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, by gigabit broadband

Map of every postcode in the SG4 9 sector, by gigabit broadband Of the 232 postcodes in the SG4 9 sector that ONS places, 12 have no home or business that can get gigabit, 21 have some that can, 198 can all get it and 1 have no Ofcom figure. 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: gigabit for allSG4 9AB: gigabit for allSG4 9AD: gigabit for allSG4 9AG: gigabit for allSG4 9AN: gigabit for allSG4 9AP: gigabit for allSG4 9AQ: gigabit for allSG4 9AR: gigabit for allSG4 9AS: gigabit for allSG4 9AT: gigabit for allSG4 9AU: gigabit for allSG4 9AW: gigabit for allSG4 9AX: gigabit for allSG4 9AY: gigabit for allSG4 9AZ: gigabit for allSG4 9BA: gigabit for allSG4 9BB: gigabit for allSG4 9BD: gigabit for allSG4 9BG: gigabit for allSG4 9BH: gigabit for allSG4 9BJ: gigabit for allSG4 9BL: gigabit for allSG4 9BN: gigabit for allSG4 9BP: gigabit for allSG4 9BQ: gigabit for allSG4 9BS: gigabit for allSG4 9BZ: gigabit for allSG4 9DA: gigabit for allSG4 9DD: gigabit for allSG4 9DE: gigabit for allSG4 9DG: gigabit for allSG4 9DJ: gigabit for allSG4 9DP: gigabit for allSG4 9DQ: gigabit for allSG4 9DR: gigabit for allSG4 9DS: gigabit for allSG4 9DU: gigabit for allSG4 9DW: gigabit for allSG4 9DX: gigabit for allSG4 9EA: gigabit for allSG4 9EB: gigabit for allSG4 9EE: gigabit for allSG4 9EF: gigabit for allSG4 9EG: gigabit for allSG4 9EH: gigabit for allSG4 9EJ: gigabit for allSG4 9EL: gigabit for allSG4 9EN: gigabit for allSG4 9EP: gigabit for allSG4 9EQ: gigabit for allSG4 9ER: gigabit for allSG4 9ES: gigabit for allSG4 9ET: gigabit for allSG4 9EU: gigabit for allSG4 9EX: gigabit for allSG4 9EY: gigabit for allSG4 9FB: gigabit for allSG4 9FE: gigabit for allSG4 9FF: gigabit for allSG4 9FG: gigabit for allSG4 9FH: gigabit for allSG4 9FJ: gigabit for allSG4 9FL: gigabit for allSG4 9FN: gigabit for allSG4 9FP: gigabit for allSG4 9GD: gigabit for allSG4 9HD: gigabit for allSG4 9HF: gigabit for allSG4 9HH: gigabit for allSG4 9HJ: gigabit for allSG4 9HN: gigabit for allSG4 9HP: gigabit for allSG4 9HR: gigabit for allSG4 9HS: gigabit for allSG4 9HT: gigabit for allSG4 9HU: gigabit for allSG4 9HW: gigabit for allSG4 9HX: gigabit for allSG4 9HY: gigabit for allSG4 9HZ: gigabit for allSG4 9JA: gigabit for allSG4 9JB: gigabit for allSG4 9JD: gigabit for allSG4 9JE: gigabit for allSG4 9JF: gigabit for allSG4 9JG: gigabit for allSG4 9JH: gigabit for allSG4 9JJ: gigabit for allSG4 9JL: gigabit for allSG4 9JN: gigabit for allSG4 9JQ: gigabit for allSG4 9JR: gigabit for allSG4 9JS: gigabit for allSG4 9JW: gigabit for allSG4 9LA: gigabit for allSG4 9LB: gigabit for allSG4 9LD: gigabit for allSG4 9LE: gigabit for allSG4 9LF: gigabit for allSG4 9LG: gigabit for allSG4 9LH: gigabit for allSG4 9LJ: gigabit for allSG4 9LL: gigabit for allSG4 9LN: gigabit for allSG4 9LP: gigabit for allSG4 9LQ: gigabit for allSG4 9LR: gigabit for allSG4 9LS: gigabit for allSG4 9LT: gigabit for allSG4 9LU: gigabit for allSG4 9LW: gigabit for allSG4 9LX: gigabit for allSG4 9LY: gigabit for allSG4 9LZ: gigabit for allSG4 9NA: gigabit for allSG4 9NG: gigabit for allSG4 9NH: gigabit for allSG4 9NJ: gigabit for allSG4 9NL: gigabit for allSG4 9NN: gigabit for allSG4 9NP: gigabit for allSG4 9NQ: gigabit for allSG4 9NS: gigabit for allSG4 9NT: gigabit for allSG4 9NU: gigabit for allSG4 9NW: gigabit for allSG4 9NX: gigabit for allSG4 9NY: gigabit for allSG4 9NZ: gigabit for allSG4 9PA: gigabit for allSG4 9PB: gigabit for allSG4 9PH: gigabit for allSG4 9PJ: gigabit for allSG4 9PL: gigabit for allSG4 9PN: gigabit for allSG4 9PP: gigabit for allSG4 9PR: gigabit for allSG4 9PS: gigabit for allSG4 9PT: gigabit for allSG4 9PX: gigabit for allSG4 9PY: gigabit for allSG4 9PZ: gigabit for allSG4 9QA: gigabit for allSG4 9QB: gigabit for allSG4 9QD: gigabit for allSG4 9QE: gigabit for allSG4 9QF: gigabit for allSG4 9QG: gigabit for allSG4 9QH: gigabit for allSG4 9QJ: gigabit for allSG4 9QL: gigabit for allSG4 9QP: gigabit for allSG4 9QQ: gigabit for allSG4 9QR: gigabit for allSG4 9QS: gigabit for allSG4 9QW: gigabit for allSG4 9QX: gigabit for allSG4 9QY: gigabit for allSG4 9QZ: gigabit for allSG4 9RA: gigabit for allSG4 9RB: gigabit for allSG4 9RD: gigabit for allSG4 9RE: gigabit for allSG4 9RG: gigabit for allSG4 9RH: gigabit for allSG4 9RJ: gigabit for allSG4 9RL: gigabit for allSG4 9RQ: gigabit for allSG4 9RS: gigabit for allSG4 9RU: gigabit for allSG4 9RW: gigabit for allSG4 9RY: gigabit for allSG4 9RZ: gigabit for allSG4 9SA: gigabit for allSG4 9SB: gigabit for allSG4 9SD: gigabit for allSG4 9SE: gigabit for allSG4 9SG: gigabit for allSG4 9SJ: gigabit for allSG4 9SL: gigabit for allSG4 9SQ: gigabit for allSG4 9SS: gigabit for allSG4 9ST: gigabit for allSG4 9SU: gigabit for allSG4 9TA: gigabit for allSG4 9TB: gigabit for allSG4 9TE: gigabit for allSG4 9TH: gigabit for allSG4 9TP: gigabit for allSG4 9TU: gigabit for allSG4 9TX: gigabit for allSG4 9TZ: gigabit for allSG4 9UA: gigabit for allSG4 9UJ: gigabit for allSG4 9UL: gigabit for allSG4 9YD: gigabit for allSG4 9YH: gigabit for allSG4 9YJ: gigabit for allSG4 9AE: some gigabitSG4 9AF: some gigabitSG4 9AH: some gigabitSG4 9AJ: some gigabitSG4 9BW: some gigabitSG4 9DH: some gigabitSG4 9DL: some gigabitSG4 9DN: some gigabitSG4 9DT: some gigabitSG4 9DZ: some gigabitSG4 9EW: some gigabitSG4 9JP: some gigabitSG4 9NB: some gigabitSG4 9NR: some gigabitSG4 9PG: some gigabitSG4 9SP: some gigabitSG4 9SX: some gigabitSG4 9TS: some gigabitSG4 9UN: some gigabitSG4 9AL: no gigabitSG4 9EZ: no gigabitSG4 9HA: no gigabitSG4 9PD: no gigabitSG4 9PW: no gigabitSG4 9QN: no gigabitSG4 9RT: no gigabitSG4 9SY: no gigabitSG4 9TL: no gigabitSG4 9TT: no gigabitSG4 9TW: no gigabitSG4 9UW: no gigabit Hitchin Map of every postcode in the SG4 9 sector, by gigabit broadband Of the 232 postcodes in the SG4 9 sector that ONS places, 12 have no home or business that can get gigabit, 21 have some that can, 198 can all get it and 1 have no Ofcom figure. 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
  • No home or business can get gigabit: 12
  • Some can get gigabit: 21
  • Every home and business can get gigabit: 198
  • Ofcom gives no figure: 1

Of the 232 postcodes in the SG4 9 sector that ONS places, 12 have no home or business that can get gigabit, 21 have some that can, 198 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. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

Sources: ONS Postcode Directory, August 2026, loaded 20 October 2026; Ofcom Connected Nations, Connected Nations, Spring 2026; roads, rivers and built-up areas: Ordnance Survey open maps. 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.

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 SG4 9?

Homes in SG4 9 sold for a typical £480,000 in the 12 months to September 2026, across 126 sales, HM Land Registry's figures show. The 12 months before gave £515,000 from 157 sales: not a change larger than chance would explain, given which homes happened to sell.

£480,000 typical price, the 12 months to September 2026
£515,000 12 months to September 2025
  • Detached £835,000 21 sales
  • Semi-detached £546,250 44 sales
  • Terraced £448,000 20 sales
  • Flat or maisonette £265,000 41 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 October 2026.

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: ONS Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed.

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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Where the facts on this page come from

Contains public sector information licensed under the Open Government Licence v3.0. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0.

Licence: Open Government Licence v3.0.

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