IP18 6 postcode sector in the IP18 district

IP18 6 is a sector of the IP18 district: every postcode that starts IP18 6. It has 295 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 IP18 6 sector, by flood risk

Map of every postcode in the IP18 6 sector, by flood risk Of the 295 postcodes in the IP18 6 sector that ONS places, 18 have a home or business at high risk, 4 are at medium risk at worst, 17 are at low risk at worst, 23 are at very low risk only and 233 are not on the Environment Agency's at-risk list. Places named: Southwold, Reydon. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. IP18 6AA: not on the flood risk listIP18 6AD: not on the flood risk listIP18 6AF: not on the flood risk listIP18 6AG: not on the flood risk listIP18 6AH: not on the flood risk listIP18 6AJ: not on the flood risk listIP18 6AL: not on the flood risk listIP18 6AN: not on the flood risk listIP18 6AP: not on the flood risk listIP18 6AQ: not on the flood risk listIP18 6AR: not on the flood risk listIP18 6AS: not on the flood risk listIP18 6AT: not on the flood risk listIP18 6AU: not on the flood risk listIP18 6AW: not on the flood risk listIP18 6AX: not on the flood risk listIP18 6AY: not on the flood risk listIP18 6BA: not on the flood risk listIP18 6BD: not on the flood risk listIP18 6BP: not on the flood risk listIP18 6BS: not on the flood risk listIP18 6BT: not on the flood risk listIP18 6BU: not on the flood risk listIP18 6BW: not on the flood risk listIP18 6BX: not on the flood risk listIP18 6BZ: not on the flood risk listIP18 6DA: not on the flood risk listIP18 6DB: not on the flood risk listIP18 6DD: not on the flood risk listIP18 6DE: not on the flood risk listIP18 6DJ: not on the flood risk listIP18 6DL: not on the flood risk listIP18 6DN: not on the flood risk listIP18 6DP: not on the flood risk listIP18 6DQ: not on the flood risk listIP18 6DS: not on the flood risk listIP18 6EA: not on the flood risk listIP18 6ED: not on the flood risk listIP18 6EE: not on the flood risk listIP18 6EF: not on the flood risk listIP18 6EH: not on the flood risk listIP18 6EJ: not on the flood risk listIP18 6EN: not on the flood risk listIP18 6EP: not on the flood risk listIP18 6EQ: not on the flood risk listIP18 6ER: not on the flood risk listIP18 6ES: not on the flood risk listIP18 6ET: not on the flood risk listIP18 6EU: not on the flood risk listIP18 6EZ: not on the flood risk listIP18 6FA: not on the flood risk listIP18 6FB: not on the flood risk listIP18 6FD: not on the flood risk listIP18 6FE: not on the flood risk listIP18 6FF: not on the flood risk listIP18 6FJ: not on the flood risk listIP18 6GB: not on the flood risk listIP18 6GH: not on the flood risk listIP18 6GL: not on the flood risk listIP18 6GX: not on the flood risk listIP18 6GY: not on the flood risk listIP18 6HA: not on the flood risk listIP18 6HB: not on the flood risk listIP18 6HD: not on the flood risk listIP18 6HF: not on the flood risk listIP18 6HL: not on the flood risk listIP18 6HN: not on the flood risk listIP18 6HP: not on the flood risk listIP18 6HS: not on the flood risk listIP18 6HT: not on the flood risk listIP18 6HW: not on the flood risk listIP18 6HX: not on the flood risk listIP18 6HY: not on the flood risk listIP18 6HZ: not on the flood risk listIP18 6JA: not on the flood risk listIP18 6JB: not on the flood risk listIP18 6JD: not on the flood risk listIP18 6JE: not on the flood risk listIP18 6JG: not on the flood risk listIP18 6JH: not on the flood risk listIP18 6JJ: not on the flood risk listIP18 6JL: not on the flood risk listIP18 6JN: not on the flood risk listIP18 6JP: not on the flood risk listIP18 6JQ: not on the flood risk listIP18 6JS: not on the flood risk listIP18 6JT: not on the flood risk listIP18 6JU: not on the flood risk listIP18 6JW: not on the flood risk listIP18 6JZ: not on the flood risk listIP18 6LA: not on the flood risk listIP18 6LB: not on the flood risk listIP18 6LD: not on the flood risk listIP18 6LE: not on the flood risk listIP18 6LF: not on the flood risk listIP18 6LG: not on the flood risk listIP18 6LH: not on the flood risk listIP18 6LJ: not on the flood risk listIP18 6LL: not on the flood risk listIP18 6LN: not on the flood risk listIP18 6LQ: not on the flood risk listIP18 6LR: not on the flood risk listIP18 6LS: not on the flood risk listIP18 6LW: not on the flood risk listIP18 6LX: not on the flood risk listIP18 6LY: not on the flood risk listIP18 6NG: not on the flood risk listIP18 6NH: not on the flood risk listIP18 6NJ: not on the flood risk listIP18 6NL: not on the flood risk listIP18 6NN: not on the flood risk listIP18 6NP: not on the flood risk listIP18 6NR: not on the flood risk listIP18 6NS: not on the flood risk listIP18 6NT: not on the flood risk listIP18 6NU: not on the flood risk listIP18 6NX: not on the flood risk listIP18 6NY: not on the flood risk listIP18 6NZ: not on the flood risk listIP18 6PA: not on the flood risk listIP18 6PB: not on the flood risk listIP18 6PD: not on the flood risk listIP18 6PE: not on the flood risk listIP18 6PF: not on the flood risk listIP18 6PG: not on the flood risk listIP18 6PH: not on the flood risk listIP18 6PJ: not on the flood risk listIP18 6PL: not on the flood risk listIP18 6PN: not on the flood risk listIP18 6PP: not on the flood risk listIP18 6PQ: not on the flood risk listIP18 6PR: not on the flood risk listIP18 6PU: not on the flood risk listIP18 6PW: not on the flood risk listIP18 6PX: not on the flood risk listIP18 6PY: not on the flood risk listIP18 6PZ: not on the flood risk listIP18 6QA: not on the flood risk listIP18 6QB: not on the flood risk listIP18 6QD: not on the flood risk listIP18 6QE: not on the flood risk listIP18 6QF: not on the flood risk listIP18 6QG: not on the flood risk listIP18 6QH: not on the flood risk listIP18 6QJ: not on the flood risk listIP18 6QL: not on the flood risk listIP18 6QN: not on the flood risk listIP18 6QP: not on the flood risk listIP18 6QQ: not on the flood risk listIP18 6QR: not on the flood risk listIP18 6QS: not on the flood risk listIP18 6QT: not on the flood risk listIP18 6QU: not on the flood risk listIP18 6QW: not on the flood risk listIP18 6QX: not on the flood risk listIP18 6QY: not on the flood risk listIP18 6QZ: not on the flood risk listIP18 6RA: not on the flood risk listIP18 6RB: not on the flood risk listIP18 6RJ: not on the flood risk listIP18 6RP: not on the flood risk listIP18 6RQ: not on the flood risk listIP18 6RT: not on the flood risk listIP18 6RU: not on the flood risk listIP18 6RW: not on the flood risk listIP18 6RY: not on the flood risk listIP18 6RZ: not on the flood risk listIP18 6SD: not on the flood risk listIP18 6SE: not on the flood risk listIP18 6SJ: not on the flood risk listIP18 6SL: not on the flood risk listIP18 6SP: not on the flood risk listIP18 6SR: not on the flood risk listIP18 6SS: not on the flood risk listIP18 6SU: not on the flood risk listIP18 6SW: not on the flood risk listIP18 6SX: not on the flood risk listIP18 6SY: not on the flood risk listIP18 6SZ: not on the flood risk listIP18 6TB: not on the flood risk listIP18 6TE: not on the flood risk listIP18 6TF: not on the flood risk listIP18 6TG: not on the flood risk listIP18 6TP: not on the flood risk listIP18 6TQ: not on the flood risk listIP18 6TW: not on the flood risk listIP18 6UB: not on the flood risk listIP18 6UE: not on the flood risk listIP18 6UF: not on the flood risk listIP18 6UG: not on the flood risk listIP18 6UH: not on the flood risk listIP18 6UJ: not on the flood risk listIP18 6UL: not on the flood risk listIP18 6UN: not on the flood risk listIP18 6UP: not on the flood risk listIP18 6UR: not on the flood risk listIP18 6UT: not on the flood risk listIP18 6UU: not on the flood risk listIP18 6UW: not on the flood risk listIP18 6UX: not on the flood risk listIP18 6UY: not on the flood risk listIP18 6UZ: not on the flood risk listIP18 6WA: not on the flood risk listIP18 6WF: not on the flood risk listIP18 6WG: not on the flood risk listIP18 6XA: not on the flood risk listIP18 6XB: not on the flood risk listIP18 6XD: not on the flood risk listIP18 6XE: not on the flood risk listIP18 6XF: not on the flood risk listIP18 6XH: not on the flood risk listIP18 6XJ: not on the flood risk listIP18 6XL: not on the flood risk listIP18 6XN: not on the flood risk listIP18 6XW: not on the flood risk listIP18 6YA: not on the flood risk listIP18 6YD: not on the flood risk listIP18 6YE: not on the flood risk listIP18 6YF: not on the flood risk listIP18 6YS: not on the flood risk listIP18 6BG: very low flood risk onlyIP18 6BJ: very low flood risk onlyIP18 6BL: very low flood risk onlyIP18 6BQ: very low flood risk onlyIP18 6DH: very low flood risk onlyIP18 6DR: very low flood risk onlyIP18 6DU: very low flood risk onlyIP18 6GZ: very low flood risk onlyIP18 6HR: very low flood risk onlyIP18 6NF: very low flood risk onlyIP18 6NQ: very low flood risk onlyIP18 6NW: very low flood risk onlyIP18 6PS: very low flood risk onlyIP18 6PT: very low flood risk onlyIP18 6RD: very low flood risk onlyIP18 6RE: very low flood risk onlyIP18 6RF: very low flood risk onlyIP18 6RG: very low flood risk onlyIP18 6RL: very low flood risk onlyIP18 6RN: very low flood risk onlyIP18 6RS: very low flood risk onlyIP18 6TZ: very low flood risk onlyIP18 6YB: very low flood risk onlyIP18 6BB: low flood risk at worstIP18 6BE: low flood risk at worstIP18 6EL: low flood risk at worstIP18 6HE: low flood risk at worstIP18 6HG: low flood risk at worstIP18 6HJ: low flood risk at worstIP18 6LP: low flood risk at worstIP18 6LU: low flood risk at worstIP18 6SQ: low flood risk at worstIP18 6TL: low flood risk at worstIP18 6TN: low flood risk at worstIP18 6TS: low flood risk at worstIP18 6TT: low flood risk at worstIP18 6TU: low flood risk at worstIP18 6TX: low flood risk at worstIP18 6TY: low flood risk at worstIP18 6UA: low flood risk at worstIP18 6AZ: medium flood risk at worstIP18 6BH: medium flood risk at worstIP18 6RH: medium flood risk at worstIP18 6RR: medium flood risk at worstIP18 6BN: high flood riskIP18 6EY: high flood riskIP18 6HQ: high flood riskIP18 6LT: high flood riskIP18 6NB: high flood riskIP18 6ND: high flood riskIP18 6SB: high flood riskIP18 6SF: high flood riskIP18 6SG: high flood riskIP18 6SH: high flood riskIP18 6SN: high flood riskIP18 6TA: high flood riskIP18 6TD: high flood riskIP18 6TH: high flood riskIP18 6TJ: high flood riskIP18 6TR: high flood riskIP18 6UD: high flood riskIP18 6UQ: high flood risk SouthwoldReydon Map of every postcode in the IP18 6 sector, by flood risk Of the 295 postcodes in the IP18 6 sector that ONS places, 18 have a home or business at high risk, 4 are at medium risk at worst, 17 are at low risk at worst, 23 are at very low risk only and 233 are not on the Environment Agency's at-risk list. Places named: Southwold, Reydon. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. SouthwoldReydon
  • A home or business at high risk: 18
  • At medium risk at worst: 4
  • At low risk at worst: 17
  • At very low risk only: 23
  • Not on the at-risk list: 233

Of the 295 postcodes in the IP18 6 sector that ONS places, 18 have a home or business at high risk, 4 are at medium risk at worst, 17 are at low risk at worst, 23 are at very low risk only and 233 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.

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

The postcodes at high risk

18 postcodes here have a home or business at high risk. These are the 12 with the most homes and businesses at that risk.

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

IP18 6TA107 at high riskIP18 6HQ21 at high riskIP18 6TJ13 at high riskIP18 6TH6 at high riskIP18 6TR5 at high riskIP18 6NB4 at high riskIP18 6SB2 at high riskIP18 6SH2 at high riskIP18 6ND1 at high riskIP18 6TD1 at high riskIP18 6BN1 at high riskIP18 6EY1 at high risk

What do homes sell for in IP18 6?

Homes in IP18 6 sold for a typical £430,000 in the 12 months to August 2026, across 70 sales, down 3.6% on the 12 months before, HM Land Registry's figures show.

£430,000 typical price, the 12 months to August 2026
£446,000 12 months to August 2025
▼ down 3.6% on the 12 months before
  • Detached £584,975 30 sales
  • Semi-detached £370,000 11 sales
  • Terraced £270,000 21 sales
  • Flat or maisonette £268,000 8 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 IP18 6. 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 IP18 6

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.

IP18 6AAIP18 6ABIP18 6ADIP18 6AEIP18 6AFIP18 6AGIP18 6AHIP18 6AJIP18 6ALIP18 6ANIP18 6APIP18 6AQIP18 6ARIP18 6ASIP18 6ATIP18 6AUIP18 6AWIP18 6AXIP18 6AYIP18 6AZIP18 6BAIP18 6BBIP18 6BDIP18 6BEIP18 6BFIP18 6BGIP18 6BHIP18 6BJIP18 6BLIP18 6BNIP18 6BPIP18 6BQIP18 6BSIP18 6BTIP18 6BUIP18 6BWIP18 6BXIP18 6BYIP18 6BZIP18 6DAIP18 6DBIP18 6DDIP18 6DEIP18 6DHIP18 6DJIP18 6DLIP18 6DNIP18 6DPIP18 6DQIP18 6DRIP18 6DSIP18 6DUIP18 6DXIP18 6DZIP18 6EAIP18 6EDIP18 6EEIP18 6EFIP18 6EGIP18 6EHIP18 6EJIP18 6ELIP18 6ENIP18 6EPIP18 6EQIP18 6ERIP18 6ESIP18 6ETIP18 6EUIP18 6EWIP18 6EXIP18 6EYIP18 6EZIP18 6FAIP18 6FBIP18 6FDIP18 6FEIP18 6FFIP18 6FHIP18 6FJIP18 6GBIP18 6GHIP18 6GLIP18 6GXIP18 6GYIP18 6GZIP18 6HAIP18 6HBIP18 6HDIP18 6HEIP18 6HFIP18 6HGIP18 6HJIP18 6HLIP18 6HNIP18 6HPIP18 6HQIP18 6HRIP18 6HSIP18 6HTIP18 6HWIP18 6HXIP18 6HYIP18 6HZIP18 6JAIP18 6JBIP18 6JDIP18 6JEIP18 6JFIP18 6JGIP18 6JHIP18 6JJIP18 6JLIP18 6JNIP18 6JPIP18 6JQIP18 6JRIP18 6JSIP18 6JTIP18 6JUIP18 6JWIP18 6JZIP18 6LAIP18 6LBIP18 6LDIP18 6LEIP18 6LFIP18 6LGIP18 6LHIP18 6LJIP18 6LLIP18 6LNIP18 6LPIP18 6LQIP18 6LRIP18 6LSIP18 6LTIP18 6LUIP18 6LWIP18 6LXIP18 6LYIP18 6NBIP18 6NDIP18 6NFIP18 6NGIP18 6NHIP18 6NJIP18 6NLIP18 6NNIP18 6NPIP18 6NQIP18 6NRIP18 6NSIP18 6NTIP18 6NUIP18 6NWIP18 6NXIP18 6NYIP18 6NZIP18 6PAIP18 6PBIP18 6PDIP18 6PEIP18 6PFIP18 6PGIP18 6PHIP18 6PJIP18 6PLIP18 6PNIP18 6PPIP18 6PQIP18 6PRIP18 6PSIP18 6PTIP18 6PUIP18 6PWIP18 6PXIP18 6PYIP18 6PZIP18 6QAIP18 6QBIP18 6QDIP18 6QEIP18 6QFIP18 6QGIP18 6QHIP18 6QJIP18 6QLIP18 6QNIP18 6QPIP18 6QQIP18 6QRIP18 6QSIP18 6QTIP18 6QUIP18 6QWIP18 6QXIP18 6QYIP18 6QZIP18 6RAIP18 6RBIP18 6RDIP18 6REIP18 6RFIP18 6RGIP18 6RHIP18 6RJIP18 6RLIP18 6RNIP18 6RPIP18 6RQIP18 6RRIP18 6RSIP18 6RTIP18 6RUIP18 6RWIP18 6RXIP18 6RYIP18 6RZIP18 6SBIP18 6SDIP18 6SEIP18 6SFIP18 6SGIP18 6SHIP18 6SJIP18 6SLIP18 6SNIP18 6SPIP18 6SQIP18 6SRIP18 6SSIP18 6SUIP18 6SWIP18 6SXIP18 6SYIP18 6SZIP18 6TAIP18 6TBIP18 6TDIP18 6TEIP18 6TFIP18 6TGIP18 6THIP18 6TJIP18 6TLIP18 6TNIP18 6TPIP18 6TQIP18 6TRIP18 6TSIP18 6TTIP18 6TUIP18 6TWIP18 6TXIP18 6TYIP18 6TZIP18 6UAIP18 6UBIP18 6UDIP18 6UEIP18 6UFIP18 6UGIP18 6UHIP18 6UJIP18 6ULIP18 6UNIP18 6UPIP18 6UQIP18 6URIP18 6UTIP18 6UUIP18 6UWIP18 6UXIP18 6UYIP18 6UZIP18 6WAIP18 6WFIP18 6WGIP18 6XAIP18 6XBIP18 6XDIP18 6XEIP18 6XFIP18 6XHIP18 6XJIP18 6XLIP18 6XNIP18 6XWIP18 6YAIP18 6YBIP18 6YDIP18 6YEIP18 6YFIP18 6YS

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.

Check a postcode

Something wrong on this page? Report an error and we will check it against the source.