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 gigabit broadband

Map of every postcode in the IP1 1 sector, by gigabit broadband Of the 102 postcodes in the IP1 1 sector that ONS places, 13 have no home or business that can get gigabit, 21 have some that can, 56 can all get it and 12 have no Ofcom figure. One group of postcodes without gigabit is outlined: 13 postcodes without gigabit. Places named: Ipswich. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A1071A1022 IP1 1ES: no Ofcom figureIP1 1LP: no Ofcom figureIP1 1AA: gigabit for allIP1 1AF: gigabit for allIP1 1AG: gigabit for allIP1 1AN: gigabit for allIP1 1AQ: gigabit for allIP1 1AU: gigabit for allIP1 1BF: gigabit for allIP1 1BG: gigabit for allIP1 1DB: gigabit for allIP1 1DF: gigabit for allIP1 1DQ: gigabit for allIP1 1DS: gigabit for allIP1 1ED: gigabit for allIP1 1EE: gigabit for allIP1 1EF: gigabit for allIP1 1EG: gigabit for allIP1 1EJ: gigabit for allIP1 1EP: gigabit for allIP1 1ER: gigabit for allIP1 1EW: gigabit for allIP1 1EY: gigabit for allIP1 1EZ: gigabit for allIP1 1HE: gigabit for allIP1 1HN: gigabit for allIP1 1HQ: gigabit for allIP1 1JQ: gigabit for allIP1 1LG: gigabit for allIP1 1NA: gigabit for allIP1 1NB: gigabit for allIP1 1PN: gigabit for allIP1 1PS: gigabit for allIP1 1PU: gigabit for allIP1 1QE: gigabit for allIP1 1QT: gigabit for allIP1 1QU: gigabit for allIP1 1RJ: gigabit for allIP1 1RR: gigabit for allIP1 1RS: gigabit for allIP1 1RY: gigabit for allIP1 1SB: gigabit for allIP1 1SH: gigabit for allIP1 1SS: gigabit for allIP1 1SW: gigabit for allIP1 1TD: gigabit for allIP1 1TG: gigabit for allIP1 1TH: gigabit for allIP1 1TJ: gigabit for allIP1 1TP: gigabit for allIP1 1TR: gigabit for allIP1 1UP: gigabit for allIP1 1UQ: gigabit for allIP1 1UZ: gigabit for allIP1 1XG: gigabit for allIP1 1XH: gigabit for allIP1 1LW: gigabit for allIP1 1AX: some gigabitIP1 1BJ: some gigabitIP1 1BP: some gigabitIP1 1BX: some gigabitIP1 1BY: some gigabitIP1 1DD: some gigabitIP1 1DJ: some gigabitIP1 1DL: some gigabitIP1 1EX: some gigabitIP1 1HT: some gigabitIP1 1HZ: some gigabitIP1 1LS: some gigabitIP1 1PH: some gigabitIP1 1QJ: some gigabitIP1 1SL: some gigabitIP1 1TF: some gigabitIP1 1TS: some gigabitIP1 1TW: some gigabitIP1 1XB: some gigabitIP1 1XE: some gigabitIP1 1XF: some gigabitIP1 1AY: no gigabitIP1 1BA: no gigabitIP1 1BB: no gigabitIP1 1BH: no gigabitIP1 1BQ: no gigabitIP1 1BT: no gigabitIP1 1DN: no gigabitIP1 1DP: no gigabitIP1 1DR: no gigabitIP1 1DT: no gigabitIP1 1EA: no gigabitIP1 1EN: no gigabit Ipswich 13 postcodes without gigabit, outlined: this goes to IP1 1DP, the one nearest the middle of them13 postcodes without gigabit Map of every postcode in the IP1 1 sector, by gigabit broadband Of the 102 postcodes in the IP1 1 sector that ONS places, 13 have no home or business that can get gigabit, 21 have some that can, 56 can all get it and 12 have no Ofcom figure. One group of postcodes without gigabit is outlined: 13 postcodes without gigabit. Places named: Alexandra. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Alexandra
  • No home or business can get gigabit: 13
  • Some can get gigabit: 21
  • Every home and business can get gigabit: 56
  • Ofcom gives no figure: 12
  • Outline: where 5 or more postcodes without gigabit lie together

Of the 102 postcodes in the IP1 1 sector that ONS places, 13 have no home or business that can get gigabit, 21 have some that can, 56 can all get it and 12 have no Ofcom figure.

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. A dashed outline shows where 5 or more lie within 150 metres of each other. It is not a boundary, and 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; gigabit: Ofcom, Connected Nations, Spring 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

Postcodes without gigabit

13 postcodes here have no gigabit. These are the 12 first in postcode order.

IP1 1AYIP1 1BAIP1 1BBIP1 1BEIP1 1BHIP1 1BQIP1 1BTIP1 1DNIP1 1DPIP1 1DRIP1 1DTIP1 1EA

Where the postcodes without gigabit lie together

  • 13 postcodes without gigabit, outlined on the map. IP1 1DP, is the one nearest the middle of 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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