IP12 4 postcode sector in the IP12 district

IP12 4 is a sector of the IP12 district: every postcode that starts IP12 4. It has 264 postcodes in use, 5 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 IP12 4 sector, and which are new since 2020

Map of every postcode in the IP12 4 sector, by new since 2020 Of the 264 postcodes in the IP12 4 sector that ONS places, 5 are new since 2020 and 259 were in use before 2020. Places named: Woodbridge, Martlesham Heath. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A12 IP12 4AA: before 2020IP12 4AB: before 2020IP12 4AD: before 2020IP12 4AE: before 2020IP12 4AF: before 2020IP12 4AG: before 2020IP12 4AL: before 2020IP12 4AQ: before 2020IP12 4AR: before 2020IP12 4AS: before 2020IP12 4AT: before 2020IP12 4AU: before 2020IP12 4AY: before 2020IP12 4BA: before 2020IP12 4BB: before 2020IP12 4BD: before 2020IP12 4BE: before 2020IP12 4BF: before 2020IP12 4BG: before 2020IP12 4BH: before 2020IP12 4BJ: before 2020IP12 4BL: before 2020IP12 4BN: before 2020IP12 4BP: before 2020IP12 4BQ: before 2020IP12 4BS: before 2020IP12 4BT: before 2020IP12 4BU: before 2020IP12 4BX: before 2020IP12 4BY: before 2020IP12 4DA: before 2020IP12 4DD: before 2020IP12 4DE: before 2020IP12 4DF: before 2020IP12 4DG: before 2020IP12 4DH: before 2020IP12 4DJ: before 2020IP12 4DL: before 2020IP12 4DN: before 2020IP12 4DP: before 2020IP12 4DQ: before 2020IP12 4DR: before 2020IP12 4DS: before 2020IP12 4DT: before 2020IP12 4DU: before 2020IP12 4DW: before 2020IP12 4DX: before 2020IP12 4DY: before 2020IP12 4DZ: before 2020IP12 4EA: before 2020IP12 4EB: before 2020IP12 4ED: before 2020IP12 4EE: before 2020IP12 4EF: before 2020IP12 4EG: before 2020IP12 4EH: before 2020IP12 4EJ: before 2020IP12 4EL: before 2020IP12 4EN: before 2020IP12 4EP: before 2020IP12 4EQ: before 2020IP12 4ER: before 2020IP12 4ES: before 2020IP12 4ET: before 2020IP12 4EU: before 2020IP12 4EW: before 2020IP12 4EX: before 2020IP12 4EY: before 2020IP12 4EZ: before 2020IP12 4FA: before 2020IP12 4FB: before 2020IP12 4FD: before 2020IP12 4GA: before 2020IP12 4GY: before 2020IP12 4HA: before 2020IP12 4HB: before 2020IP12 4HD: before 2020IP12 4HE: before 2020IP12 4HF: before 2020IP12 4HG: before 2020IP12 4HH: before 2020IP12 4HJ: before 2020IP12 4HN: before 2020IP12 4HP: before 2020IP12 4HQ: before 2020IP12 4HR: before 2020IP12 4HS: before 2020IP12 4HT: before 2020IP12 4HU: before 2020IP12 4HW: before 2020IP12 4HX: before 2020IP12 4HY: before 2020IP12 4HZ: before 2020IP12 4JA: before 2020IP12 4JB: before 2020IP12 4JD: before 2020IP12 4JE: before 2020IP12 4JF: before 2020IP12 4JH: before 2020IP12 4JJ: before 2020IP12 4JL: before 2020IP12 4JN: before 2020IP12 4JP: before 2020IP12 4JQ: before 2020IP12 4JR: before 2020IP12 4JS: before 2020IP12 4JT: before 2020IP12 4JU: before 2020IP12 4JW: before 2020IP12 4JX: before 2020IP12 4JY: before 2020IP12 4JZ: before 2020IP12 4LA: before 2020IP12 4LB: before 2020IP12 4LD: before 2020IP12 4LE: before 2020IP12 4LF: before 2020IP12 4LG: before 2020IP12 4LH: before 2020IP12 4LL: before 2020IP12 4LP: before 2020IP12 4LQ: before 2020IP12 4LR: before 2020IP12 4LS: before 2020IP12 4LU: before 2020IP12 4LX: before 2020IP12 4LY: before 2020IP12 4LZ: before 2020IP12 4NA: before 2020IP12 4NB: before 2020IP12 4ND: before 2020IP12 4NE: before 2020IP12 4NF: before 2020IP12 4NG: before 2020IP12 4NH: before 2020IP12 4NJ: before 2020IP12 4NN: before 2020IP12 4NP: before 2020IP12 4NQ: before 2020IP12 4NR: before 2020IP12 4NS: before 2020IP12 4NT: before 2020IP12 4NU: before 2020IP12 4NW: before 2020IP12 4NY: before 2020IP12 4NZ: before 2020IP12 4PA: before 2020IP12 4PB: before 2020IP12 4PD: before 2020IP12 4PE: before 2020IP12 4PF: before 2020IP12 4PG: before 2020IP12 4PH: before 2020IP12 4PJ: before 2020IP12 4PL: before 2020IP12 4PP: before 2020IP12 4PQ: before 2020IP12 4PR: before 2020IP12 4PS: before 2020IP12 4PT: before 2020IP12 4PW: before 2020IP12 4PX: before 2020IP12 4PY: before 2020IP12 4PZ: before 2020IP12 4QA: before 2020IP12 4QB: before 2020IP12 4QD: before 2020IP12 4QE: before 2020IP12 4QF: before 2020IP12 4QG: before 2020IP12 4QH: before 2020IP12 4QL: before 2020IP12 4QN: before 2020IP12 4QP: before 2020IP12 4QR: before 2020IP12 4QS: before 2020IP12 4QT: before 2020IP12 4QU: before 2020IP12 4QW: before 2020IP12 4QX: before 2020IP12 4QY: before 2020IP12 4QZ: before 2020IP12 4RA: before 2020IP12 4RB: before 2020IP12 4RF: before 2020IP12 4RG: before 2020IP12 4RH: before 2020IP12 4RJ: before 2020IP12 4RL: before 2020IP12 4RN: before 2020IP12 4RP: before 2020IP12 4RQ: before 2020IP12 4RR: before 2020IP12 4RS: before 2020IP12 4RT: before 2020IP12 4RU: before 2020IP12 4RW: before 2020IP12 4RX: before 2020IP12 4RY: before 2020IP12 4SA: before 2020IP12 4SB: before 2020IP12 4SD: before 2020IP12 4SE: before 2020IP12 4SF: before 2020IP12 4SG: before 2020IP12 4SH: before 2020IP12 4SJ: before 2020IP12 4SN: before 2020IP12 4SP: before 2020IP12 4SQ: before 2020IP12 4SR: before 2020IP12 4SS: before 2020IP12 4ST: before 2020IP12 4SU: before 2020IP12 4SW: before 2020IP12 4SX: before 2020IP12 4SY: before 2020IP12 4SZ: before 2020IP12 4TA: before 2020IP12 4TB: before 2020IP12 4TD: before 2020IP12 4TE: before 2020IP12 4TF: before 2020IP12 4TG: before 2020IP12 4TJ: before 2020IP12 4TL: before 2020IP12 4TN: before 2020IP12 4TP: before 2020IP12 4TQ: before 2020IP12 4TS: before 2020IP12 4TT: before 2020IP12 4TU: before 2020IP12 4TX: before 2020IP12 4TZ: before 2020IP12 4UD: before 2020IP12 4UE: before 2020IP12 4UF: before 2020IP12 4UG: before 2020IP12 4UH: before 2020IP12 4UJ: before 2020IP12 4UL: before 2020IP12 4UN: before 2020IP12 4UP: before 2020IP12 4UQ: before 2020IP12 4UR: before 2020IP12 4UU: before 2020IP12 4UX: before 2020IP12 4UY: before 2020IP12 4UZ: before 2020IP12 4FE: new since 2020IP12 4FG: new since 2020IP12 4FH: new since 2020IP12 4FJ: new since 2020IP12 4HL: new since 2020 WoodbridgeMartlesham Heath Map of every postcode in the IP12 4 sector, by new since 2020 Of the 264 postcodes in the IP12 4 sector that ONS places, 5 are new since 2020 and 259 were in use before 2020. Places named: Woodbridge, Martlesham Heath. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A12 WoodbridgeMartlesham Heath
  • New since 2020: 5
  • In use before 2020: 259

Of the 264 postcodes in the IP12 4 sector that ONS places, 5 are new since 2020 and 259 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

What do homes sell for in IP12 4?

Homes in IP12 4 sold for a typical £422,500 in the 12 months to August 2026, across 112 sales, up 2.4% on the 12 months before, HM Land Registry's figures show.

£422,500 typical price, the 12 months to August 2026
£412,500 12 months to August 2025
▲ up 2.4% on the 12 months before
  • Detached £516,250 54 sales
  • Semi-detached £355,000 21 sales
  • Terraced £315,000 23 sales
  • Flat or maisonette £175,000 14 sales

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 IP12 4. 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 IP12 4

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.

IP12 4AAIP12 4ABIP12 4ADIP12 4AEIP12 4AFIP12 4AGIP12 4AHIP12 4ALIP12 4APIP12 4AQIP12 4ARIP12 4ASIP12 4ATIP12 4AUIP12 4AWIP12 4AXIP12 4AYIP12 4AZIP12 4BAIP12 4BBIP12 4BDIP12 4BEIP12 4BFIP12 4BGIP12 4BHIP12 4BJIP12 4BLIP12 4BNIP12 4BPIP12 4BQIP12 4BSIP12 4BTIP12 4BUIP12 4BWIP12 4BXIP12 4BYIP12 4DAIP12 4DDIP12 4DEIP12 4DFIP12 4DGIP12 4DHIP12 4DJIP12 4DLIP12 4DNIP12 4DPIP12 4DQIP12 4DRIP12 4DSIP12 4DTIP12 4DUIP12 4DWIP12 4DXIP12 4DYIP12 4DZIP12 4EAIP12 4EBIP12 4EDIP12 4EEIP12 4EFIP12 4EGIP12 4EHIP12 4EJIP12 4ELIP12 4ENIP12 4EPIP12 4EQIP12 4ERIP12 4ESIP12 4ETIP12 4EUIP12 4EWIP12 4EXIP12 4EYIP12 4EZIP12 4FAIP12 4FBIP12 4FDIP12 4FEIP12 4FGIP12 4FHIP12 4FJIP12 4GAIP12 4GYIP12 4HAIP12 4HBIP12 4HDIP12 4HEIP12 4HFIP12 4HGIP12 4HHIP12 4HJIP12 4HLIP12 4HNIP12 4HPIP12 4HQIP12 4HRIP12 4HSIP12 4HTIP12 4HUIP12 4HWIP12 4HXIP12 4HYIP12 4HZIP12 4JAIP12 4JBIP12 4JDIP12 4JEIP12 4JFIP12 4JHIP12 4JJIP12 4JLIP12 4JNIP12 4JPIP12 4JQIP12 4JRIP12 4JSIP12 4JTIP12 4JUIP12 4JWIP12 4JXIP12 4JYIP12 4JZIP12 4LAIP12 4LBIP12 4LDIP12 4LEIP12 4LFIP12 4LGIP12 4LHIP12 4LJIP12 4LLIP12 4LPIP12 4LQIP12 4LRIP12 4LSIP12 4LUIP12 4LXIP12 4LYIP12 4LZIP12 4NAIP12 4NBIP12 4NDIP12 4NEIP12 4NFIP12 4NGIP12 4NHIP12 4NJIP12 4NNIP12 4NPIP12 4NQIP12 4NRIP12 4NSIP12 4NTIP12 4NUIP12 4NWIP12 4NYIP12 4NZIP12 4PAIP12 4PBIP12 4PDIP12 4PEIP12 4PFIP12 4PGIP12 4PHIP12 4PJIP12 4PLIP12 4PPIP12 4PQIP12 4PRIP12 4PSIP12 4PTIP12 4PWIP12 4PXIP12 4PYIP12 4PZIP12 4QAIP12 4QBIP12 4QDIP12 4QEIP12 4QFIP12 4QGIP12 4QHIP12 4QLIP12 4QNIP12 4QPIP12 4QRIP12 4QSIP12 4QTIP12 4QUIP12 4QWIP12 4QXIP12 4QYIP12 4QZIP12 4RAIP12 4RBIP12 4RDIP12 4RFIP12 4RGIP12 4RHIP12 4RJIP12 4RLIP12 4RNIP12 4RPIP12 4RQIP12 4RRIP12 4RSIP12 4RTIP12 4RUIP12 4RWIP12 4RXIP12 4RYIP12 4SAIP12 4SBIP12 4SDIP12 4SEIP12 4SFIP12 4SGIP12 4SHIP12 4SJIP12 4SLIP12 4SNIP12 4SPIP12 4SQIP12 4SRIP12 4SSIP12 4STIP12 4SUIP12 4SWIP12 4SXIP12 4SYIP12 4SZIP12 4TAIP12 4TBIP12 4TDIP12 4TEIP12 4TFIP12 4TGIP12 4TJIP12 4TLIP12 4TNIP12 4TPIP12 4TQIP12 4TSIP12 4TTIP12 4TUIP12 4TXIP12 4TZIP12 4UAIP12 4UDIP12 4UEIP12 4UFIP12 4UGIP12 4UHIP12 4UJIP12 4ULIP12 4UNIP12 4UPIP12 4UQIP12 4URIP12 4UUIP12 4UXIP12 4UYIP12 4UZ

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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