IP1 1 postcode sector in the IP1 district

IP1 1 is a sector of the IP1 district: every postcode that starts IP1 1. It has 102 postcodes in use, 18 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 IP1 1 sector, by flood risk

Map of every postcode in the IP1 1 sector, by flood risk Of the 102 postcodes in the IP1 1 sector that ONS places, 25 are at very low risk only and 77 are not on the Environment Agency's at-risk list. Places named: Ipswich. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A1071A1022 IP1 1AG: not on the flood risk listIP1 1AN: not on the flood risk listIP1 1AQ: not on the flood risk listIP1 1AU: not on the flood risk listIP1 1AY: not on the flood risk listIP1 1BA: not on the flood risk listIP1 1BB: not on the flood risk listIP1 1BF: not on the flood risk listIP1 1BG: not on the flood risk listIP1 1BH: not on the flood risk listIP1 1BJ: not on the flood risk listIP1 1BP: not on the flood risk listIP1 1BQ: not on the flood risk listIP1 1BT: not on the flood risk listIP1 1BX: not on the flood risk listIP1 1BY: not on the flood risk listIP1 1DB: not on the flood risk listIP1 1DD: not on the flood risk listIP1 1DF: not on the flood risk listIP1 1DJ: not on the flood risk listIP1 1DL: not on the flood risk listIP1 1DN: not on the flood risk listIP1 1DP: not on the flood risk listIP1 1DQ: not on the flood risk listIP1 1DR: not on the flood risk listIP1 1DS: not on the flood risk listIP1 1DT: not on the flood risk listIP1 1EA: not on the flood risk listIP1 1EE: not on the flood risk listIP1 1EF: not on the flood risk listIP1 1EG: not on the flood risk listIP1 1EJ: not on the flood risk listIP1 1EN: not on the flood risk listIP1 1EP: not on the flood risk listIP1 1ER: not on the flood risk listIP1 1ES: not on the flood risk listIP1 1EW: not on the flood risk listIP1 1EX: not on the flood risk listIP1 1EY: not on the flood risk listIP1 1EZ: not on the flood risk listIP1 1HE: not on the flood risk listIP1 1HN: not on the flood risk listIP1 1HQ: not on the flood risk listIP1 1HT: not on the flood risk listIP1 1HZ: not on the flood risk listIP1 1JQ: not on the flood risk listIP1 1LH: not on the flood risk listIP1 1LP: not on the flood risk listIP1 1PH: not on the flood risk listIP1 1PN: not on the flood risk listIP1 1PS: not on the flood risk listIP1 1PU: not on the flood risk listIP1 1QT: not on the flood risk listIP1 1QU: not on the flood risk listIP1 1SH: not on the flood risk listIP1 1SL: not on the flood risk listIP1 1SS: not on the flood risk listIP1 1SW: not on the flood risk listIP1 1TF: not on the flood risk listIP1 1TG: not on the flood risk listIP1 1TH: not on the flood risk listIP1 1TJ: not on the flood risk listIP1 1TP: not on the flood risk listIP1 1TW: not on the flood risk listIP1 1XE: not on the flood risk listIP1 1AA: very low flood risk onlyIP1 1AF: very low flood risk onlyIP1 1AX: very low flood risk onlyIP1 1ED: very low flood risk onlyIP1 1LG: very low flood risk onlyIP1 1LS: very low flood risk onlyIP1 1NA: very low flood risk onlyIP1 1NB: very low flood risk onlyIP1 1QE: very low flood risk onlyIP1 1QJ: very low flood risk onlyIP1 1RJ: very low flood risk onlyIP1 1RR: very low flood risk onlyIP1 1RS: very low flood risk onlyIP1 1RY: very low flood risk onlyIP1 1SB: very low flood risk onlyIP1 1TD: very low flood risk onlyIP1 1TR: very low flood risk onlyIP1 1TS: very low flood risk onlyIP1 1UP: very low flood risk onlyIP1 1UQ: very low flood risk onlyIP1 1UZ: very low flood risk onlyIP1 1XB: very low flood risk onlyIP1 1XF: very low flood risk onlyIP1 1XG: very low flood risk onlyIP1 1XH: very low flood risk only Ipswich Map of every postcode in the IP1 1 sector, by flood risk Of the 102 postcodes in the IP1 1 sector that ONS places, 25 are at very low risk only and 77 are not on the Environment Agency's at-risk list. Places named: Alexandra. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Alexandra
  • 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: 25
  • Not on the at-risk list: 77

Of the 102 postcodes in the IP1 1 sector that ONS places, 25 are at very low risk only and 77 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

What do homes sell for in IP1 1?

Homes in IP1 1 sold for a typical £120,250 in the 12 months to August 2026, across 8 sales, down 45.3% on the 12 months before, HM Land Registry's figures show.

£120,250 typical price, the 12 months to August 2026
£220,000 12 months to August 2025
▼ down 45.3% on the 12 months before
  • Terraced 1 sale, too few to price
  • Flat or maisonette £120,000 7 sales

Standard sales of homes at market value at the postcodes that start IP1 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 IP1 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.

IP1 1AAIP1 1AFIP1 1AGIP1 1ANIP1 1AQIP1 1AUIP1 1AXIP1 1AYIP1 1BAIP1 1BBIP1 1BEIP1 1BFIP1 1BGIP1 1BHIP1 1BJIP1 1BPIP1 1BQIP1 1BTIP1 1BXIP1 1BYIP1 1DBIP1 1DDIP1 1DFIP1 1DGIP1 1DHIP1 1DJIP1 1DLIP1 1DNIP1 1DPIP1 1DQIP1 1DRIP1 1DSIP1 1DTIP1 1EAIP1 1EDIP1 1EEIP1 1EFIP1 1EGIP1 1EJIP1 1ENIP1 1EPIP1 1ERIP1 1ESIP1 1EWIP1 1EXIP1 1EYIP1 1EZIP1 1HEIP1 1HNIP1 1HQIP1 1HTIP1 1HZIP1 1JQIP1 1LGIP1 1LHIP1 1LPIP1 1LSIP1 1LWIP1 1LXIP1 1NAIP1 1NBIP1 1PHIP1 1PNIP1 1PSIP1 1PUIP1 1QEIP1 1QGIP1 1QJIP1 1QTIP1 1QUIP1 1REIP1 1RJIP1 1RRIP1 1RSIP1 1RYIP1 1SBIP1 1SHIP1 1SLIP1 1SSIP1 1SWIP1 1TAIP1 1TDIP1 1TFIP1 1TGIP1 1THIP1 1TJIP1 1TPIP1 1TRIP1 1TSIP1 1TWIP1 1UPIP1 1UQIP1 1UZIP1 1WYIP1 1XBIP1 1XDIP1 1XEIP1 1XFIP1 1XGIP1 1XHIP1 1YQIP1 1YR

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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