SG4 8 postcode sector in the SG4 district

SG4 8 is a sector of the SG4 district: every postcode that starts SG4 8. It has 281 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 SG4 8 sector, by flood risk

Map of every postcode in the SG4 8 sector, by flood risk Of the 281 postcodes in the SG4 8 sector that ONS places, 2 have a home or business at high risk, 1 are at medium risk at worst, 1 are at low risk at worst and 277 are not on the Environment Agency's at-risk list. Places named: Codicote. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. A1(M) SG4 8AB: not on the flood risk listSG4 8AD: not on the flood risk listSG4 8AE: not on the flood risk listSG4 8AF: not on the flood risk listSG4 8AH: not on the flood risk listSG4 8AJ: not on the flood risk listSG4 8AL: not on the flood risk listSG4 8AP: not on the flood risk listSG4 8AQ: not on the flood risk listSG4 8AR: not on the flood risk listSG4 8AS: not on the flood risk listSG4 8AT: not on the flood risk listSG4 8AU: not on the flood risk listSG4 8AW: not on the flood risk listSG4 8AX: not on the flood risk listSG4 8BA: not on the flood risk listSG4 8BB: not on the flood risk listSG4 8BE: not on the flood risk listSG4 8BG: not on the flood risk listSG4 8BJ: not on the flood risk listSG4 8BL: not on the flood risk listSG4 8BN: not on the flood risk listSG4 8BP: not on the flood risk listSG4 8BQ: not on the flood risk listSG4 8BS: not on the flood risk listSG4 8BT: not on the flood risk listSG4 8BU: not on the flood risk listSG4 8BW: not on the flood risk listSG4 8BX: not on the flood risk listSG4 8BZ: not on the flood risk listSG4 8DA: not on the flood risk listSG4 8DB: not on the flood risk listSG4 8DD: not on the flood risk listSG4 8DE: not on the flood risk listSG4 8DF: not on the flood risk listSG4 8DG: not on the flood risk listSG4 8DH: not on the flood risk listSG4 8DJ: not on the flood risk listSG4 8DL: not on the flood risk listSG4 8DN: not on the flood risk listSG4 8DQ: not on the flood risk listSG4 8DR: not on the flood risk listSG4 8DS: not on the flood risk listSG4 8DU: not on the flood risk listSG4 8DW: not on the flood risk listSG4 8DX: not on the flood risk listSG4 8DY: not on the flood risk listSG4 8DZ: not on the flood risk listSG4 8EE: not on the flood risk listSG4 8EF: not on the flood risk listSG4 8EG: not on the flood risk listSG4 8EH: not on the flood risk listSG4 8EJ: not on the flood risk listSG4 8EL: not on the flood risk listSG4 8EN: not on the flood risk listSG4 8EP: not on the flood risk listSG4 8EQ: not on the flood risk listSG4 8ER: not on the flood risk listSG4 8ES: not on the flood risk listSG4 8ET: not on the flood risk listSG4 8EU: not on the flood risk listSG4 8EW: not on the flood risk listSG4 8EX: not on the flood risk listSG4 8EY: not on the flood risk listSG4 8EZ: not on the flood risk listSG4 8FG: not on the flood risk listSG4 8FN: not on the flood risk listSG4 8FS: not on the flood risk listSG4 8GG: not on the flood risk listSG4 8HA: not on the flood risk listSG4 8HB: not on the flood risk listSG4 8HD: not on the flood risk listSG4 8HE: not on the flood risk listSG4 8HF: not on the flood risk listSG4 8HG: not on the flood risk listSG4 8HH: not on the flood risk listSG4 8HJ: not on the flood risk listSG4 8HL: not on the flood risk listSG4 8HN: not on the flood risk listSG4 8HP: not on the flood risk listSG4 8HS: not on the flood risk listSG4 8HU: not on the flood risk listSG4 8HX: not on the flood risk listSG4 8HY: not on the flood risk listSG4 8HZ: not on the flood risk listSG4 8JA: not on the flood risk listSG4 8JB: not on the flood risk listSG4 8JD: not on the flood risk listSG4 8JE: not on the flood risk listSG4 8JG: not on the flood risk listSG4 8JJ: not on the flood risk listSG4 8JN: not on the flood risk listSG4 8JP: not on the flood risk listSG4 8JQ: not on the flood risk listSG4 8JS: not on the flood risk listSG4 8JT: not on the flood risk listSG4 8JU: not on the flood risk listSG4 8JX: not on the flood risk listSG4 8JY: not on the flood risk listSG4 8JZ: not on the flood risk listSG4 8LA: not on the flood risk listSG4 8LB: not on the flood risk listSG4 8LD: not on the flood risk listSG4 8LE: not on the flood risk listSG4 8LF: not on the flood risk listSG4 8LG: not on the flood risk listSG4 8LH: not on the flood risk listSG4 8LJ: not on the flood risk listSG4 8LL: not on the flood risk listSG4 8LN: not on the flood risk listSG4 8LP: not on the flood risk listSG4 8LR: not on the flood risk listSG4 8LS: not on the flood risk listSG4 8LT: not on the flood risk listSG4 8LU: not on the flood risk listSG4 8LW: not on the flood risk listSG4 8NE: not on the flood risk listSG4 8NG: not on the flood risk listSG4 8NJ: not on the flood risk listSG4 8NL: not on the flood risk listSG4 8NP: not on the flood risk listSG4 8NQ: not on the flood risk listSG4 8NR: not on the flood risk listSG4 8NS: not on the flood risk listSG4 8NT: not on the flood risk listSG4 8NU: not on the flood risk listSG4 8NW: not on the flood risk listSG4 8NX: not on the flood risk listSG4 8NY: not on the flood risk listSG4 8NZ: not on the flood risk listSG4 8PA: not on the flood risk listSG4 8PB: not on the flood risk listSG4 8PD: not on the flood risk listSG4 8PE: not on the flood risk listSG4 8PF: not on the flood risk listSG4 8PG: not on the flood risk listSG4 8PH: not on the flood risk listSG4 8PJ: not on the flood risk listSG4 8PL: not on the flood risk listSG4 8PP: not on the flood risk listSG4 8PR: not on the flood risk listSG4 8PT: not on the flood risk listSG4 8PY: not on the flood risk listSG4 8PZ: not on the flood risk listSG4 8QA: not on the flood risk listSG4 8QE: not on the flood risk listSG4 8QG: not on the flood risk listSG4 8QH: not on the flood risk listSG4 8QJ: not on the flood risk listSG4 8QL: not on the flood risk listSG4 8QN: not on the flood risk listSG4 8QP: not on the flood risk listSG4 8QQ: not on the flood risk listSG4 8QR: not on the flood risk listSG4 8QS: not on the flood risk listSG4 8QT: not on the flood risk listSG4 8QU: not on the flood risk listSG4 8RA: not on the flood risk listSG4 8RB: not on the flood risk listSG4 8RG: not on the flood risk listSG4 8RH: not on the flood risk listSG4 8RJ: not on the flood risk listSG4 8RP: not on the flood risk listSG4 8RR: not on the flood risk listSG4 8RS: not on the flood risk listSG4 8RT: not on the flood risk listSG4 8SA: not on the flood risk listSG4 8SB: not on the flood risk listSG4 8SD: not on the flood risk listSG4 8SE: not on the flood risk listSG4 8SN: not on the flood risk listSG4 8SR: not on the flood risk listSG4 8SU: not on the flood risk listSG4 8SW: not on the flood risk listSG4 8SX: not on the flood risk listSG4 8SY: not on the flood risk listSG4 8SZ: not on the flood risk listSG4 8TA: not on the flood risk listSG4 8TB: not on the flood risk listSG4 8TD: not on the flood risk listSG4 8TF: not on the flood risk listSG4 8TG: not on the flood risk listSG4 8TH: not on the flood risk listSG4 8TJ: not on the flood risk listSG4 8TP: not on the flood risk listSG4 8TQ: not on the flood risk listSG4 8TR: not on the flood risk listSG4 8TS: not on the flood risk listSG4 8TY: not on the flood risk listSG4 8UA: not on the flood risk listSG4 8UD: not on the flood risk listSG4 8UG: not on the flood risk listSG4 8UJ: not on the flood risk listSG4 8UN: not on the flood risk listSG4 8UP: not on the flood risk listSG4 8UQ: not on the flood risk listSG4 8UR: not on the flood risk listSG4 8US: not on the flood risk listSG4 8UT: not on the flood risk listSG4 8UU: not on the flood risk listSG4 8UW: not on the flood risk listSG4 8UX: not on the flood risk listSG4 8UY: not on the flood risk listSG4 8UZ: not on the flood risk listSG4 8WP: not on the flood risk listSG4 8WT: not on the flood risk listSG4 8WW: not on the flood risk listSG4 8XA: not on the flood risk listSG4 8XB: not on the flood risk listSG4 8XG: not on the flood risk listSG4 8XH: not on the flood risk listSG4 8XJ: not on the flood risk listSG4 8XL: not on the flood risk listSG4 8XP: not on the flood risk listSG4 8XR: not on the flood risk listSG4 8XS: not on the flood risk listSG4 8XU: not on the flood risk listSG4 8XW: not on the flood risk listSG4 8XX: not on the flood risk listSG4 8XY: not on the flood risk listSG4 8XZ: not on the flood risk listSG4 8YB: not on the flood risk listSG4 8YE: not on the flood risk listSG4 8YF: not on the flood risk listSG4 8YG: not on the flood risk listSG4 8YJ: not on the flood risk listSG4 8YL: not on the flood risk listSG4 8YN: not on the flood risk listSG4 8YP: not on the flood risk listSG4 8YQ: not on the flood risk listSG4 8YR: not on the flood risk listSG4 8YS: not on the flood risk listSG4 8YT: not on the flood risk listSG4 8YU: not on the flood risk listSG4 8YW: not on the flood risk listSG4 8YX: not on the flood risk listSG4 8YY: not on the flood risk listSG4 8YZ: not on the flood risk listSG4 8SP: low flood risk at worstSG4 8AG: medium flood risk at worstSG4 8SL: high flood riskSG4 8ST: high flood risk Codicote Map of every postcode in the SG4 8 sector, by flood risk Of the 281 postcodes in the SG4 8 sector that ONS places, 2 have a home or business at high risk, 1 are at medium risk at worst, 1 are at low risk at worst and 277 are not on the Environment Agency's at-risk list. Places named: Codicote. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. Codicote
  • A home or business at high risk: 2
  • At medium risk at worst: 1
  • At low risk at worst: 1
  • At very low risk only: 0
  • Not on the at-risk list: 277

Of the 281 postcodes in the SG4 8 sector that ONS places, 2 have a home or business at high risk, 1 are at medium risk at worst, 1 are at low risk at worst and 277 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

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

SG4 8ST1 at high riskSG4 8SL1 at high risk

What do homes sell for in SG4 8?

Homes in SG4 8 sold for a typical £453,150 in the 12 months to August 2026, across 76 sales, down 15.5% on the 12 months before, HM Land Registry's figures show.

£453,150 typical price, the 12 months to August 2026
£536,000 12 months to August 2025
▼ down 15.5% on the 12 months before
  • Detached £750,000 25 sales
  • Semi-detached £463,150 20 sales
  • Terraced £345,000 29 sales
  • Flat or maisonette 2 sales, too few to price

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 8. 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 8

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 8ABSG4 8ADSG4 8AESG4 8AFSG4 8AGSG4 8AHSG4 8AJSG4 8ALSG4 8ANSG4 8APSG4 8AQSG4 8ARSG4 8ASSG4 8ATSG4 8AUSG4 8AWSG4 8AXSG4 8AZSG4 8BASG4 8BBSG4 8BESG4 8BGSG4 8BJSG4 8BLSG4 8BNSG4 8BPSG4 8BQSG4 8BSSG4 8BTSG4 8BUSG4 8BWSG4 8BXSG4 8BZSG4 8DASG4 8DBSG4 8DDSG4 8DESG4 8DFSG4 8DGSG4 8DHSG4 8DJSG4 8DLSG4 8DNSG4 8DQSG4 8DRSG4 8DSSG4 8DUSG4 8DWSG4 8DXSG4 8DYSG4 8DZSG4 8EBSG4 8EESG4 8EFSG4 8EGSG4 8EHSG4 8EJSG4 8ELSG4 8ENSG4 8EPSG4 8EQSG4 8ERSG4 8ESSG4 8ETSG4 8EUSG4 8EWSG4 8EXSG4 8EYSG4 8EZSG4 8FGSG4 8FNSG4 8FSSG4 8GGSG4 8HASG4 8HBSG4 8HDSG4 8HESG4 8HFSG4 8HGSG4 8HHSG4 8HJSG4 8HLSG4 8HNSG4 8HPSG4 8HRSG4 8HSSG4 8HTSG4 8HUSG4 8HXSG4 8HYSG4 8HZSG4 8JASG4 8JBSG4 8JDSG4 8JESG4 8JGSG4 8JHSG4 8JJSG4 8JNSG4 8JPSG4 8JQSG4 8JSSG4 8JTSG4 8JUSG4 8JXSG4 8JYSG4 8JZSG4 8LASG4 8LBSG4 8LDSG4 8LESG4 8LFSG4 8LGSG4 8LHSG4 8LJSG4 8LLSG4 8LNSG4 8LPSG4 8LRSG4 8LSSG4 8LTSG4 8LUSG4 8LWSG4 8LXSG4 8LYSG4 8NESG4 8NGSG4 8NHSG4 8NJSG4 8NLSG4 8NNSG4 8NPSG4 8NQSG4 8NRSG4 8NSSG4 8NTSG4 8NUSG4 8NWSG4 8NXSG4 8NYSG4 8NZSG4 8PASG4 8PBSG4 8PDSG4 8PESG4 8PFSG4 8PGSG4 8PHSG4 8PJSG4 8PLSG4 8PNSG4 8PPSG4 8PRSG4 8PTSG4 8PUSG4 8PWSG4 8PYSG4 8PZSG4 8QASG4 8QBSG4 8QDSG4 8QESG4 8QGSG4 8QHSG4 8QJSG4 8QLSG4 8QNSG4 8QPSG4 8QQSG4 8QRSG4 8QSSG4 8QTSG4 8QUSG4 8QWSG4 8RASG4 8RBSG4 8RDSG4 8RFSG4 8RGSG4 8RHSG4 8RJSG4 8RNSG4 8RPSG4 8RRSG4 8RSSG4 8RTSG4 8RUSG4 8RXSG4 8RZSG4 8SASG4 8SBSG4 8SDSG4 8SESG4 8SFSG4 8SLSG4 8SNSG4 8SPSG4 8SRSG4 8STSG4 8SUSG4 8SWSG4 8SXSG4 8SYSG4 8SZSG4 8TASG4 8TBSG4 8TDSG4 8TFSG4 8TGSG4 8THSG4 8TJSG4 8TPSG4 8TQSG4 8TRSG4 8TSSG4 8TYSG4 8UASG4 8UBSG4 8UDSG4 8UESG4 8UFSG4 8UGSG4 8UHSG4 8UJSG4 8ULSG4 8UNSG4 8UPSG4 8UQSG4 8URSG4 8USSG4 8UTSG4 8UUSG4 8UWSG4 8UXSG4 8UYSG4 8UZSG4 8WHSG4 8WJSG4 8WPSG4 8WTSG4 8WWSG4 8XASG4 8XBSG4 8XDSG4 8XESG4 8XFSG4 8XGSG4 8XHSG4 8XJSG4 8XLSG4 8XNSG4 8XPSG4 8XQSG4 8XRSG4 8XSSG4 8XTSG4 8XUSG4 8XWSG4 8XXSG4 8XYSG4 8XZSG4 8YASG4 8YBSG4 8YDSG4 8YESG4 8YFSG4 8YGSG4 8YHSG4 8YJSG4 8YLSG4 8YNSG4 8YPSG4 8YQSG4 8YRSG4 8YSSG4 8YTSG4 8YUSG4 8YWSG4 8YXSG4 8YYSG4 8YZ

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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