SG4 9 postcode sector in the SG4 district

SG4 9 is a sector of the SG4 district: every postcode that starts SG4 9. It has 232 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 SG4 9 sector, and which are new since 2020

Map of every postcode in the SG4 9 sector, by new since 2020 Of the 232 postcodes in the SG4 9 sector that ONS places, 3 are new since 2020 and 229 were in use before 2020. One postcode lies beyond the edge and is listed under the map. Places named: Hitchin. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A602 SG4 9AA: before 2020SG4 9AB: before 2020SG4 9AD: before 2020SG4 9AE: before 2020SG4 9AF: before 2020SG4 9AG: before 2020SG4 9AH: before 2020SG4 9AJ: before 2020SG4 9AL: before 2020SG4 9AN: before 2020SG4 9AP: before 2020SG4 9AQ: before 2020SG4 9AR: before 2020SG4 9AS: before 2020SG4 9AT: before 2020SG4 9AU: before 2020SG4 9AW: before 2020SG4 9AX: before 2020SG4 9AY: before 2020SG4 9AZ: before 2020SG4 9BA: before 2020SG4 9BB: before 2020SG4 9BD: before 2020SG4 9BG: before 2020SG4 9BH: before 2020SG4 9BJ: before 2020SG4 9BL: before 2020SG4 9BN: before 2020SG4 9BP: before 2020SG4 9BQ: before 2020SG4 9BS: before 2020SG4 9BW: before 2020SG4 9BZ: before 2020SG4 9DA: before 2020SG4 9DD: before 2020SG4 9DE: before 2020SG4 9DG: before 2020SG4 9DH: before 2020SG4 9DJ: before 2020SG4 9DL: before 2020SG4 9DN: before 2020SG4 9DP: before 2020SG4 9DQ: before 2020SG4 9DR: before 2020SG4 9DS: before 2020SG4 9DT: before 2020SG4 9DU: before 2020SG4 9DW: before 2020SG4 9DX: before 2020SG4 9DZ: before 2020SG4 9EA: before 2020SG4 9EB: before 2020SG4 9EE: before 2020SG4 9EF: before 2020SG4 9EG: before 2020SG4 9EH: before 2020SG4 9EJ: before 2020SG4 9EL: before 2020SG4 9EN: before 2020SG4 9EP: before 2020SG4 9EQ: before 2020SG4 9ER: before 2020SG4 9ES: before 2020SG4 9ET: before 2020SG4 9EU: before 2020SG4 9EW: before 2020SG4 9EX: before 2020SG4 9EY: before 2020SG4 9EZ: before 2020SG4 9FB: before 2020SG4 9FE: before 2020SG4 9FF: before 2020SG4 9FG: before 2020SG4 9FH: before 2020SG4 9FJ: before 2020SG4 9GD: before 2020SG4 9HA: before 2020SG4 9HD: before 2020SG4 9HF: before 2020SG4 9HH: before 2020SG4 9HJ: before 2020SG4 9HN: before 2020SG4 9HP: before 2020SG4 9HR: before 2020SG4 9HS: before 2020SG4 9HT: before 2020SG4 9HU: before 2020SG4 9HW: before 2020SG4 9HX: before 2020SG4 9HY: before 2020SG4 9HZ: before 2020SG4 9JA: before 2020SG4 9JB: before 2020SG4 9JD: before 2020SG4 9JE: before 2020SG4 9JF: before 2020SG4 9JG: before 2020SG4 9JH: before 2020SG4 9JJ: before 2020SG4 9JL: before 2020SG4 9JN: before 2020SG4 9JP: before 2020SG4 9JQ: before 2020SG4 9JR: before 2020SG4 9JS: before 2020SG4 9JW: before 2020SG4 9LA: before 2020SG4 9LB: before 2020SG4 9LD: before 2020SG4 9LE: before 2020SG4 9LF: before 2020SG4 9LG: before 2020SG4 9LH: before 2020SG4 9LJ: before 2020SG4 9LL: before 2020SG4 9LN: before 2020SG4 9LP: before 2020SG4 9LQ: before 2020SG4 9LR: before 2020SG4 9LS: before 2020SG4 9LT: before 2020SG4 9LU: before 2020SG4 9LW: before 2020SG4 9LX: before 2020SG4 9LY: before 2020SG4 9LZ: before 2020SG4 9NA: before 2020SG4 9NB: before 2020SG4 9NG: before 2020SG4 9NH: before 2020SG4 9NJ: before 2020SG4 9NL: before 2020SG4 9NN: before 2020SG4 9NP: before 2020SG4 9NQ: before 2020SG4 9NR: before 2020SG4 9NS: before 2020SG4 9NT: before 2020SG4 9NU: before 2020SG4 9NW: before 2020SG4 9NX: before 2020SG4 9NY: before 2020SG4 9NZ: before 2020SG4 9PA: before 2020SG4 9PB: before 2020SG4 9PD: before 2020SG4 9PG: before 2020SG4 9PH: before 2020SG4 9PJ: before 2020SG4 9PL: before 2020SG4 9PN: before 2020SG4 9PP: before 2020SG4 9PR: before 2020SG4 9PS: before 2020SG4 9PT: before 2020SG4 9PW: before 2020SG4 9PX: before 2020SG4 9PY: before 2020SG4 9PZ: before 2020SG4 9QA: before 2020SG4 9QB: before 2020SG4 9QD: before 2020SG4 9QE: before 2020SG4 9QF: before 2020SG4 9QG: before 2020SG4 9QH: before 2020SG4 9QJ: before 2020SG4 9QL: before 2020SG4 9QN: before 2020SG4 9QP: before 2020SG4 9QQ: before 2020SG4 9QR: before 2020SG4 9QS: before 2020SG4 9QW: before 2020SG4 9QX: before 2020SG4 9QY: before 2020SG4 9QZ: before 2020SG4 9RA: before 2020SG4 9RB: before 2020SG4 9RD: before 2020SG4 9RE: before 2020SG4 9RG: before 2020SG4 9RH: before 2020SG4 9RJ: before 2020SG4 9RL: before 2020SG4 9RQ: before 2020SG4 9RS: before 2020SG4 9RT: before 2020SG4 9RU: before 2020SG4 9RW: before 2020SG4 9RY: before 2020SG4 9RZ: before 2020SG4 9SA: before 2020SG4 9SB: before 2020SG4 9SD: before 2020SG4 9SE: before 2020SG4 9SG: before 2020SG4 9SJ: before 2020SG4 9SL: before 2020SG4 9SP: before 2020SG4 9SQ: before 2020SG4 9SS: before 2020SG4 9ST: before 2020SG4 9SU: before 2020SG4 9SX: before 2020SG4 9SY: before 2020SG4 9TA: before 2020SG4 9TB: before 2020SG4 9TE: before 2020SG4 9TH: before 2020SG4 9TL: before 2020SG4 9TP: before 2020SG4 9TS: before 2020SG4 9TT: before 2020SG4 9TU: before 2020SG4 9TW: before 2020SG4 9TX: before 2020SG4 9TZ: before 2020SG4 9UA: before 2020SG4 9UJ: before 2020SG4 9UL: before 2020SG4 9UN: before 2020SG4 9UW: before 2020SG4 9YD: before 2020SG4 9YH: before 2020SG4 9YJ: before 2020SG4 9FL: new since 2020SG4 9FN: new since 2020SG4 9FP: new since 2020 Hitchin Map of every postcode in the SG4 9 sector, by new since 2020 Of the 232 postcodes in the SG4 9 sector that ONS places, 3 are new since 2020 and 229 were in use before 2020. One postcode lies beyond the edge and is listed under the map. Places named: Hitchin. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Hitchin
  • New since 2020: 3
  • In use before 2020: 229

Of the 232 postcodes in the SG4 9 sector that ONS places, 3 are new since 2020 and 229 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 3 newest postcodes

SG4 9FNFebruary 2022SG4 9FPFebruary 2022SG4 9FLNovember 2021

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.

SG4 9WQ

What do homes sell for in SG4 9?

Homes in SG4 9 sold for a typical £490,000 in the 12 months to August 2026, across 142 sales, up 0.5% on the 12 months before, HM Land Registry's figures show.

£490,000 typical price, the 12 months to August 2026
£487,500 12 months to August 2025
▲ up 0.5% on the 12 months before
  • Detached £810,234 25 sales
  • Semi-detached £559,750 46 sales
  • Terraced £450,000 25 sales
  • Flat or maisonette £271,750 46 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 SG4 9. 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 SG4 9

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.

SG4 9AASG4 9ABSG4 9ADSG4 9AESG4 9AFSG4 9AGSG4 9AHSG4 9AJSG4 9ALSG4 9ANSG4 9APSG4 9AQSG4 9ARSG4 9ASSG4 9ATSG4 9AUSG4 9AWSG4 9AXSG4 9AYSG4 9AZSG4 9BASG4 9BBSG4 9BDSG4 9BGSG4 9BHSG4 9BJSG4 9BLSG4 9BNSG4 9BPSG4 9BQSG4 9BSSG4 9BWSG4 9BZSG4 9DASG4 9DDSG4 9DESG4 9DGSG4 9DHSG4 9DJSG4 9DLSG4 9DNSG4 9DPSG4 9DQSG4 9DRSG4 9DSSG4 9DTSG4 9DUSG4 9DWSG4 9DXSG4 9DZSG4 9EASG4 9EBSG4 9EESG4 9EFSG4 9EGSG4 9EHSG4 9EJSG4 9ELSG4 9ENSG4 9EPSG4 9EQSG4 9ERSG4 9ESSG4 9ETSG4 9EUSG4 9EWSG4 9EXSG4 9EYSG4 9EZSG4 9FBSG4 9FESG4 9FFSG4 9FGSG4 9FHSG4 9FJSG4 9FLSG4 9FNSG4 9FPSG4 9GDSG4 9HASG4 9HDSG4 9HFSG4 9HHSG4 9HJSG4 9HNSG4 9HPSG4 9HRSG4 9HSSG4 9HTSG4 9HUSG4 9HWSG4 9HXSG4 9HYSG4 9HZSG4 9JASG4 9JBSG4 9JDSG4 9JESG4 9JFSG4 9JGSG4 9JHSG4 9JJSG4 9JLSG4 9JNSG4 9JPSG4 9JQSG4 9JRSG4 9JSSG4 9JWSG4 9LASG4 9LBSG4 9LDSG4 9LESG4 9LFSG4 9LGSG4 9LHSG4 9LJSG4 9LLSG4 9LNSG4 9LPSG4 9LQSG4 9LRSG4 9LSSG4 9LTSG4 9LUSG4 9LWSG4 9LXSG4 9LYSG4 9LZSG4 9NASG4 9NBSG4 9NGSG4 9NHSG4 9NJSG4 9NLSG4 9NNSG4 9NPSG4 9NQSG4 9NRSG4 9NSSG4 9NTSG4 9NUSG4 9NWSG4 9NXSG4 9NYSG4 9NZSG4 9PASG4 9PBSG4 9PDSG4 9PGSG4 9PHSG4 9PJSG4 9PLSG4 9PNSG4 9PPSG4 9PRSG4 9PSSG4 9PTSG4 9PWSG4 9PXSG4 9PYSG4 9PZSG4 9QASG4 9QBSG4 9QDSG4 9QESG4 9QFSG4 9QGSG4 9QHSG4 9QJSG4 9QLSG4 9QNSG4 9QPSG4 9QQSG4 9QRSG4 9QSSG4 9QWSG4 9QXSG4 9QYSG4 9QZSG4 9RASG4 9RBSG4 9RDSG4 9RESG4 9RGSG4 9RHSG4 9RJSG4 9RLSG4 9RQSG4 9RSSG4 9RTSG4 9RUSG4 9RWSG4 9RYSG4 9RZSG4 9SASG4 9SBSG4 9SDSG4 9SESG4 9SGSG4 9SJSG4 9SLSG4 9SPSG4 9SQSG4 9SSSG4 9STSG4 9SUSG4 9SXSG4 9SYSG4 9TASG4 9TBSG4 9TESG4 9THSG4 9TLSG4 9TNSG4 9TPSG4 9TSSG4 9TTSG4 9TUSG4 9TWSG4 9TXSG4 9TYSG4 9TZSG4 9UASG4 9UJSG4 9ULSG4 9UNSG4 9UWSG4 9WQSG4 9YDSG4 9YHSG4 9YJ

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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