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, and which are new since 2020

Map of every postcode in the IP5 3 sector, by new since 2020 Of the 97 postcodes in the IP5 3 sector that ONS places, 1 are new since 2020 and 96 were in use before 2020. 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 3PH: before 2020IP5 3PJ: before 2020IP5 3PL: before 2020IP5 3QA: before 2020IP5 3QJ: before 2020IP5 3QL: before 2020IP5 3QN: before 2020IP5 3QP: before 2020IP5 3QR: before 2020IP5 3QS: before 2020IP5 3QT: before 2020IP5 3QU: before 2020IP5 3QW: before 2020IP5 3QX: before 2020IP5 3QY: before 2020IP5 3QZ: before 2020IP5 3RA: before 2020IP5 3RB: before 2020IP5 3RD: before 2020IP5 3RE: before 2020IP5 3RF: before 2020IP5 3RG: before 2020IP5 3RH: before 2020IP5 3RJ: before 2020IP5 3RL: before 2020IP5 3RN: before 2020IP5 3RP: before 2020IP5 3RQ: before 2020IP5 3RR: before 2020IP5 3RS: before 2020IP5 3RT: before 2020IP5 3RU: before 2020IP5 3RW: before 2020IP5 3RX: before 2020IP5 3RY: before 2020IP5 3RZ: before 2020IP5 3SA: before 2020IP5 3SB: before 2020IP5 3SD: before 2020IP5 3SE: before 2020IP5 3SF: before 2020IP5 3SG: before 2020IP5 3SH: before 2020IP5 3SJ: before 2020IP5 3SL: before 2020IP5 3SN: before 2020IP5 3SP: before 2020IP5 3SQ: before 2020IP5 3SR: before 2020IP5 3SS: before 2020IP5 3ST: before 2020IP5 3SU: before 2020IP5 3SW: before 2020IP5 3SX: before 2020IP5 3SY: before 2020IP5 3SZ: before 2020IP5 3TA: before 2020IP5 3TB: before 2020IP5 3TD: before 2020IP5 3TE: before 2020IP5 3TF: before 2020IP5 3TG: before 2020IP5 3TH: before 2020IP5 3TJ: before 2020IP5 3TL: before 2020IP5 3TN: before 2020IP5 3TP: before 2020IP5 3TQ: before 2020IP5 3TR: before 2020IP5 3TS: before 2020IP5 3TT: before 2020IP5 3TU: before 2020IP5 3TW: before 2020IP5 3TX: before 2020IP5 3TY: before 2020IP5 3TZ: before 2020IP5 3UA: before 2020IP5 3UB: before 2020IP5 3UD: before 2020IP5 3UE: before 2020IP5 3UF: before 2020IP5 3UG: before 2020IP5 3UH: before 2020IP5 3UJ: before 2020IP5 3UL: before 2020IP5 3UN: before 2020IP5 3UP: before 2020IP5 3UQ: before 2020IP5 3UR: before 2020IP5 3UT: before 2020IP5 3UU: before 2020IP5 3UW: before 2020IP5 3UX: before 2020IP5 3UY: before 2020IP5 3UZ: before 2020IP5 3AB: new since 2020 Martlesham Heath Map of every postcode in the IP5 3 sector, by new since 2020 Of the 97 postcodes in the IP5 3 sector that ONS places, 1 are new since 2020 and 96 were in use before 2020. 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
  • New since 2020: 1
  • In use before 2020: 96

Of the 97 postcodes in the IP5 3 sector that ONS places, 1 are new since 2020 and 96 were in use before 2020.

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. New since 2020 means it came into use in January 2020 or later. 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; when each came into use: the same directory; 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 newest postcode

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.

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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