SG4 0 postcode sector in the SG4 district

SG4 0 is a sector of the SG4 district: every postcode that starts SG4 0. It has 184 postcodes in use, 9 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 0 sector, and which are new since 2020

Map of every postcode in the SG4 0 sector, by new since 2020 Of the 184 postcodes in the SG4 0 sector that ONS places, 4 are new since 2020 and 180 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. A505 SG4 0AA: before 2020SG4 0AB: before 2020SG4 0AE: before 2020SG4 0AF: before 2020SG4 0AG: before 2020SG4 0AH: before 2020SG4 0AJ: before 2020SG4 0AL: before 2020SG4 0AN: before 2020SG4 0AP: before 2020SG4 0AQ: before 2020SG4 0AS: before 2020SG4 0AT: before 2020SG4 0AU: before 2020SG4 0AW: before 2020SG4 0AX: before 2020SG4 0AZ: before 2020SG4 0BA: before 2020SG4 0BD: before 2020SG4 0BE: before 2020SG4 0BF: before 2020SG4 0BG: before 2020SG4 0BH: before 2020SG4 0BJ: before 2020SG4 0BL: before 2020SG4 0BN: before 2020SG4 0BP: before 2020SG4 0BQ: before 2020SG4 0BS: before 2020SG4 0BT: before 2020SG4 0BU: before 2020SG4 0BW: before 2020SG4 0BX: before 2020SG4 0BZ: before 2020SG4 0DA: before 2020SG4 0DB: before 2020SG4 0DH: before 2020SG4 0DL: before 2020SG4 0DN: before 2020SG4 0DP: before 2020SG4 0DR: before 2020SG4 0DS: before 2020SG4 0DU: before 2020SG4 0DW: before 2020SG4 0EA: before 2020SG4 0EB: before 2020SG4 0ED: before 2020SG4 0EH: before 2020SG4 0EJ: before 2020SG4 0EL: before 2020SG4 0EP: before 2020SG4 0ER: before 2020SG4 0ES: before 2020SG4 0ET: before 2020SG4 0EU: before 2020SG4 0EX: before 2020SG4 0EZ: before 2020SG4 0FP: before 2020SG4 0FR: before 2020SG4 0FS: before 2020SG4 0HB: before 2020SG4 0HL: before 2020SG4 0HN: before 2020SG4 0HP: before 2020SG4 0HR: before 2020SG4 0HS: before 2020SG4 0HW: before 2020SG4 0HX: before 2020SG4 0HY: before 2020SG4 0JB: before 2020SG4 0JD: before 2020SG4 0JE: before 2020SG4 0JG: before 2020SG4 0JH: before 2020SG4 0JL: before 2020SG4 0JN: before 2020SG4 0JP: before 2020SG4 0JR: before 2020SG4 0JS: before 2020SG4 0JT: before 2020SG4 0JU: before 2020SG4 0JW: before 2020SG4 0LA: before 2020SG4 0LB: before 2020SG4 0LD: before 2020SG4 0LE: before 2020SG4 0LG: before 2020SG4 0LN: before 2020SG4 0LP: before 2020SG4 0LQ: before 2020SG4 0LR: before 2020SG4 0LS: before 2020SG4 0LT: before 2020SG4 0LU: before 2020SG4 0LW: before 2020SG4 0LX: before 2020SG4 0NE: before 2020SG4 0NF: before 2020SG4 0NG: before 2020SG4 0NH: before 2020SG4 0NJ: before 2020SG4 0NL: before 2020SG4 0NN: before 2020SG4 0NP: before 2020SG4 0NQ: before 2020SG4 0NR: before 2020SG4 0NS: before 2020SG4 0NT: before 2020SG4 0NU: before 2020SG4 0NW: before 2020SG4 0NX: before 2020SG4 0NY: before 2020SG4 0NZ: before 2020SG4 0PA: before 2020SG4 0PB: before 2020SG4 0PD: before 2020SG4 0PE: before 2020SG4 0PF: before 2020SG4 0PG: before 2020SG4 0PH: before 2020SG4 0PJ: before 2020SG4 0PL: before 2020SG4 0PN: before 2020SG4 0PP: before 2020SG4 0PQ: before 2020SG4 0PR: before 2020SG4 0PS: before 2020SG4 0PT: before 2020SG4 0PU: before 2020SG4 0PW: before 2020SG4 0PX: before 2020SG4 0PY: before 2020SG4 0PZ: before 2020SG4 0QA: before 2020SG4 0QB: before 2020SG4 0QD: before 2020SG4 0QE: before 2020SG4 0QF: before 2020SG4 0QG: before 2020SG4 0QH: before 2020SG4 0QJ: before 2020SG4 0QL: before 2020SG4 0QN: before 2020SG4 0QP: before 2020SG4 0QQ: before 2020SG4 0QR: before 2020SG4 0QS: before 2020SG4 0QT: before 2020SG4 0QU: before 2020SG4 0QW: before 2020SG4 0QX: before 2020SG4 0QY: before 2020SG4 0QZ: before 2020SG4 0RA: before 2020SG4 0RB: before 2020SG4 0RD: before 2020SG4 0RE: before 2020SG4 0RF: before 2020SG4 0RG: before 2020SG4 0RH: before 2020SG4 0RJ: before 2020SG4 0RQ: before 2020SG4 0RS: before 2020SG4 0RY: before 2020SG4 0SA: before 2020SG4 0SB: before 2020SG4 0SE: before 2020SG4 0SL: before 2020SG4 0SQ: before 2020SG4 0TJ: before 2020SG4 0TP: before 2020SG4 0TS: before 2020SG4 0TW: before 2020SG4 0TY: before 2020SG4 0TZ: before 2020SG4 0UB: before 2020SG4 0UD: before 2020SG4 0UZ: before 2020SG4 0LF: new since 2020SG4 0LJ: new since 2020SG4 0LL: new since 2020SG4 0LZ: new since 2020 Hitchin Map of every postcode in the SG4 0 sector, by new since 2020 Of the 184 postcodes in the SG4 0 sector that ONS places, 4 are new since 2020 and 180 were in use before 2020. One postcode lies beyond the edge and is listed under the map. Places named: Hitchin Walsworth, Hitchin Bearton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Hitchin WalsworthHitchin Bearton
  • New since 2020: 4
  • In use before 2020: 180

Of the 184 postcodes in the SG4 0 sector that ONS places, 4 are new since 2020 and 180 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. Names in italics are council wards: we hold no town or village names here.

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 4 newest postcodes

SG4 0LZApril 2024SG4 0LLDecember 2022SG4 0LJSeptember 2022SG4 0LFJuly 2022

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 0WW

What do homes sell for in SG4 0?

Homes in SG4 0 sold for a typical £398,500 in the 12 months to August 2026, across 118 sales, down 9.6% on the 12 months before, HM Land Registry's figures show.

£398,500 typical price, the 12 months to August 2026
£441,000 12 months to August 2025
▼ down 9.6% on the 12 months before
  • Detached £650,000 11 sales
  • Semi-detached £522,500 38 sales
  • Terraced £390,000 32 sales
  • Flat or maisonette £220,000 37 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 0. 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 0

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 0AASG4 0ABSG4 0AESG4 0AFSG4 0AGSG4 0AHSG4 0AJSG4 0ALSG4 0ANSG4 0APSG4 0AQSG4 0ASSG4 0ATSG4 0AUSG4 0AWSG4 0AXSG4 0AZSG4 0BASG4 0BDSG4 0BESG4 0BFSG4 0BGSG4 0BHSG4 0BJSG4 0BLSG4 0BNSG4 0BPSG4 0BQSG4 0BSSG4 0BTSG4 0BUSG4 0BWSG4 0BXSG4 0BZSG4 0DASG4 0DBSG4 0DHSG4 0DLSG4 0DNSG4 0DPSG4 0DRSG4 0DSSG4 0DUSG4 0DWSG4 0EASG4 0EBSG4 0EDSG4 0EHSG4 0EJSG4 0ELSG4 0EPSG4 0ERSG4 0ESSG4 0ETSG4 0EUSG4 0EXSG4 0EZSG4 0FPSG4 0FRSG4 0FSSG4 0HBSG4 0HLSG4 0HNSG4 0HPSG4 0HRSG4 0HSSG4 0HWSG4 0HXSG4 0HYSG4 0JBSG4 0JDSG4 0JESG4 0JGSG4 0JHSG4 0JLSG4 0JNSG4 0JPSG4 0JRSG4 0JSSG4 0JTSG4 0JUSG4 0JWSG4 0JXSG4 0LASG4 0LBSG4 0LDSG4 0LESG4 0LFSG4 0LGSG4 0LJSG4 0LLSG4 0LNSG4 0LPSG4 0LQSG4 0LRSG4 0LSSG4 0LTSG4 0LUSG4 0LWSG4 0LXSG4 0LZSG4 0NESG4 0NFSG4 0NGSG4 0NHSG4 0NJSG4 0NLSG4 0NNSG4 0NPSG4 0NQSG4 0NRSG4 0NSSG4 0NTSG4 0NUSG4 0NWSG4 0NXSG4 0NYSG4 0NZSG4 0PASG4 0PBSG4 0PDSG4 0PESG4 0PFSG4 0PGSG4 0PHSG4 0PJSG4 0PLSG4 0PNSG4 0PPSG4 0PQSG4 0PRSG4 0PSSG4 0PTSG4 0PUSG4 0PWSG4 0PXSG4 0PYSG4 0PZSG4 0QASG4 0QBSG4 0QDSG4 0QESG4 0QFSG4 0QGSG4 0QHSG4 0QJSG4 0QLSG4 0QNSG4 0QPSG4 0QQSG4 0QRSG4 0QSSG4 0QTSG4 0QUSG4 0QWSG4 0QXSG4 0QYSG4 0QZSG4 0RASG4 0RBSG4 0RDSG4 0RESG4 0RFSG4 0RGSG4 0RHSG4 0RJSG4 0RQSG4 0RSSG4 0RYSG4 0SASG4 0SBSG4 0SESG4 0SLSG4 0SQSG4 0TJSG4 0TPSG4 0TSSG4 0TWSG4 0TYSG4 0TZSG4 0UBSG4 0UDSG4 0UZSG4 0WW

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.