IP20 0 postcode sector in the IP20 district

IP20 0 is a sector of the IP20 district: every postcode that starts IP20 0. It has 125 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 IP20 0 sector, by flood risk

Map of every postcode in the IP20 0 sector, by flood risk Of the 125 postcodes in the IP20 0 sector that ONS places, 12 have a home or business at high risk, 1 are at medium risk at worst, 7 are at low risk at worst and 105 are not on the Environment Agency's at-risk list. Places named: Harleston. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. A143 IP20 0AA: not on the flood risk listIP20 0AB: not on the flood risk listIP20 0AD: not on the flood risk listIP20 0AF: not on the flood risk listIP20 0AG: not on the flood risk listIP20 0AH: not on the flood risk listIP20 0AJ: not on the flood risk listIP20 0AL: not on the flood risk listIP20 0AN: not on the flood risk listIP20 0AP: not on the flood risk listIP20 0AQ: not on the flood risk listIP20 0AR: not on the flood risk listIP20 0AS: not on the flood risk listIP20 0AU: not on the flood risk listIP20 0AW: not on the flood risk listIP20 0AX: not on the flood risk listIP20 0AY: not on the flood risk listIP20 0AZ: not on the flood risk listIP20 0BA: not on the flood risk listIP20 0BB: not on the flood risk listIP20 0BD: not on the flood risk listIP20 0BE: not on the flood risk listIP20 0BF: not on the flood risk listIP20 0BL: not on the flood risk listIP20 0BP: not on the flood risk listIP20 0BS: not on the flood risk listIP20 0BT: not on the flood risk listIP20 0BW: not on the flood risk listIP20 0BX: not on the flood risk listIP20 0BY: not on the flood risk listIP20 0BZ: not on the flood risk listIP20 0DA: not on the flood risk listIP20 0DB: not on the flood risk listIP20 0DF: not on the flood risk listIP20 0DG: not on the flood risk listIP20 0DH: not on the flood risk listIP20 0DJ: not on the flood risk listIP20 0DL: not on the flood risk listIP20 0DN: not on the flood risk listIP20 0DP: not on the flood risk listIP20 0DR: not on the flood risk listIP20 0DS: not on the flood risk listIP20 0DT: not on the flood risk listIP20 0EG: not on the flood risk listIP20 0HA: not on the flood risk listIP20 0HB: not on the flood risk listIP20 0HE: not on the flood risk listIP20 0HG: not on the flood risk listIP20 0HH: not on the flood risk listIP20 0HQ: not on the flood risk listIP20 0HR: not on the flood risk listIP20 0HS: not on the flood risk listIP20 0JB: not on the flood risk listIP20 0JD: not on the flood risk listIP20 0JF: not on the flood risk listIP20 0JJ: not on the flood risk listIP20 0JL: not on the flood risk listIP20 0JN: not on the flood risk listIP20 0JQ: not on the flood risk listIP20 0JR: not on the flood risk listIP20 0JY: not on the flood risk listIP20 0JZ: not on the flood risk listIP20 0LA: not on the flood risk listIP20 0LB: not on the flood risk listIP20 0LD: not on the flood risk listIP20 0LE: not on the flood risk listIP20 0LG: not on the flood risk listIP20 0LH: not on the flood risk listIP20 0LJ: not on the flood risk listIP20 0LL: not on the flood risk listIP20 0LN: not on the flood risk listIP20 0LP: not on the flood risk listIP20 0LQ: not on the flood risk listIP20 0LR: not on the flood risk listIP20 0LS: not on the flood risk listIP20 0LT: not on the flood risk listIP20 0LU: not on the flood risk listIP20 0LX: not on the flood risk listIP20 0LY: not on the flood risk listIP20 0NJ: not on the flood risk listIP20 0NP: not on the flood risk listIP20 0NR: not on the flood risk listIP20 0NS: not on the flood risk listIP20 0NT: not on the flood risk listIP20 0NU: not on the flood risk listIP20 0NX: not on the flood risk listIP20 0NY: not on the flood risk listIP20 0NZ: not on the flood risk listIP20 0PA: not on the flood risk listIP20 0PD: not on the flood risk listIP20 0PE: not on the flood risk listIP20 0PF: not on the flood risk listIP20 0PG: not on the flood risk listIP20 0PH: not on the flood risk listIP20 0PJ: not on the flood risk listIP20 0PL: not on the flood risk listIP20 0PN: not on the flood risk listIP20 0PQ: not on the flood risk listIP20 0PR: not on the flood risk listIP20 0PS: not on the flood risk listIP20 0PX: not on the flood risk listIP20 0PY: not on the flood risk listIP20 0PZ: not on the flood risk listIP20 0WD: not on the flood risk listIP20 0AT: low flood risk at worstIP20 0EF: low flood risk at worstIP20 0EX: low flood risk at worstIP20 0NH: low flood risk at worstIP20 0NL: low flood risk at worstIP20 0PB: low flood risk at worstIP20 0JX: medium flood risk at worstIP20 0AE: high flood riskIP20 0EJ: high flood riskIP20 0EN: high flood riskIP20 0EP: high flood riskIP20 0ET: high flood riskIP20 0HJ: high flood riskIP20 0HP: high flood riskIP20 0JE: high flood riskIP20 0JG: high flood riskIP20 0JH: high flood riskIP20 0JP: high flood riskIP20 0NN: high flood risk Harleston Map of every postcode in the IP20 0 sector, by flood risk Of the 125 postcodes in the IP20 0 sector that ONS places, 12 have a home or business at high risk, 1 are at medium risk at worst, 7 are at low risk at worst and 105 are not on the Environment Agency's at-risk list. Places named: Harleston. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. A143 Harleston
  • A home or business at high risk: 12
  • At medium risk at worst: 1
  • At low risk at worst: 7
  • At very low risk only: 0
  • Not on the at-risk list: 105

Of the 125 postcodes in the IP20 0 sector that ONS places, 12 have a home or business at high risk, 1 are at medium risk at worst, 7 are at low risk at worst and 105 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.

IP20 0AE5 at high riskIP20 0HJ4 at high riskIP20 0EJ2 at high riskIP20 0ET2 at high riskIP20 0JE2 at high riskIP20 0JH2 at high riskIP20 0EN1 at high riskIP20 0EP1 at high riskIP20 0HP1 at high riskIP20 0JG1 at high riskIP20 0JP1 at high riskIP20 0NN1 at high risk

What do homes sell for in IP20 0?

Homes in IP20 0 sold for a typical £357,500 in the 12 months to August 2026, across 29 sales, up 7.5% on the 12 months before, HM Land Registry's figures show.

£357,500 typical price, the 12 months to August 2026
£332,500 12 months to August 2025
▲ up 7.5% on the 12 months before
  • Detached £435,000 17 sales
  • Semi-detached £217,500 9 sales
  • Terraced 3 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 IP20 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

Postcodes in IP20 0

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.

IP20 0AAIP20 0ABIP20 0ADIP20 0AEIP20 0AFIP20 0AGIP20 0AHIP20 0AJIP20 0ALIP20 0ANIP20 0APIP20 0AQIP20 0ARIP20 0ASIP20 0ATIP20 0AUIP20 0AWIP20 0AXIP20 0AYIP20 0AZIP20 0BAIP20 0BBIP20 0BDIP20 0BEIP20 0BFIP20 0BLIP20 0BPIP20 0BSIP20 0BTIP20 0BWIP20 0BXIP20 0BYIP20 0BZIP20 0DAIP20 0DBIP20 0DFIP20 0DGIP20 0DHIP20 0DJIP20 0DLIP20 0DNIP20 0DPIP20 0DRIP20 0DSIP20 0DTIP20 0EFIP20 0EGIP20 0EJIP20 0ELIP20 0ENIP20 0EPIP20 0ETIP20 0EUIP20 0EXIP20 0HAIP20 0HBIP20 0HEIP20 0HGIP20 0HHIP20 0HJIP20 0HPIP20 0HQIP20 0HRIP20 0HSIP20 0JBIP20 0JDIP20 0JEIP20 0JFIP20 0JGIP20 0JHIP20 0JJIP20 0JLIP20 0JNIP20 0JPIP20 0JQIP20 0JRIP20 0JXIP20 0JYIP20 0JZIP20 0LAIP20 0LBIP20 0LDIP20 0LEIP20 0LGIP20 0LHIP20 0LJIP20 0LLIP20 0LNIP20 0LPIP20 0LQIP20 0LRIP20 0LSIP20 0LTIP20 0LUIP20 0LXIP20 0LYIP20 0NHIP20 0NJIP20 0NLIP20 0NNIP20 0NPIP20 0NRIP20 0NSIP20 0NTIP20 0NUIP20 0NXIP20 0NYIP20 0NZIP20 0PAIP20 0PBIP20 0PDIP20 0PEIP20 0PFIP20 0PGIP20 0PHIP20 0PJIP20 0PLIP20 0PNIP20 0PQIP20 0PRIP20 0PSIP20 0PXIP20 0PYIP20 0PZIP20 0WD

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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