SG1 3 postcode sector in the SG1 district

SG1 3 is a sector of the SG1 district: every postcode that starts SG1 3. It has 218 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 SG1 3 sector, and which are new since 2020

Map of every postcode in the SG1 3 sector, by new since 2020 Of the 218 postcodes in the SG1 3 sector that ONS places, 1 are new since 2020 and 217 were in use before 2020. Places named: Stevenage. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A1072A1155A602 SG1 3AB: before 2020SG1 3AD: before 2020SG1 3AE: before 2020SG1 3AF: before 2020SG1 3AG: before 2020SG1 3AH: before 2020SG1 3AL: before 2020SG1 3AN: before 2020SG1 3AP: before 2020SG1 3AQ: before 2020SG1 3AT: before 2020SG1 3AU: before 2020SG1 3AW: before 2020SG1 3AZ: before 2020SG1 3BB: before 2020SG1 3BE: before 2020SG1 3BF: before 2020SG1 3BH: before 2020SG1 3BJ: before 2020SG1 3BL: before 2020SG1 3BN: before 2020SG1 3BP: before 2020SG1 3BQ: before 2020SG1 3BS: before 2020SG1 3BT: before 2020SG1 3BU: before 2020SG1 3BW: before 2020SG1 3BX: before 2020SG1 3BY: before 2020SG1 3BZ: before 2020SG1 3DB: before 2020SG1 3DF: before 2020SG1 3DG: before 2020SG1 3DJ: before 2020SG1 3DL: before 2020SG1 3DQ: before 2020SG1 3DS: before 2020SG1 3DT: before 2020SG1 3DW: before 2020SG1 3DX: before 2020SG1 3DZ: before 2020SG1 3EA: before 2020SG1 3EB: before 2020SG1 3EE: before 2020SG1 3EF: before 2020SG1 3EJ: before 2020SG1 3EN: before 2020SG1 3ER: before 2020SG1 3ES: before 2020SG1 3ET: before 2020SG1 3EU: before 2020SG1 3EW: before 2020SG1 3EX: before 2020SG1 3EY: before 2020SG1 3EZ: before 2020SG1 3FA: before 2020SG1 3FD: before 2020SG1 3FG: before 2020SG1 3FH: before 2020SG1 3GA: before 2020SG1 3HA: before 2020SG1 3HD: before 2020SG1 3HE: before 2020SG1 3HF: before 2020SG1 3HH: before 2020SG1 3HJ: before 2020SG1 3HP: before 2020SG1 3HQ: before 2020SG1 3HR: before 2020SG1 3HS: before 2020SG1 3HT: before 2020SG1 3HU: before 2020SG1 3HW: before 2020SG1 3JA: before 2020SG1 3JB: before 2020SG1 3JD: before 2020SG1 3JE: before 2020SG1 3JF: before 2020SG1 3JG: before 2020SG1 3JH: before 2020SG1 3JJ: before 2020SG1 3JL: before 2020SG1 3JN: before 2020SG1 3JP: before 2020SG1 3JQ: before 2020SG1 3JR: before 2020SG1 3JS: before 2020SG1 3JT: before 2020SG1 3JU: before 2020SG1 3JX: before 2020SG1 3JY: before 2020SG1 3JZ: before 2020SG1 3LA: before 2020SG1 3LB: before 2020SG1 3LE: before 2020SG1 3LF: before 2020SG1 3LJ: before 2020SG1 3LL: before 2020SG1 3LP: before 2020SG1 3LQ: before 2020SG1 3LR: before 2020SG1 3LS: before 2020SG1 3LT: before 2020SG1 3LU: before 2020SG1 3LX: before 2020SG1 3LY: before 2020SG1 3LZ: before 2020SG1 3NA: before 2020SG1 3NB: before 2020SG1 3ND: before 2020SG1 3NE: before 2020SG1 3NG: before 2020SG1 3NH: before 2020SG1 3NJ: before 2020SG1 3NL: before 2020SG1 3NQ: before 2020SG1 3NT: before 2020SG1 3NU: before 2020SG1 3NX: before 2020SG1 3NY: before 2020SG1 3NZ: before 2020SG1 3PA: before 2020SG1 3PB: before 2020SG1 3PE: before 2020SG1 3PF: before 2020SG1 3PG: before 2020SG1 3PH: before 2020SG1 3PJ: before 2020SG1 3PL: before 2020SG1 3PN: before 2020SG1 3PP: before 2020SG1 3PR: before 2020SG1 3PS: before 2020SG1 3PT: before 2020SG1 3PU: before 2020SG1 3PW: before 2020SG1 3PX: before 2020SG1 3PY: before 2020SG1 3PZ: before 2020SG1 3QA: before 2020SG1 3QD: before 2020SG1 3QE: before 2020SG1 3QF: before 2020SG1 3QH: before 2020SG1 3QP: before 2020SG1 3QR: before 2020SG1 3QS: before 2020SG1 3QU: before 2020SG1 3QW: before 2020SG1 3QX: before 2020SG1 3QY: before 2020SG1 3QZ: before 2020SG1 3RA: before 2020SG1 3RB: before 2020SG1 3RD: before 2020SG1 3RE: before 2020SG1 3RH: before 2020SG1 3RJ: before 2020SG1 3RL: before 2020SG1 3RN: before 2020SG1 3RP: before 2020SG1 3RQ: before 2020SG1 3RR: before 2020SG1 3RS: before 2020SG1 3RT: before 2020SG1 3RU: before 2020SG1 3RW: before 2020SG1 3RY: before 2020SG1 3RZ: before 2020SG1 3SA: before 2020SG1 3SB: before 2020SG1 3SE: before 2020SG1 3SF: before 2020SG1 3SG: before 2020SG1 3SH: before 2020SG1 3SJ: before 2020SG1 3SL: before 2020SG1 3SP: before 2020SG1 3SQ: before 2020SG1 3SS: before 2020SG1 3SZ: before 2020SG1 3TA: before 2020SG1 3TB: before 2020SG1 3TD: before 2020SG1 3TE: before 2020SG1 3TG: before 2020SG1 3TL: before 2020SG1 3TN: before 2020SG1 3TP: before 2020SG1 3TR: before 2020SG1 3TS: before 2020SG1 3TT: before 2020SG1 3TU: before 2020SG1 3TW: before 2020SG1 3TX: before 2020SG1 3UF: before 2020SG1 3UG: before 2020SG1 3UH: before 2020SG1 3UJ: before 2020SG1 3UN: before 2020SG1 3UW: before 2020SG1 3WA: before 2020SG1 3WB: before 2020SG1 3XA: before 2020SG1 3XE: before 2020SG1 3XS: before 2020SG1 3XT: before 2020SG1 3XU: before 2020SG1 3XW: before 2020SG1 3XX: before 2020SG1 3XY: before 2020SG1 3XZ: before 2020SG1 3YJ: before 2020SG1 3YL: before 2020SG1 3YN: before 2020SG1 3YW: before 2020SG1 3FB: new since 2020 Stevenage Map of every postcode in the SG1 3 sector, by new since 2020 Of the 218 postcodes in the SG1 3 sector that ONS places, 1 are new since 2020 and 217 were in use before 2020. Places named: Stevenage. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A1072 Stevenage
  • New since 2020: 1
  • In use before 2020: 217

Of the 218 postcodes in the SG1 3 sector that ONS places, 1 are new since 2020 and 217 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 newest postcode

SG1 3FBNovember 2020

What do homes sell for in SG1 3?

Homes in SG1 3 sold for a typical £368,000 in the 12 months to August 2026, across 77 sales, down 0.9% on the 12 months before, HM Land Registry's figures show.

£368,000 typical price, the 12 months to August 2026
£371,250 12 months to August 2025
▼ down 0.9% on the 12 months before
  • Detached £610,000 13 sales
  • Semi-detached £451,250 22 sales
  • Terraced £355,500 18 sales
  • Flat or maisonette £229,000 24 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 SG1 3. 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 SG1 3

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.

SG1 3ABSG1 3ADSG1 3AESG1 3AFSG1 3AGSG1 3AHSG1 3ALSG1 3ANSG1 3APSG1 3AQSG1 3ATSG1 3AUSG1 3AWSG1 3AZSG1 3BBSG1 3BESG1 3BFSG1 3BGSG1 3BHSG1 3BJSG1 3BLSG1 3BNSG1 3BPSG1 3BQSG1 3BSSG1 3BTSG1 3BUSG1 3BWSG1 3BXSG1 3BYSG1 3BZSG1 3DBSG1 3DFSG1 3DGSG1 3DJSG1 3DLSG1 3DQSG1 3DSSG1 3DTSG1 3DWSG1 3DXSG1 3DZSG1 3EASG1 3EBSG1 3EESG1 3EFSG1 3EJSG1 3ENSG1 3ERSG1 3ESSG1 3ETSG1 3EUSG1 3EWSG1 3EXSG1 3EYSG1 3EZSG1 3FASG1 3FBSG1 3FDSG1 3FGSG1 3FHSG1 3GASG1 3HASG1 3HDSG1 3HESG1 3HFSG1 3HHSG1 3HJSG1 3HPSG1 3HQSG1 3HRSG1 3HSSG1 3HTSG1 3HUSG1 3HWSG1 3JASG1 3JBSG1 3JDSG1 3JESG1 3JFSG1 3JGSG1 3JHSG1 3JJSG1 3JLSG1 3JNSG1 3JPSG1 3JQSG1 3JRSG1 3JSSG1 3JTSG1 3JUSG1 3JXSG1 3JYSG1 3JZSG1 3LASG1 3LBSG1 3LESG1 3LFSG1 3LJSG1 3LLSG1 3LPSG1 3LQSG1 3LRSG1 3LSSG1 3LTSG1 3LUSG1 3LXSG1 3LYSG1 3LZSG1 3NASG1 3NBSG1 3NDSG1 3NESG1 3NGSG1 3NHSG1 3NJSG1 3NLSG1 3NQSG1 3NTSG1 3NUSG1 3NXSG1 3NYSG1 3NZSG1 3PASG1 3PBSG1 3PESG1 3PFSG1 3PGSG1 3PHSG1 3PJSG1 3PLSG1 3PNSG1 3PPSG1 3PRSG1 3PSSG1 3PTSG1 3PUSG1 3PWSG1 3PXSG1 3PYSG1 3PZSG1 3QASG1 3QDSG1 3QESG1 3QFSG1 3QHSG1 3QPSG1 3QRSG1 3QSSG1 3QUSG1 3QWSG1 3QXSG1 3QYSG1 3QZSG1 3RASG1 3RBSG1 3RDSG1 3RESG1 3RHSG1 3RJSG1 3RLSG1 3RNSG1 3RPSG1 3RQSG1 3RRSG1 3RSSG1 3RTSG1 3RUSG1 3RWSG1 3RYSG1 3RZSG1 3SASG1 3SBSG1 3SESG1 3SFSG1 3SGSG1 3SHSG1 3SJSG1 3SLSG1 3SPSG1 3SQSG1 3SSSG1 3SZSG1 3TASG1 3TBSG1 3TDSG1 3TESG1 3TGSG1 3TLSG1 3TNSG1 3TPSG1 3TRSG1 3TSSG1 3TTSG1 3TUSG1 3TWSG1 3TXSG1 3UFSG1 3UGSG1 3UHSG1 3UJSG1 3UNSG1 3UWSG1 3WASG1 3WBSG1 3XASG1 3XESG1 3XSSG1 3XTSG1 3XUSG1 3XWSG1 3XXSG1 3XYSG1 3XZSG1 3YJSG1 3YLSG1 3YNSG1 3YW

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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