PO20 1 postcode sector in the PO20 district

PO20 1 is a sector of the PO20 district: every postcode that starts PO20 1. It has 124 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 PO20 1 sector, by flood risk

Map of every postcode in the PO20 1 sector, by flood risk Of the 124 postcodes in the PO20 1 sector that ONS places, 2 have a home or business at high risk, 1 are at low risk at worst, 8 are at very low risk only and 113 are not on the Environment Agency's at-risk list. Places named: North Mundham & Tangmere. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A259A27 PO20 1AA: not on the flood risk listPO20 1AB: not on the flood risk listPO20 1AD: not on the flood risk listPO20 1AE: not on the flood risk listPO20 1AF: not on the flood risk listPO20 1AG: not on the flood risk listPO20 1AH: not on the flood risk listPO20 1AJ: not on the flood risk listPO20 1AL: not on the flood risk listPO20 1AN: not on the flood risk listPO20 1AP: not on the flood risk listPO20 1AQ: not on the flood risk listPO20 1AR: not on the flood risk listPO20 1AS: not on the flood risk listPO20 1AT: not on the flood risk listPO20 1AU: not on the flood risk listPO20 1AW: not on the flood risk listPO20 1AX: not on the flood risk listPO20 1AY: not on the flood risk listPO20 1AZ: not on the flood risk listPO20 1BA: not on the flood risk listPO20 1BD: not on the flood risk listPO20 1BE: not on the flood risk listPO20 1BF: not on the flood risk listPO20 1BG: not on the flood risk listPO20 1BH: not on the flood risk listPO20 1BJ: not on the flood risk listPO20 1BL: not on the flood risk listPO20 1BP: not on the flood risk listPO20 1DY: not on the flood risk listPO20 1DZ: not on the flood risk listPO20 1EA: not on the flood risk listPO20 1EB: not on the flood risk listPO20 1ED: not on the flood risk listPO20 1EE: not on the flood risk listPO20 1EF: not on the flood risk listPO20 1EG: not on the flood risk listPO20 1EH: not on the flood risk listPO20 1EJ: not on the flood risk listPO20 1EN: not on the flood risk listPO20 1EQ: not on the flood risk listPO20 1JG: not on the flood risk listPO20 1JH: not on the flood risk listPO20 1JJ: not on the flood risk listPO20 1JL: not on the flood risk listPO20 1JN: not on the flood risk listPO20 1JP: not on the flood risk listPO20 1JQ: not on the flood risk listPO20 1JR: not on the flood risk listPO20 1JS: not on the flood risk listPO20 1JU: not on the flood risk listPO20 1JW: not on the flood risk listPO20 1JX: not on the flood risk listPO20 1JY: not on the flood risk listPO20 1JZ: not on the flood risk listPO20 1LA: not on the flood risk listPO20 1LB: not on the flood risk listPO20 1LD: not on the flood risk listPO20 1LE: not on the flood risk listPO20 1LF: not on the flood risk listPO20 1LG: not on the flood risk listPO20 1LH: not on the flood risk listPO20 1LL: not on the flood risk listPO20 1LP: not on the flood risk listPO20 1LQ: not on the flood risk listPO20 1LR: not on the flood risk listPO20 1LS: not on the flood risk listPO20 1LT: not on the flood risk listPO20 1LU: not on the flood risk listPO20 1LW: not on the flood risk listPO20 1LX: not on the flood risk listPO20 1LY: not on the flood risk listPO20 1LZ: not on the flood risk listPO20 1NA: not on the flood risk listPO20 1ND: not on the flood risk listPO20 1NG: not on the flood risk listPO20 1NH: not on the flood risk listPO20 1NL: not on the flood risk listPO20 1NP: not on the flood risk listPO20 1NQ: not on the flood risk listPO20 1NR: not on the flood risk listPO20 1NS: not on the flood risk listPO20 1NU: not on the flood risk listPO20 1NW: not on the flood risk listPO20 1NY: not on the flood risk listPO20 1NZ: not on the flood risk listPO20 1PA: not on the flood risk listPO20 1PE: not on the flood risk listPO20 1PF: not on the flood risk listPO20 1PG: not on the flood risk listPO20 1PH: not on the flood risk listPO20 1PJ: not on the flood risk listPO20 1PL: not on the flood risk listPO20 1PN: not on the flood risk listPO20 1PP: not on the flood risk listPO20 1PQ: not on the flood risk listPO20 1PR: not on the flood risk listPO20 1PW: not on the flood risk listPO20 1PY: not on the flood risk listPO20 1PZ: not on the flood risk listPO20 1QA: not on the flood risk listPO20 1QB: not on the flood risk listPO20 1QD: not on the flood risk listPO20 1QF: not on the flood risk listPO20 1QG: not on the flood risk listPO20 1QH: not on the flood risk listPO20 1QL: not on the flood risk listPO20 1SP: not on the flood risk listPO20 1WP: not on the flood risk listPO20 1YU: not on the flood risk listPO20 1LJ: very low flood risk onlyPO20 1LN: very low flood risk onlyPO20 1NB: very low flood risk onlyPO20 1PS: very low flood risk onlyPO20 1PT: very low flood risk onlyPO20 1PU: very low flood risk onlyPO20 1PX: very low flood risk onlyPO20 1XJ: very low flood risk onlyPO20 1EL: low flood risk at worstPO20 1PB: high flood riskPO20 1PD: high flood risk North Mundham & Tangmere Map of every postcode in the PO20 1 sector, by flood risk Of the 124 postcodes in the PO20 1 sector that ONS places, 2 have a home or business at high risk, 1 are at low risk at worst, 8 are at very low risk only and 113 are not on the Environment Agency's at-risk list. Places named: North Mundham & Tangmere. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A259 North Mundham & Tangmere
  • A home or business at high risk: 2
  • At medium risk at worst: 0
  • At low risk at worst: 1
  • At very low risk only: 8
  • Not on the at-risk list: 113

Of the 124 postcodes in the PO20 1 sector that ONS places, 2 have a home or business at high risk, 1 are at low risk at worst, 8 are at very low risk only and 113 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. 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; 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.

PO20 1PB2 at high riskPO20 1PD1 at high risk

What do homes sell for in PO20 1?

Homes in PO20 1 sold for a typical £380,000 in the 12 months to August 2026, across 35 sales, up 13.4% on the 12 months before, HM Land Registry's figures show.

£380,000 typical price, the 12 months to August 2026
£335,000 12 months to August 2025
▲ up 13.4% on the 12 months before
  • Detached £515,000 15 sales
  • Semi-detached £380,000 9 sales
  • Terraced £335,000 7 sales
  • Flat or maisonette 4 sales, too few to price

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 PO20 1. 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 PO20 1

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.

PO20 1AAPO20 1ABPO20 1ADPO20 1AEPO20 1AFPO20 1AGPO20 1AHPO20 1AJPO20 1ALPO20 1ANPO20 1APPO20 1AQPO20 1ARPO20 1ASPO20 1ATPO20 1AUPO20 1AWPO20 1AXPO20 1AYPO20 1AZPO20 1BAPO20 1BDPO20 1BEPO20 1BFPO20 1BGPO20 1BHPO20 1BJPO20 1BLPO20 1BPPO20 1BQPO20 1DYPO20 1DZPO20 1EAPO20 1EBPO20 1EDPO20 1EEPO20 1EFPO20 1EGPO20 1EHPO20 1EJPO20 1ELPO20 1ENPO20 1EQPO20 1JGPO20 1JHPO20 1JJPO20 1JLPO20 1JNPO20 1JPPO20 1JQPO20 1JRPO20 1JSPO20 1JUPO20 1JWPO20 1JXPO20 1JYPO20 1JZPO20 1LAPO20 1LBPO20 1LDPO20 1LEPO20 1LFPO20 1LGPO20 1LHPO20 1LJPO20 1LLPO20 1LNPO20 1LPPO20 1LQPO20 1LRPO20 1LSPO20 1LTPO20 1LUPO20 1LWPO20 1LXPO20 1LYPO20 1LZPO20 1NAPO20 1NBPO20 1NDPO20 1NGPO20 1NHPO20 1NLPO20 1NPPO20 1NQPO20 1NRPO20 1NSPO20 1NTPO20 1NUPO20 1NWPO20 1NXPO20 1NYPO20 1NZPO20 1PAPO20 1PBPO20 1PDPO20 1PEPO20 1PFPO20 1PGPO20 1PHPO20 1PJPO20 1PLPO20 1PNPO20 1PPPO20 1PQPO20 1PRPO20 1PSPO20 1PTPO20 1PUPO20 1PWPO20 1PXPO20 1PYPO20 1PZPO20 1QAPO20 1QBPO20 1QDPO20 1QFPO20 1QGPO20 1QHPO20 1QLPO20 1SPPO20 1WPPO20 1XJPO20 1YU

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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