DL: before 2020BN21 4DN: before 2020BN21 4DQ: before 2020BN21 4DR: before 2020BN21 4DS: before 2020BN21 4DT: before 2020BN21 4DU: before 2020BN21 4DW: before 2020BN21 4DX: before 2020BN21 4EA: before 2020BN21 4EB: before 2020BN21 4EE: before 2020BN21 4EF: before 2020BN21 4EH: before 2020BN21 4EJ: before 2020BN21 4EL: before 2020BN21 4EN: before 2020BN21 4EP: before 2020BN21 4EQ: before 2020BN21 4EU: before 2020BN21 4EW: before 2020BN21 4EX: before 2020BN21 4EY: before 2020BN21 4EZ: before 2020BN21 4FA: before 2020BN21 4FB: before 2020BN21 4HA: before 2020BN21 4HB: before 2020BN21 4HD: before 2020BN21 4HE: before 2020BN21 4HF: before 2020BN21 4HG: before 2020BN21 4HH: before 2020BN21 4HJ: before 2020BN21 4HL: before 2020BN21 4HN: before 2020BN21 4HP: before 2020BN21 4HQ: before 2020BN21 4HR: before 2020BN21 4HU: before 2020BN21 4HX: before 2020BN21 4HY: before 2020BN21 4HZ: before 2020BN21 4JA: before 2020BN21 4JB: before 2020BN21 4JD: before 2020BN21 4JE: before 2020BN21 4JF: before 2020BN21 4JJ: before 2020BN21 4JN: before 2020BN21 4JQ: before 2020BN21 4JR: before 2020BN21 4JX: before 2020BN21 4JY: before 2020BN21 4JZ: before 2020BN21 4LD: before 2020BN21 4LG: before 2020BN21 4LH: before 2020BN21 4LJ: before 2020BN21 4LL: before 2020BN21 4LN: before 2020BN21 4LP: before 2020BN21 4LR: before 2020BN21 4LS: before 2020BN21 4LT: before 2020BN21 4LU: before 2020BN21 4LW: before 2020BN21 4LZ: before 2020BN21 4NE: before 2020BN21 4NG: before 2020BN21 4NH: before 2020BN21 4NJ: before 2020BN21 4NL: before 2020BN21 4NN: before 2020BN21 4NS: before 2020BN21 4NT: before 2020BN21 4NU: before 2020BN21 4NX: before 2020BN21 4NY: before 2020BN21 4PA: before 2020BN21 4PB: before 2020BN21 4PD: before 2020BN21 4PE: before 2020BN21 4PH: before 2020BN21 4PJ: before 2020BN21 4PN: before 2020BN21 4PP: before 2020BN21 4PR: before 2020BN21 4PT: before 2020BN21 4PU: before 2020BN21 4PX: before 2020BN21 4PY: before 2020BN21 4QA: before 2020BN21 4QD: before 2020BN21 4QE: before 2020BN21 4QG: before 2020BN21 4QH: before 2020BN21 4QN: before 2020BN21 4QR: before 2020BN21 4QS: before 2020BN21 4QU: before 2020BN21 4QX: before 2020BN21 4QY: before 2020BN21 4QZ: before 2020BN21 4RA: before 2020BN21 4RB: before 2020BN21 4RD: before 2020BN21 4RE: before 2020BN21 4RG: before 2020BN21 4RJ: before 2020BN21 4RL: before 2020BN21 4RU: before 2020BN21 4RX: before 2020BN21 4RY: before 2020BN21 4SA: before 2020BN21 4SD: before 2020BN21 4SF: before 2020BN21 4SH: before 2020BN21 4SL: before 2020BN21 4SN: before 2020BN21 4SP: before 2020BN21 4SR: before 2020BN21 4SS: before 2020BN21 4ST: before 2020BN21 4SU: before 2020BN21 4SX: before 2020BN21 4SY: before 2020BN21 4TA: before 2020BN21 4TJ: before 2020BN21 4TL: before 2020BN21 4TR: before 2020BN21 4TT: before 2020BN21 4TU: before 2020BN21 4TW: before 2020BN21 4TX: before 2020BN21 4TY: before 2020BN21 4UA: before 2020BN21 4UD: before 2020BN21 4UF: before 2020BN21 4UG: before 2020BN21 4UH: before 2020BN21 4UJ: before 2020BN21 4UL: before 2020BN21 4UP: before 2020BN21 4UQ: before 2020BN21 4WR: before 2020BN21 4XB: before 2020BN21 4XF: before 2020BN21 4XG: before 2020BN21 4XH: before 2020BN21 4FD: new since 2020BN21 4FE: new since 2020BN21 4FF: new since 2020BN21 4FG: new since 2020BN21 4QJ: new since 2020 Meads Map of every postcode in the BN21 4 sector, by new since 2020 Of the 194 postcodes in the BN21 4 sector that ONS places, 5 are new since 2020 and 189 were in use before 2020. Places named: Meads. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Meads
  • New since 2020: 5
  • In use before 2020: 189

Of the 194 postcodes in the BN21 4 sector that ONS places, 5 are new since 2020 and 189 were in use before 2020.

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. New since 2020 means it came into use in January 2020 or later. 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; when each came into use: the same directory; 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 5 newest postcodes

BN21 4QJOctober 2025BN21 4FEFebruary 2025BN21 4FFSeptember 2024BN21 4FGDecember 2023BN21 4FDJanuary 2021

What do homes sell for in BN21 4?

Homes in BN21 4 sold for a typical £227,500 in the 12 months to August 2026, across 58 sales, up 1.1% on the 12 months before, HM Land Registry's figures show.

£227,500 typical price, the 12 months to August 2026
£225,000 12 months to August 2025
▲ up 1.1% on the 12 months before
  • Detached 2 sales, too few to price
  • Terraced £265,000 6 sales
  • Flat or maisonette £217,000 50 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 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 BN21 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.

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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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