SG11 1 postcode sector in the SG11 district

SG11 1 is a sector of the SG11 district: every postcode that starts SG11 1. It has 209 postcodes in use, one of them a large-user postcode. 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 SG11 1 sector, by flood risk

Map of every postcode in the SG11 1 sector, by flood risk Of the 209 postcodes in the SG11 1 sector that ONS places, 14 have a home or business at high risk, 5 are at medium risk at worst, 19 are at low risk at worst, 6 are at very low risk only and 165 are not on the Environment Agency's at-risk list. Places named: Puckeridge and Standon. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A10 SG11 1AA: not on the flood risk listSG11 1AB: not on the flood risk listSG11 1AE: not on the flood risk listSG11 1AH: not on the flood risk listSG11 1AJ: not on the flood risk listSG11 1AN: not on the flood risk listSG11 1AP: not on the flood risk listSG11 1AR: not on the flood risk listSG11 1AT: not on the flood risk listSG11 1AU: not on the flood risk listSG11 1AY: not on the flood risk listSG11 1BA: not on the flood risk listSG11 1BB: not on the flood risk listSG11 1BD: not on the flood risk listSG11 1BE: not on the flood risk listSG11 1BG: not on the flood risk listSG11 1BJ: not on the flood risk listSG11 1BL: not on the flood risk listSG11 1BN: not on the flood risk listSG11 1BP: not on the flood risk listSG11 1BQ: not on the flood risk listSG11 1BS: not on the flood risk listSG11 1BT: not on the flood risk listSG11 1BU: not on the flood risk listSG11 1BW: not on the flood risk listSG11 1BY: not on the flood risk listSG11 1DD: not on the flood risk listSG11 1DE: not on the flood risk listSG11 1DF: not on the flood risk listSG11 1DJ: not on the flood risk listSG11 1DL: not on the flood risk listSG11 1DN: not on the flood risk listSG11 1DQ: not on the flood risk listSG11 1DS: not on the flood risk listSG11 1DT: not on the flood risk listSG11 1DU: not on the flood risk listSG11 1DX: not on the flood risk listSG11 1DY: not on the flood risk listSG11 1DZ: not on the flood risk listSG11 1EA: not on the flood risk listSG11 1EE: not on the flood risk listSG11 1EF: not on the flood risk listSG11 1EG: not on the flood risk listSG11 1EL: not on the flood risk listSG11 1EN: not on the flood risk listSG11 1EP: not on the flood risk listSG11 1EQ: not on the flood risk listSG11 1ER: not on the flood risk listSG11 1ES: not on the flood risk listSG11 1ET: not on the flood risk listSG11 1EX: not on the flood risk listSG11 1EY: not on the flood risk listSG11 1EZ: not on the flood risk listSG11 1FA: not on the flood risk listSG11 1FB: not on the flood risk listSG11 1FD: not on the flood risk listSG11 1FE: not on the flood risk listSG11 1FG: not on the flood risk listSG11 1HA: not on the flood risk listSG11 1HB: not on the flood risk listSG11 1HD: not on the flood risk listSG11 1HE: not on the flood risk listSG11 1HG: not on the flood risk listSG11 1HH: not on the flood risk listSG11 1HL: not on the flood risk listSG11 1HN: not on the flood risk listSG11 1HQ: not on the flood risk listSG11 1HS: not on the flood risk listSG11 1HT: not on the flood risk listSG11 1HU: not on the flood risk listSG11 1HW: not on the flood risk listSG11 1JD: not on the flood risk listSG11 1JE: not on the flood risk listSG11 1JF: not on the flood risk listSG11 1JG: not on the flood risk listSG11 1JH: not on the flood risk listSG11 1JN: not on the flood risk listSG11 1JP: not on the flood risk listSG11 1JQ: not on the flood risk listSG11 1JR: not on the flood risk listSG11 1JS: not on the flood risk listSG11 1JW: not on the flood risk listSG11 1LF: not on the flood risk listSG11 1LG: not on the flood risk listSG11 1LH: not on the flood risk listSG11 1LJ: not on the flood risk listSG11 1LT: not on the flood risk listSG11 1LX: not on the flood risk listSG11 1LY: not on the flood risk listSG11 1LZ: not on the flood risk listSG11 1NA: not on the flood risk listSG11 1ND: not on the flood risk listSG11 1NG: not on the flood risk listSG11 1NH: not on the flood risk listSG11 1NJ: not on the flood risk listSG11 1NL: not on the flood risk listSG11 1NN: not on the flood risk listSG11 1NP: not on the flood risk listSG11 1NQ: not on the flood risk listSG11 1NR: not on the flood risk listSG11 1NS: not on the flood risk listSG11 1NT: not on the flood risk listSG11 1NW: not on the flood risk listSG11 1NX: not on the flood risk listSG11 1NY: not on the flood risk listSG11 1PG: not on the flood risk listSG11 1PN: not on the flood risk listSG11 1PS: not on the flood risk listSG11 1PU: not on the flood risk listSG11 1PW: not on the flood risk listSG11 1PX: not on the flood risk listSG11 1PY: not on the flood risk listSG11 1PZ: not on the flood risk listSG11 1QD: not on the flood risk listSG11 1QE: not on the flood risk listSG11 1QF: not on the flood risk listSG11 1QG: not on the flood risk listSG11 1QH: not on the flood risk listSG11 1QN: not on the flood risk listSG11 1QP: not on the flood risk listSG11 1QQ: not on the flood risk listSG11 1QY: not on the flood risk listSG11 1RA: not on the flood risk listSG11 1RB: not on the flood risk listSG11 1RD: not on the flood risk listSG11 1RE: not on the flood risk listSG11 1RH: not on the flood risk listSG11 1RR: not on the flood risk listSG11 1RT: not on the flood risk listSG11 1RU: not on the flood risk listSG11 1RX: not on the flood risk listSG11 1RY: not on the flood risk listSG11 1RZ: not on the flood risk listSG11 1SR: not on the flood risk listSG11 1SS: not on the flood risk listSG11 1SU: not on the flood risk listSG11 1SX: not on the flood risk listSG11 1SY: not on the flood risk listSG11 1SZ: not on the flood risk listSG11 1TA: not on the flood risk listSG11 1TG: not on the flood risk listSG11 1TH: not on the flood risk listSG11 1TJ: not on the flood risk listSG11 1TP: not on the flood risk listSG11 1TQ: not on the flood risk listSG11 1TW: not on the flood risk listSG11 1UP: not on the flood risk listSG11 1UR: not on the flood risk listSG11 1US: not on the flood risk listSG11 1UT: not on the flood risk listSG11 1UU: not on the flood risk listSG11 1PT: very low flood risk onlySG11 1QJ: very low flood risk onlySG11 1QR: very low flood risk onlySG11 1QS: very low flood risk onlySG11 1XD: very low flood risk onlySG11 1AQ: low flood risk at worstSG11 1EB: low flood risk at worstSG11 1HP: low flood risk at worstSG11 1LA: low flood risk at worstSG11 1LL: low flood risk at worstSG11 1LW: low flood risk at worstSG11 1QT: low flood risk at worstSG11 1RN: low flood risk at worstSG11 1SA: low flood risk at worstSG11 1SB: low flood risk at worstSG11 1SG: low flood risk at worstSG11 1SJ: low flood risk at worstSG11 1SW: low flood risk at worstSG11 1TE: low flood risk at worstSG11 1TF: low flood risk at worstSG11 1BX: medium flood risk at worstSG11 1PJ: medium flood risk at worstSG11 1QZ: medium flood risk at worstSG11 1SN: medium flood risk at worstSG11 1TD: medium flood risk at worstSG11 1AL: high flood riskSG11 1BH: high flood riskSG11 1DA: high flood riskSG11 1DB: high flood riskSG11 1EH: high flood riskSG11 1LB: high flood riskSG11 1LD: high flood riskSG11 1LE: high flood riskSG11 1LR: high flood riskSG11 1PH: high flood riskSG11 1PR: high flood riskSG11 1QX: high flood riskSG11 1SH: high flood riskSG11 1SP: high flood risk Puckeridge and Standon Map of every postcode in the SG11 1 sector, by flood risk Of the 209 postcodes in the SG11 1 sector that ONS places, 14 have a home or business at high risk, 5 are at medium risk at worst, 19 are at low risk at worst, 6 are at very low risk only and 165 are not on the Environment Agency's at-risk list. Places named: Puckeridge and Standon. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. Puckeridge and Standon
  • A home or business at high risk: 14
  • At medium risk at worst: 5
  • At low risk at worst: 19
  • At very low risk only: 6
  • Not on the at-risk list: 165

Of the 209 postcodes in the SG11 1 sector that ONS places, 14 have a home or business at high risk, 5 are at medium risk at worst, 19 are at low risk at worst, 6 are at very low risk only and 165 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

14 postcodes here have a home or business at high risk. These are the 12 with the most homes and businesses at that risk.

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

SG11 1LR15 at high riskSG11 1AL7 at high riskSG11 1BH7 at high riskSG11 1LB5 at high riskSG11 1LD5 at high riskSG11 1SP3 at high riskSG11 1LE3 at high riskSG11 1QX2 at high riskSG11 1DA2 at high riskSG11 1PH1 at high riskSG11 1DB1 at high riskSG11 1EH1 at high risk

What do homes sell for in SG11 1?

Homes in SG11 1 sold for a typical £439,000 in the 12 months to August 2026, across 61 sales, down 1.9% on the 12 months before, HM Land Registry's figures show.

£439,000 typical price, the 12 months to August 2026
£447,500 12 months to August 2025
▼ down 1.9% on the 12 months before
  • Detached £600,000 13 sales
  • Semi-detached £460,000 19 sales
  • Terraced £380,000 23 sales
  • Flat or maisonette £213,725 6 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 SG11 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 SG11 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.

SG11 1AASG11 1ABSG11 1ADSG11 1AESG11 1AFSG11 1AHSG11 1AJSG11 1ALSG11 1ANSG11 1APSG11 1AQSG11 1ARSG11 1ATSG11 1AUSG11 1AWSG11 1AXSG11 1AYSG11 1AZSG11 1BASG11 1BBSG11 1BDSG11 1BESG11 1BGSG11 1BHSG11 1BJSG11 1BLSG11 1BNSG11 1BPSG11 1BQSG11 1BSSG11 1BTSG11 1BUSG11 1BWSG11 1BXSG11 1BYSG11 1DASG11 1DBSG11 1DDSG11 1DESG11 1DFSG11 1DGSG11 1DJSG11 1DLSG11 1DNSG11 1DQSG11 1DSSG11 1DTSG11 1DUSG11 1DXSG11 1DYSG11 1DZSG11 1EASG11 1EBSG11 1EDSG11 1EESG11 1EFSG11 1EGSG11 1EHSG11 1EJSG11 1ELSG11 1ENSG11 1EPSG11 1EQSG11 1ERSG11 1ESSG11 1ETSG11 1EXSG11 1EYSG11 1EZSG11 1FASG11 1FBSG11 1FDSG11 1FESG11 1FFSG11 1FGSG11 1HASG11 1HBSG11 1HDSG11 1HESG11 1HGSG11 1HHSG11 1HLSG11 1HNSG11 1HPSG11 1HQSG11 1HSSG11 1HTSG11 1HUSG11 1HWSG11 1JDSG11 1JESG11 1JFSG11 1JGSG11 1JHSG11 1JNSG11 1JPSG11 1JQSG11 1JRSG11 1JSSG11 1JWSG11 1LASG11 1LBSG11 1LDSG11 1LESG11 1LFSG11 1LGSG11 1LHSG11 1LJSG11 1LLSG11 1LNSG11 1LPSG11 1LQSG11 1LRSG11 1LTSG11 1LWSG11 1LXSG11 1LYSG11 1LZSG11 1NASG11 1NDSG11 1NGSG11 1NHSG11 1NJSG11 1NLSG11 1NNSG11 1NPSG11 1NQSG11 1NRSG11 1NSSG11 1NTSG11 1NWSG11 1NXSG11 1NYSG11 1PGSG11 1PHSG11 1PJSG11 1PNSG11 1PRSG11 1PSSG11 1PTSG11 1PUSG11 1PWSG11 1PXSG11 1PYSG11 1PZSG11 1QDSG11 1QESG11 1QFSG11 1QGSG11 1QHSG11 1QJSG11 1QNSG11 1QPSG11 1QQSG11 1QRSG11 1QSSG11 1QTSG11 1QWSG11 1QXSG11 1QYSG11 1QZSG11 1RASG11 1RBSG11 1RDSG11 1RESG11 1RHSG11 1RLSG11 1RNSG11 1RRSG11 1RSSG11 1RTSG11 1RUSG11 1RXSG11 1RYSG11 1RZSG11 1SASG11 1SBSG11 1SGSG11 1SHSG11 1SJSG11 1SNSG11 1SPSG11 1SQSG11 1SRSG11 1SSSG11 1STSG11 1SUSG11 1SWSG11 1SXSG11 1SYSG11 1SZSG11 1TASG11 1TDSG11 1TESG11 1TFSG11 1TGSG11 1THSG11 1TJSG11 1TNSG11 1TPSG11 1TQSG11 1TWSG11 1UPSG11 1URSG11 1USSG11 1UTSG11 1UUSG11 1UXSG11 1XD

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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