SG1 1 postcode sector in the SG1 district

SG1 1 is a sector of the SG1 district: every postcode that starts SG1 1. It has 222 postcodes in use, 16 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 1 sector, and which are new since 2020

Map of every postcode in the SG1 1 sector, by new since 2020 Of the 222 postcodes in the SG1 1 sector that ONS places, 18 are new since 2020 and 204 were in use before 2020. 2 groups of new postcodes are outlined: 6 new postcodes since 2020; 6 new postcodes since 2020. Places named: Stevenage. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A602A1(M)A1072 SG1 1AA: before 2020SG1 1AB: before 2020SG1 1AF: before 2020SG1 1AP: before 2020SG1 1AR: before 2020SG1 1AS: before 2020SG1 1AT: before 2020SG1 1AU: before 2020SG1 1AY: before 2020SG1 1BF: before 2020SG1 1BP: before 2020SG1 1BS: before 2020SG1 1BY: before 2020SG1 1DA: before 2020SG1 1DB: before 2020SG1 1DD: before 2020SG1 1DG: before 2020SG1 1DH: before 2020SG1 1DN: before 2020SG1 1DP: before 2020SG1 1EA: before 2020SG1 1EE: before 2020SG1 1EG: before 2020SG1 1EH: before 2020SG1 1EJ: before 2020SG1 1EL: before 2020SG1 1EN: before 2020SG1 1EP: before 2020SG1 1ER: before 2020SG1 1ES: before 2020SG1 1EW: before 2020SG1 1EZ: before 2020SG1 1FZ: before 2020SG1 1HB: before 2020SG1 1HD: before 2020SG1 1HE: before 2020SG1 1HF: before 2020SG1 1HH: before 2020SG1 1HS: before 2020SG1 1HT: before 2020SG1 1HX: before 2020SG1 1HY: before 2020SG1 1HZ: before 2020SG1 1JA: before 2020SG1 1JB: before 2020SG1 1JD: before 2020SG1 1JE: before 2020SG1 1JG: before 2020SG1 1JH: before 2020SG1 1JJ: before 2020SG1 1JL: before 2020SG1 1JN: before 2020SG1 1JS: before 2020SG1 1JU: before 2020SG1 1JX: before 2020SG1 1JY: before 2020SG1 1JZ: before 2020SG1 1LA: before 2020SG1 1LJ: before 2020SG1 1LL: before 2020SG1 1LN: before 2020SG1 1LP: before 2020SG1 1LQ: before 2020SG1 1LR: before 2020SG1 1LS: before 2020SG1 1LT: before 2020SG1 1LU: before 2020SG1 1LW: before 2020SG1 1LX: before 2020SG1 1LY: before 2020SG1 1LZ: before 2020SG1 1NA: before 2020SG1 1NB: before 2020SG1 1ND: before 2020SG1 1NE: before 2020SG1 1NG: before 2020SG1 1NH: before 2020SG1 1NJ: before 2020SG1 1NL: before 2020SG1 1NN: before 2020SG1 1NP: before 2020SG1 1NR: before 2020SG1 1NS: before 2020SG1 1NT: before 2020SG1 1NU: before 2020SG1 1PE: before 2020SG1 1PF: before 2020SG1 1PG: before 2020SG1 1PH: before 2020SG1 1PJ: before 2020SG1 1PL: before 2020SG1 1PN: before 2020SG1 1PP: before 2020SG1 1PQ: before 2020SG1 1PR: before 2020SG1 1PS: before 2020SG1 1PT: before 2020SG1 1PU: before 2020SG1 1PW: before 2020SG1 1PX: before 2020SG1 1PY: before 2020SG1 1PZ: before 2020SG1 1QA: before 2020SG1 1QB: before 2020SG1 1QD: before 2020SG1 1QE: before 2020SG1 1QG: before 2020SG1 1QQ: before 2020SG1 1QR: before 2020SG1 1QS: before 2020SG1 1QT: before 2020SG1 1QU: before 2020SG1 1QX: before 2020SG1 1QY: before 2020SG1 1QZ: before 2020SG1 1RA: before 2020SG1 1RB: before 2020SG1 1RD: before 2020SG1 1RE: before 2020SG1 1RF: before 2020SG1 1RG: before 2020SG1 1RH: before 2020SG1 1RJ: before 2020SG1 1RL: before 2020SG1 1RP: before 2020SG1 1RR: before 2020SG1 1RW: before 2020SG1 1SA: before 2020SG1 1SB: before 2020SG1 1SD: before 2020SG1 1SE: before 2020SG1 1SG: before 2020SG1 1SH: before 2020SG1 1SJ: before 2020SG1 1SL: before 2020SG1 1SN: before 2020SG1 1SP: before 2020SG1 1SQ: before 2020SG1 1SR: before 2020SG1 1SS: before 2020SG1 1ST: before 2020SG1 1SU: before 2020SG1 1SW: before 2020SG1 1SX: before 2020SG1 1SZ: before 2020SG1 1TA: before 2020SG1 1TB: before 2020SG1 1TD: before 2020SG1 1TE: before 2020SG1 1TF: before 2020SG1 1TG: before 2020SG1 1TL: before 2020SG1 1TN: before 2020SG1 1TP: before 2020SG1 1TR: before 2020SG1 1TS: before 2020SG1 1TT: before 2020SG1 1TU: before 2020SG1 1TW: before 2020SG1 1TX: before 2020SG1 1TZ: before 2020SG1 1UA: before 2020SG1 1UB: before 2020SG1 1UD: before 2020SG1 1UE: before 2020SG1 1UG: before 2020SG1 1UH: before 2020SG1 1UJ: before 2020SG1 1UL: before 2020SG1 1UN: before 2020SG1 1UP: before 2020SG1 1UQ: before 2020SG1 1UR: before 2020SG1 1UT: before 2020SG1 1UU: before 2020SG1 1UW: before 2020SG1 1WT: before 2020SG1 1WW: before 2020SG1 1WZ: before 2020SG1 1XB: before 2020SG1 1XF: before 2020SG1 1XH: before 2020SG1 1XN: before 2020SG1 1XP: before 2020SG1 1XR: before 2020SG1 1XT: before 2020SG1 1XU: before 2020SG1 1XW: before 2020SG1 1XX: before 2020SG1 1XY: before 2020SG1 1XZ: before 2020SG1 1YJ: before 2020SG1 1ZB: before 2020SG1 1BL: new since 2020SG1 1BX: new since 2020SG1 1DW: new since 2020SG1 1FN: new since 2020SG1 1FR: new since 2020SG1 1FX: new since 2020SG1 1GA: new since 2020SG1 1WR: new since 2020SG1 1WX: new since 2020SG1 1YT: new since 2020SG1 1LF: new since 2020 Stevenage 6 new postcodes since 2020, outlined: this goes to SG1 1FU, the newest of them6 new postcodes since 20206 new postcodes since 2020, outlined: this goes to SG1 1GU, the newest of them6 new postcodes since 2020 Map of every postcode in the SG1 1 sector, by new since 2020 Of the 222 postcodes in the SG1 1 sector that ONS places, 18 are new since 2020 and 204 were in use before 2020. 2 groups of new postcodes are outlined: 6 new postcodes since 2020; 6 new postcodes since 2020. Places named: Stevenage. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A602A1(M) Stevenage
  • New since 2020: 18
  • In use before 2020: 204
  • Outline: where 5 or more new postcodes since 2020 lie together

Of the 222 postcodes in the SG1 1 sector that ONS places, 18 are new since 2020 and 204 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. A dashed outline shows where 5 or more lie within 150 metres of each other. It is not a boundary, and 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 5 newest postcodes

SG1 1GUJune 2026SG1 1FUMay 2026SG1 1GTMay 2026SG1 1LFMarch 2026SG1 1GHDecember 2025

Where the new postcodes lie together

  • 6 new postcodes since 2020, outlined on the map. SG1 1FU, is the newest of them.
  • 6 new postcodes since 2020, outlined on the map. SG1 1GU, is the newest of them.

What do homes sell for in SG1 1?

Homes in SG1 1 sold for a typical £307,500 in the 12 months to August 2026, across 52 sales, up 9.8% on the 12 months before, HM Land Registry's figures show.

£307,500 typical price, the 12 months to August 2026
£280,000 12 months to August 2025
▲ up 9.8% on the 12 months before
  • Detached 1 sale, too few to price
  • Semi-detached 3 sales, too few to price
  • Terraced £323,000 36 sales
  • Flat or maisonette £173,750 12 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 1. 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 1

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 1AASG1 1ABSG1 1AFSG1 1APSG1 1ARSG1 1ASSG1 1ATSG1 1AUSG1 1AWSG1 1AXSG1 1AYSG1 1AZSG1 1BFSG1 1BHSG1 1BLSG1 1BPSG1 1BSSG1 1BXSG1 1BYSG1 1DASG1 1DBSG1 1DDSG1 1DGSG1 1DHSG1 1DJSG1 1DNSG1 1DPSG1 1DWSG1 1EASG1 1EESG1 1EGSG1 1EHSG1 1EJSG1 1ELSG1 1ENSG1 1EPSG1 1ERSG1 1ESSG1 1EWSG1 1EZSG1 1FNSG1 1FRSG1 1FTSG1 1FUSG1 1FXSG1 1FZSG1 1GASG1 1GGSG1 1GHSG1 1GPSG1 1GRSG1 1GTSG1 1GUSG1 1HBSG1 1HDSG1 1HESG1 1HFSG1 1HHSG1 1HNSG1 1HSSG1 1HTSG1 1HXSG1 1HYSG1 1HZSG1 1JASG1 1JBSG1 1JDSG1 1JESG1 1JGSG1 1JHSG1 1JJSG1 1JLSG1 1JNSG1 1JSSG1 1JTSG1 1JUSG1 1JWSG1 1JXSG1 1JYSG1 1JZSG1 1LASG1 1LDSG1 1LFSG1 1LJSG1 1LLSG1 1LNSG1 1LPSG1 1LQSG1 1LRSG1 1LSSG1 1LTSG1 1LUSG1 1LWSG1 1LXSG1 1LYSG1 1LZSG1 1NASG1 1NBSG1 1NDSG1 1NESG1 1NGSG1 1NHSG1 1NJSG1 1NLSG1 1NNSG1 1NPSG1 1NRSG1 1NSSG1 1NTSG1 1NUSG1 1PESG1 1PFSG1 1PGSG1 1PHSG1 1PJSG1 1PLSG1 1PNSG1 1PPSG1 1PQSG1 1PRSG1 1PSSG1 1PTSG1 1PUSG1 1PWSG1 1PXSG1 1PYSG1 1PZSG1 1QASG1 1QBSG1 1QDSG1 1QESG1 1QGSG1 1QQSG1 1QRSG1 1QSSG1 1QTSG1 1QUSG1 1QXSG1 1QYSG1 1QZSG1 1RASG1 1RBSG1 1RDSG1 1RESG1 1RFSG1 1RGSG1 1RHSG1 1RJSG1 1RLSG1 1RPSG1 1RRSG1 1RWSG1 1SASG1 1SBSG1 1SDSG1 1SESG1 1SGSG1 1SHSG1 1SJSG1 1SLSG1 1SNSG1 1SPSG1 1SQSG1 1SRSG1 1SSSG1 1STSG1 1SUSG1 1SWSG1 1SXSG1 1SZSG1 1TASG1 1TBSG1 1TDSG1 1TESG1 1TFSG1 1TGSG1 1TLSG1 1TNSG1 1TPSG1 1TRSG1 1TSSG1 1TTSG1 1TUSG1 1TWSG1 1TXSG1 1TZSG1 1UASG1 1UBSG1 1UDSG1 1UESG1 1UGSG1 1UHSG1 1UJSG1 1ULSG1 1UNSG1 1UPSG1 1UQSG1 1URSG1 1UTSG1 1UUSG1 1UWSG1 1WRSG1 1WTSG1 1WWSG1 1WXSG1 1WZSG1 1XBSG1 1XFSG1 1XHSG1 1XNSG1 1XPSG1 1XRSG1 1XTSG1 1XUSG1 1XWSG1 1XXSG1 1XYSG1 1XZSG1 1YJSG1 1YTSG1 1ZBSG1 1ZT

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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