SG5 3 postcode sector in the SG5 district

SG5 3 is a sector of the SG5 district: every postcode that starts SG5 3. It has 270 postcodes in use, 3 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 SG5 3 sector, by flood risk

Map of every postcode in the SG5 3 sector, by flood risk Of the 270 postcodes in the SG5 3 sector that ONS places, 2 have a home or business at high risk, 3 are at medium risk at worst, 7 are at low risk at worst and 258 are not on the Environment Agency's at-risk list. Places named: Hitchin, Lower Stondon, Ickleford. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A600A505A602 SG5 3AA: not on the flood risk listSG5 3AE: not on the flood risk listSG5 3AG: not on the flood risk listSG5 3AN: not on the flood risk listSG5 3AR: not on the flood risk listSG5 3AS: not on the flood risk listSG5 3AT: not on the flood risk listSG5 3AU: not on the flood risk listSG5 3AX: not on the flood risk listSG5 3AZ: not on the flood risk listSG5 3BG: not on the flood risk listSG5 3BH: not on the flood risk listSG5 3BJ: not on the flood risk listSG5 3BL: not on the flood risk listSG5 3BN: not on the flood risk listSG5 3BP: not on the flood risk listSG5 3BQ: not on the flood risk listSG5 3BS: not on the flood risk listSG5 3BT: not on the flood risk listSG5 3BU: not on the flood risk listSG5 3BX: not on the flood risk listSG5 3BY: not on the flood risk listSG5 3BZ: not on the flood risk listSG5 3DA: not on the flood risk listSG5 3DB: not on the flood risk listSG5 3DE: not on the flood risk listSG5 3DF: not on the flood risk listSG5 3DG: not on the flood risk listSG5 3DH: not on the flood risk listSG5 3DJ: not on the flood risk listSG5 3DL: not on the flood risk listSG5 3DN: not on the flood risk listSG5 3DP: not on the flood risk listSG5 3DQ: not on the flood risk listSG5 3DR: not on the flood risk listSG5 3DT: not on the flood risk listSG5 3DU: not on the flood risk listSG5 3DW: not on the flood risk listSG5 3DX: not on the flood risk listSG5 3DY: not on the flood risk listSG5 3EA: not on the flood risk listSG5 3EB: not on the flood risk listSG5 3ED: not on the flood risk listSG5 3EE: not on the flood risk listSG5 3EF: not on the flood risk listSG5 3EG: not on the flood risk listSG5 3EH: not on the flood risk listSG5 3EJ: not on the flood risk listSG5 3EL: not on the flood risk listSG5 3EP: not on the flood risk listSG5 3EQ: not on the flood risk listSG5 3ER: not on the flood risk listSG5 3ES: not on the flood risk listSG5 3ET: not on the flood risk listSG5 3EU: not on the flood risk listSG5 3EX: not on the flood risk listSG5 3EY: not on the flood risk listSG5 3EZ: not on the flood risk listSG5 3FA: not on the flood risk listSG5 3FE: not on the flood risk listSG5 3FH: not on the flood risk listSG5 3FJ: not on the flood risk listSG5 3FL: not on the flood risk listSG5 3FN: not on the flood risk listSG5 3FP: not on the flood risk listSG5 3FR: not on the flood risk listSG5 3FS: not on the flood risk listSG5 3FT: not on the flood risk listSG5 3FU: not on the flood risk listSG5 3FW: not on the flood risk listSG5 3FX: not on the flood risk listSG5 3GG: not on the flood risk listSG5 3HB: not on the flood risk listSG5 3HD: not on the flood risk listSG5 3HE: not on the flood risk listSG5 3HG: not on the flood risk listSG5 3HH: not on the flood risk listSG5 3HJ: not on the flood risk listSG5 3HL: not on the flood risk listSG5 3HP: not on the flood risk listSG5 3HQ: not on the flood risk listSG5 3HR: not on the flood risk listSG5 3HS: not on the flood risk listSG5 3HT: not on the flood risk listSG5 3HX: not on the flood risk listSG5 3HZ: not on the flood risk listSG5 3JA: not on the flood risk listSG5 3JB: not on the flood risk listSG5 3JD: not on the flood risk listSG5 3JE: not on the flood risk listSG5 3JF: not on the flood risk listSG5 3JG: not on the flood risk listSG5 3JH: not on the flood risk listSG5 3JJ: not on the flood risk listSG5 3JL: not on the flood risk listSG5 3JN: not on the flood risk listSG5 3JP: not on the flood risk listSG5 3JR: not on the flood risk listSG5 3JS: not on the flood risk listSG5 3JT: not on the flood risk listSG5 3JU: not on the flood risk listSG5 3JX: not on the flood risk listSG5 3JZ: not on the flood risk listSG5 3LA: not on the flood risk listSG5 3LB: not on the flood risk listSG5 3LD: not on the flood risk listSG5 3LE: not on the flood risk listSG5 3LH: not on the flood risk listSG5 3LJ: not on the flood risk listSG5 3LL: not on the flood risk listSG5 3LN: not on the flood risk listSG5 3LP: not on the flood risk listSG5 3LR: not on the flood risk listSG5 3LS: not on the flood risk listSG5 3LT: not on the flood risk listSG5 3LU: not on the flood risk listSG5 3LW: not on the flood risk listSG5 3LX: not on the flood risk listSG5 3LY: not on the flood risk listSG5 3LZ: not on the flood risk listSG5 3NA: not on the flood risk listSG5 3NB: not on the flood risk listSG5 3ND: not on the flood risk listSG5 3NE: not on the flood risk listSG5 3NH: not on the flood risk listSG5 3NL: not on the flood risk listSG5 3NN: not on the flood risk listSG5 3NP: not on the flood risk listSG5 3NR: not on the flood risk listSG5 3NS: not on the flood risk listSG5 3NT: not on the flood risk listSG5 3NX: not on the flood risk listSG5 3NZ: not on the flood risk listSG5 3PA: not on the flood risk listSG5 3PB: not on the flood risk listSG5 3PD: not on the flood risk listSG5 3PF: not on the flood risk listSG5 3PG: not on the flood risk listSG5 3PH: not on the flood risk listSG5 3PJ: not on the flood risk listSG5 3PL: not on the flood risk listSG5 3PN: not on the flood risk listSG5 3PR: not on the flood risk listSG5 3PS: not on the flood risk listSG5 3PT: not on the flood risk listSG5 3PU: not on the flood risk listSG5 3PZ: not on the flood risk listSG5 3QA: not on the flood risk listSG5 3QB: not on the flood risk listSG5 3QE: not on the flood risk listSG5 3QF: not on the flood risk listSG5 3QG: not on the flood risk listSG5 3QH: not on the flood risk listSG5 3QJ: not on the flood risk listSG5 3QL: not on the flood risk listSG5 3QN: not on the flood risk listSG5 3QP: not on the flood risk listSG5 3QQ: not on the flood risk listSG5 3QR: not on the flood risk listSG5 3QS: not on the flood risk listSG5 3QT: not on the flood risk listSG5 3QU: not on the flood risk listSG5 3QW: not on the flood risk listSG5 3QX: not on the flood risk listSG5 3QY: not on the flood risk listSG5 3QZ: not on the flood risk listSG5 3RA: not on the flood risk listSG5 3RB: not on the flood risk listSG5 3RD: not on the flood risk listSG5 3RE: not on the flood risk listSG5 3RG: not on the flood risk listSG5 3RN: not on the flood risk listSG5 3RP: not on the flood risk listSG5 3RR: not on the flood risk listSG5 3RS: not on the flood risk listSG5 3RT: not on the flood risk listSG5 3RU: not on the flood risk listSG5 3RZ: not on the flood risk listSG5 3SB: not on the flood risk listSG5 3SD: not on the flood risk listSG5 3SG: not on the flood risk listSG5 3SH: not on the flood risk listSG5 3SJ: not on the flood risk listSG5 3SL: not on the flood risk listSG5 3SN: not on the flood risk listSG5 3SP: not on the flood risk listSG5 3SQ: not on the flood risk listSG5 3SR: not on the flood risk listSG5 3SS: not on the flood risk listSG5 3ST: not on the flood risk listSG5 3SU: not on the flood risk listSG5 3SW: not on the flood risk listSG5 3SZ: not on the flood risk listSG5 3TE: not on the flood risk listSG5 3TG: not on the flood risk listSG5 3TH: not on the flood risk listSG5 3TJ: not on the flood risk listSG5 3TN: not on the flood risk listSG5 3TP: not on the flood risk listSG5 3TR: not on the flood risk listSG5 3TS: not on the flood risk listSG5 3TT: not on the flood risk listSG5 3TU: not on the flood risk listSG5 3UA: not on the flood risk listSG5 3UB: not on the flood risk listSG5 3UE: not on the flood risk listSG5 3UF: not on the flood risk listSG5 3UN: not on the flood risk listSG5 3UR: not on the flood risk listSG5 3UT: not on the flood risk listSG5 3UU: not on the flood risk listSG5 3UW: not on the flood risk listSG5 3UZ: not on the flood risk listSG5 3XB: not on the flood risk listSG5 3XD: not on the flood risk listSG5 3XH: not on the flood risk listSG5 3XJ: not on the flood risk listSG5 3XL: not on the flood risk listSG5 3XN: not on the flood risk listSG5 3XP: not on the flood risk listSG5 3XR: not on the flood risk listSG5 3XS: not on the flood risk listSG5 3XT: not on the flood risk listSG5 3XU: not on the flood risk listSG5 3XW: not on the flood risk listSG5 3XX: not on the flood risk listSG5 3XY: not on the flood risk listSG5 3XZ: not on the flood risk listSG5 3YA: not on the flood risk listSG5 3YD: not on the flood risk listSG5 3YE: not on the flood risk listSG5 3YF: not on the flood risk listSG5 3YG: not on the flood risk listSG5 3YH: not on the flood risk listSG5 3YJ: not on the flood risk listSG5 3YL: not on the flood risk listSG5 3YR: not on the flood risk listSG5 3UD: low flood risk at worstSG5 3NU: low flood risk at worstSG5 3RX: low flood risk at worstSG5 3SE: low flood risk at worstSG5 3TQ: low flood risk at worstSG5 3TW: low flood risk at worstSG5 3TZ: low flood risk at worstSG5 3NY: medium flood risk at worstSG5 3PE: medium flood risk at worstSG5 3UP: medium flood risk at worstSG5 3HN: high flood riskSG5 3XG: high flood risk HitchinLower StondonIckleford Map of every postcode in the SG5 3 sector, by flood risk Of the 270 postcodes in the SG5 3 sector that ONS places, 2 have a home or business at high risk, 3 are at medium risk at worst, 7 are at low risk at worst and 258 are not on the Environment Agency's at-risk list. Places named: Hitchin, Lower Stondon, Ickleford. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. HitchinLower StondonIckleford
  • A home or business at high risk: 2
  • At medium risk at worst: 3
  • At low risk at worst: 7
  • At very low risk only: 0
  • Not on the at-risk list: 258

Of the 270 postcodes in the SG5 3 sector that ONS places, 2 have a home or business at high risk, 3 are at medium risk at worst, 7 are at low risk at worst and 258 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.

SG5 3HN1 at high riskSG5 3XG1 at high risk

What do homes sell for in SG5 3?

Homes in SG5 3 sold for a typical £480,000 in the 12 months to August 2026, across 75 sales, down 16.5% on the 12 months before, HM Land Registry's figures show.

£480,000 typical price, the 12 months to August 2026
£575,000 12 months to August 2025
▼ down 16.5% on the 12 months before
  • Detached £750,000 29 sales
  • Semi-detached £517,500 16 sales
  • Terraced £368,500 22 sales
  • Flat or maisonette £240,000 8 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 SG5 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 SG5 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.

SG5 3AASG5 3ABSG5 3ADSG5 3AESG5 3AGSG5 3AHSG5 3AJSG5 3ALSG5 3ANSG5 3APSG5 3ARSG5 3ASSG5 3ATSG5 3AUSG5 3AWSG5 3AXSG5 3AZSG5 3BGSG5 3BHSG5 3BJSG5 3BLSG5 3BNSG5 3BPSG5 3BQSG5 3BSSG5 3BTSG5 3BUSG5 3BXSG5 3BYSG5 3BZSG5 3DASG5 3DBSG5 3DESG5 3DFSG5 3DGSG5 3DHSG5 3DJSG5 3DLSG5 3DNSG5 3DPSG5 3DQSG5 3DRSG5 3DTSG5 3DUSG5 3DWSG5 3DXSG5 3DYSG5 3DZSG5 3EASG5 3EBSG5 3EDSG5 3EESG5 3EFSG5 3EGSG5 3EHSG5 3EJSG5 3ELSG5 3ENSG5 3EPSG5 3EQSG5 3ERSG5 3ESSG5 3ETSG5 3EUSG5 3EWSG5 3EXSG5 3EYSG5 3EZSG5 3FASG5 3FESG5 3FHSG5 3FJSG5 3FLSG5 3FNSG5 3FPSG5 3FRSG5 3FSSG5 3FTSG5 3FUSG5 3FWSG5 3FXSG5 3FYSG5 3GGSG5 3HBSG5 3HDSG5 3HESG5 3HGSG5 3HHSG5 3HJSG5 3HLSG5 3HNSG5 3HPSG5 3HQSG5 3HRSG5 3HSSG5 3HTSG5 3HXSG5 3HZSG5 3JASG5 3JBSG5 3JDSG5 3JESG5 3JFSG5 3JGSG5 3JHSG5 3JJSG5 3JLSG5 3JNSG5 3JPSG5 3JRSG5 3JSSG5 3JTSG5 3JUSG5 3JXSG5 3JZSG5 3LASG5 3LBSG5 3LDSG5 3LESG5 3LHSG5 3LJSG5 3LLSG5 3LNSG5 3LPSG5 3LQSG5 3LRSG5 3LSSG5 3LTSG5 3LUSG5 3LWSG5 3LXSG5 3LYSG5 3LZSG5 3NASG5 3NBSG5 3NDSG5 3NESG5 3NHSG5 3NJSG5 3NLSG5 3NNSG5 3NPSG5 3NRSG5 3NSSG5 3NTSG5 3NUSG5 3NXSG5 3NYSG5 3NZSG5 3PASG5 3PBSG5 3PDSG5 3PESG5 3PFSG5 3PGSG5 3PHSG5 3PJSG5 3PLSG5 3PNSG5 3PRSG5 3PSSG5 3PTSG5 3PUSG5 3PXSG5 3PZSG5 3QASG5 3QBSG5 3QDSG5 3QESG5 3QFSG5 3QGSG5 3QHSG5 3QJSG5 3QLSG5 3QNSG5 3QPSG5 3QQSG5 3QRSG5 3QSSG5 3QTSG5 3QUSG5 3QWSG5 3QXSG5 3QYSG5 3QZSG5 3RASG5 3RBSG5 3RDSG5 3RESG5 3RGSG5 3RNSG5 3RPSG5 3RRSG5 3RSSG5 3RTSG5 3RUSG5 3RXSG5 3RZSG5 3SBSG5 3SDSG5 3SESG5 3SGSG5 3SHSG5 3SJSG5 3SLSG5 3SNSG5 3SPSG5 3SQSG5 3SRSG5 3SSSG5 3STSG5 3SUSG5 3SWSG5 3SZSG5 3TDSG5 3TESG5 3TGSG5 3THSG5 3TJSG5 3TLSG5 3TNSG5 3TPSG5 3TQSG5 3TRSG5 3TSSG5 3TTSG5 3TUSG5 3TWSG5 3TZSG5 3UASG5 3UBSG5 3UDSG5 3UESG5 3UFSG5 3UNSG5 3UPSG5 3URSG5 3UTSG5 3UUSG5 3UWSG5 3UXSG5 3UZSG5 3XASG5 3XBSG5 3XDSG5 3XESG5 3XGSG5 3XHSG5 3XJSG5 3XLSG5 3XNSG5 3XPSG5 3XRSG5 3XSSG5 3XTSG5 3XUSG5 3XWSG5 3XXSG5 3XYSG5 3XZSG5 3YASG5 3YBSG5 3YDSG5 3YESG5 3YFSG5 3YGSG5 3YHSG5 3YJSG5 3YLSG5 3YR

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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