IP5 3 postcode sector in the IP5 district

IP5 3 is a sector of the IP5 district: every postcode that starts IP5 3. It has 97 postcodes in use, 4 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 IP5 3 sector, by gigabit broadband

Map of every postcode in the IP5 3 sector, by gigabit broadband Of the 97 postcodes in the IP5 3 sector that ONS places, 9 have no home or business that can get gigabit, 12 have some that can, 75 can all get it and 1 have no Ofcom figure. One group of postcodes without gigabit is outlined: 8 postcodes without gigabit. One postcode lies beyond the edge and is listed under the map. Places named: Martlesham Heath. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A12A1214 IP5 3AB: gigabit for allIP5 3PH: gigabit for allIP5 3PJ: gigabit for allIP5 3PL: gigabit for allIP5 3QA: gigabit for allIP5 3QP: gigabit for allIP5 3QS: gigabit for allIP5 3QY: gigabit for allIP5 3QZ: gigabit for allIP5 3RA: gigabit for allIP5 3RB: gigabit for allIP5 3RG: gigabit for allIP5 3RH: gigabit for allIP5 3RJ: gigabit for allIP5 3RL: gigabit for allIP5 3RU: gigabit for allIP5 3RX: gigabit for allIP5 3RY: gigabit for allIP5 3SA: gigabit for allIP5 3SB: gigabit for allIP5 3SD: gigabit for allIP5 3SE: gigabit for allIP5 3SF: gigabit for allIP5 3SH: gigabit for allIP5 3SJ: gigabit for allIP5 3SN: gigabit for allIP5 3SP: gigabit for allIP5 3SQ: gigabit for allIP5 3SR: gigabit for allIP5 3SS: gigabit for allIP5 3ST: gigabit for allIP5 3SU: gigabit for allIP5 3SW: gigabit for allIP5 3SX: gigabit for allIP5 3SY: gigabit for allIP5 3SZ: gigabit for allIP5 3TA: gigabit for allIP5 3TB: gigabit for allIP5 3TD: gigabit for allIP5 3TE: gigabit for allIP5 3TF: gigabit for allIP5 3TG: gigabit for allIP5 3TH: gigabit for allIP5 3TJ: gigabit for allIP5 3TL: gigabit for allIP5 3TN: gigabit for allIP5 3TP: gigabit for allIP5 3TQ: gigabit for allIP5 3TR: gigabit for allIP5 3TS: gigabit for allIP5 3TT: gigabit for allIP5 3TU: gigabit for allIP5 3TW: gigabit for allIP5 3TX: gigabit for allIP5 3TY: gigabit for allIP5 3TZ: gigabit for allIP5 3UA: gigabit for allIP5 3UB: gigabit for allIP5 3UD: gigabit for allIP5 3UE: gigabit for allIP5 3UF: gigabit for allIP5 3UG: gigabit for allIP5 3UH: gigabit for allIP5 3UJ: gigabit for allIP5 3UL: gigabit for allIP5 3UN: gigabit for allIP5 3UP: gigabit for allIP5 3UQ: gigabit for allIP5 3UR: gigabit for allIP5 3UT: gigabit for allIP5 3UU: gigabit for allIP5 3UW: gigabit for allIP5 3UX: gigabit for allIP5 3UY: gigabit for allIP5 3UZ: gigabit for allIP5 3QR: some gigabitIP5 3QT: some gigabitIP5 3QU: some gigabitIP5 3QW: some gigabitIP5 3QX: some gigabitIP5 3RD: some gigabitIP5 3RE: some gigabitIP5 3RF: some gigabitIP5 3RQ: some gigabitIP5 3RZ: some gigabitIP5 3SG: some gigabitIP5 3SL: some gigabitIP5 3QJ: no gigabitIP5 3QL: no gigabitIP5 3QN: no gigabitIP5 3RN: no gigabitIP5 3RP: no gigabitIP5 3RR: no gigabitIP5 3RS: no gigabitIP5 3RT: no gigabitIP5 3RW: no gigabit Martlesham Heath 8 postcodes without gigabit, outlined: this goes to IP5 3RS, the one nearest the middle of them8 postcodes without gigabit Map of every postcode in the IP5 3 sector, by gigabit broadband Of the 97 postcodes in the IP5 3 sector that ONS places, 9 have no home or business that can get gigabit, 12 have some that can, 75 can all get it and 1 have no Ofcom figure. One group of postcodes without gigabit is outlined: 8 postcodes without gigabit. One postcode lies beyond the edge and is listed under the map. Places named: Martlesham Heath. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A12A1214 Martlesham Heath 8 postcodes without gigabit, outlined: this goes to IP5 3RS, the one nearest the middle of them8 postcodes without gigabit
  • No home or business can get gigabit: 9
  • Some can get gigabit: 12
  • Every home and business can get gigabit: 75
  • Ofcom gives no figure: 1
  • Outline: where 5 or more postcodes without gigabit lie together

Of the 97 postcodes in the IP5 3 sector that ONS places, 9 have no home or business that can get gigabit, 12 have some that can, 75 can all get it and 1 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 180 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.

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

Further out, not drawn

This postcode lies well apart from the rest, so the map is drawn without it to show the rest closer; it is in every count.

Where the postcodes without gigabit lie together

What do homes sell for in IP5 3?

Homes in IP5 3 sold for a typical £379,000 in the 12 months to August 2026, across 37 sales, up 14.8% on the 12 months before, HM Land Registry's figures show.

£379,000 typical price, the 12 months to August 2026
£330,000 12 months to August 2025
▲ up 14.8% on the 12 months before
  • Detached £385,000 15 sales
  • Semi-detached £380,000 11 sales
  • Terraced £248,750 8 sales
  • Flat or maisonette 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 IP5 3. 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.

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