BN20 0 postcode sector in the BN20 district

BN20 0 is a sector of the BN20 district: every postcode that starts BN20 0. It has 98 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 BN20 0 sector, by flood risk

Map of every postcode in the BN20 0 sector, by flood risk Of the 98 postcodes in the BN20 0 sector that ONS places, 98 are not on the Environment Agency's at-risk list. Places named: East Dean and Friston. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A259 BN20 0AA: not on the flood risk listBN20 0AB: not on the flood risk listBN20 0AD: not on the flood risk listBN20 0AE: not on the flood risk listBN20 0AG: not on the flood risk listBN20 0AH: not on the flood risk listBN20 0AJ: not on the flood risk listBN20 0AL: not on the flood risk listBN20 0AN: not on the flood risk listBN20 0AR: not on the flood risk listBN20 0AS: not on the flood risk listBN20 0AT: not on the flood risk listBN20 0AU: not on the flood risk listBN20 0AW: not on the flood risk listBN20 0AX: not on the flood risk listBN20 0AY: not on the flood risk listBN20 0AZ: not on the flood risk listBN20 0BA: not on the flood risk listBN20 0BB: not on the flood risk listBN20 0BD: not on the flood risk listBN20 0BE: not on the flood risk listBN20 0BL: not on the flood risk listBN20 0BP: not on the flood risk listBN20 0BS: not on the flood risk listBN20 0BT: not on the flood risk listBN20 0BU: not on the flood risk listBN20 0BX: not on the flood risk listBN20 0BY: not on the flood risk listBN20 0DA: not on the flood risk listBN20 0DB: not on the flood risk listBN20 0DD: not on the flood risk listBN20 0DE: not on the flood risk listBN20 0DG: not on the flood risk listBN20 0DH: not on the flood risk listBN20 0DJ: not on the flood risk listBN20 0DL: not on the flood risk listBN20 0DN: not on the flood risk listBN20 0DP: not on the flood risk listBN20 0DQ: not on the flood risk listBN20 0DR: not on the flood risk listBN20 0DS: not on the flood risk listBN20 0DT: not on the flood risk listBN20 0EA: not on the flood risk listBN20 0EB: not on the flood risk listBN20 0ED: not on the flood risk listBN20 0EE: not on the flood risk listBN20 0EF: not on the flood risk listBN20 0EG: not on the flood risk listBN20 0EH: not on the flood risk listBN20 0EJ: not on the flood risk listBN20 0EL: not on the flood risk listBN20 0EN: not on the flood risk listBN20 0EP: not on the flood risk listBN20 0ER: not on the flood risk listBN20 0ES: not on the flood risk listBN20 0ET: not on the flood risk listBN20 0EU: not on the flood risk listBN20 0EW: not on the flood risk listBN20 0EX: not on the flood risk listBN20 0EY: not on the flood risk listBN20 0EZ: not on the flood risk listBN20 0HA: not on the flood risk listBN20 0HB: not on the flood risk listBN20 0HD: not on the flood risk listBN20 0HE: not on the flood risk listBN20 0HP: not on the flood risk listBN20 0HR: not on the flood risk listBN20 0HS: not on the flood risk listBN20 0HT: not on the flood risk listBN20 0HU: not on the flood risk listBN20 0HX: not on the flood risk listBN20 0HY: not on the flood risk listBN20 0HZ: not on the flood risk listBN20 0JA: not on the flood risk listBN20 0JB: not on the flood risk listBN20 0JD: not on the flood risk listBN20 0JE: not on the flood risk listBN20 0JF: not on the flood risk listBN20 0JG: not on the flood risk listBN20 0JH: not on the flood risk listBN20 0JJ: not on the flood risk listBN20 0JL: not on the flood risk listBN20 0JN: not on the flood risk listBN20 0JP: not on the flood risk listBN20 0JR: not on the flood risk listBN20 0JS: not on the flood risk listBN20 0JT: not on the flood risk listBN20 0JU: not on the flood risk listBN20 0JX: not on the flood risk listBN20 0JY: not on the flood risk listBN20 0JZ: not on the flood risk listBN20 0LA: not on the flood risk listBN20 0LB: not on the flood risk listBN20 0LE: not on the flood risk listBN20 0LF: not on the flood risk listBN20 0LG: not on the flood risk listBN20 0LH: not on the flood risk listBN20 0LJ: not on the flood risk list East Dean and Friston Map of every postcode in the BN20 0 sector, by flood risk Of the 98 postcodes in the BN20 0 sector that ONS places, 98 are not on the Environment Agency's at-risk list. Places named: East Dean and Friston. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. East Dean and Friston
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 98

Of the 98 postcodes in the BN20 0 sector that ONS places, 98 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.

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

What do homes sell for in BN20 0?

Homes in BN20 0 sold for a typical £645,000 in the 12 months to August 2026, across 21 sales, down 18.9% on the 12 months before, HM Land Registry's figures show.

£645,000 typical price, the 12 months to August 2026
£795,000 12 months to August 2025
▼ down 18.9% on the 12 months before
  • Detached £647,500 20 sales
  • Flat or maisonette 1 sale, too few to price

Standard sales of homes at market value at the postcodes that start BN20 0. 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

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.

Check a postcode

Something wrong on this page? Report an error and we will check it against the source.