SG18 0 postcode sector in the SG18 district

SG18 0 is a sector of the SG18 district: every postcode that starts SG18 0. It has 194 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 SG18 0 sector, by flood risk

Map of every postcode in the SG18 0 sector, by flood risk Of the 194 postcodes in the SG18 0 sector that ONS places, 2 have a home or business at high risk, 3 are at medium risk at worst, 3 are at low risk at worst and 186 are not on the Environment Agency's at-risk list. Places named: Biggleswade. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. SG18 0AA: not on the flood risk listSG18 0AD: not on the flood risk listSG18 0AF: not on the flood risk listSG18 0AH: not on the flood risk listSG18 0AJ: not on the flood risk listSG18 0AL: not on the flood risk listSG18 0AP: not on the flood risk listSG18 0AQ: not on the flood risk listSG18 0AR: not on the flood risk listSG18 0AS: not on the flood risk listSG18 0AT: not on the flood risk listSG18 0AU: not on the flood risk listSG18 0AY: not on the flood risk listSG18 0AZ: not on the flood risk listSG18 0BA: not on the flood risk listSG18 0BF: not on the flood risk listSG18 0BG: not on the flood risk listSG18 0BH: not on the flood risk listSG18 0BL: not on the flood risk listSG18 0BN: not on the flood risk listSG18 0BP: not on the flood risk listSG18 0BQ: not on the flood risk listSG18 0BS: not on the flood risk listSG18 0BT: not on the flood risk listSG18 0BU: not on the flood risk listSG18 0BW: not on the flood risk listSG18 0BX: not on the flood risk listSG18 0BY: not on the flood risk listSG18 0BZ: not on the flood risk listSG18 0DA: not on the flood risk listSG18 0DB: not on the flood risk listSG18 0DD: not on the flood risk listSG18 0DE: not on the flood risk listSG18 0DF: not on the flood risk listSG18 0DG: not on the flood risk listSG18 0DH: not on the flood risk listSG18 0DJ: not on the flood risk listSG18 0DL: not on the flood risk listSG18 0DN: not on the flood risk listSG18 0DQ: not on the flood risk listSG18 0DR: not on the flood risk listSG18 0DS: not on the flood risk listSG18 0DT: not on the flood risk listSG18 0DU: not on the flood risk listSG18 0DW: not on the flood risk listSG18 0DX: not on the flood risk listSG18 0DY: not on the flood risk listSG18 0DZ: not on the flood risk listSG18 0EA: not on the flood risk listSG18 0EB: not on the flood risk listSG18 0ED: not on the flood risk listSG18 0EE: not on the flood risk listSG18 0EF: not on the flood risk listSG18 0EG: not on the flood risk listSG18 0EH: not on the flood risk listSG18 0EJ: not on the flood risk listSG18 0EL: not on the flood risk listSG18 0EN: not on the flood risk listSG18 0EQ: not on the flood risk listSG18 0ER: not on the flood risk listSG18 0ES: not on the flood risk listSG18 0ET: not on the flood risk listSG18 0EU: not on the flood risk listSG18 0EW: not on the flood risk listSG18 0EX: not on the flood risk listSG18 0EY: not on the flood risk listSG18 0EZ: not on the flood risk listSG18 0FB: not on the flood risk listSG18 0FD: not on the flood risk listSG18 0FE: not on the flood risk listSG18 0FF: not on the flood risk listSG18 0FG: not on the flood risk listSG18 0FH: not on the flood risk listSG18 0FJ: not on the flood risk listSG18 0FL: not on the flood risk listSG18 0FN: not on the flood risk listSG18 0FP: not on the flood risk listSG18 0FQ: not on the flood risk listSG18 0FR: not on the flood risk listSG18 0FS: not on the flood risk listSG18 0FU: not on the flood risk listSG18 0FW: not on the flood risk listSG18 0GX: not on the flood risk listSG18 0GY: not on the flood risk listSG18 0GZ: not on the flood risk listSG18 0HA: not on the flood risk listSG18 0HB: not on the flood risk listSG18 0HD: not on the flood risk listSG18 0HE: not on the flood risk listSG18 0HF: not on the flood risk listSG18 0HG: not on the flood risk listSG18 0HH: not on the flood risk listSG18 0HJ: not on the flood risk listSG18 0HL: not on the flood risk listSG18 0HN: not on the flood risk listSG18 0HP: not on the flood risk listSG18 0HQ: not on the flood risk listSG18 0HR: not on the flood risk listSG18 0HS: not on the flood risk listSG18 0HT: not on the flood risk listSG18 0HU: not on the flood risk listSG18 0HW: not on the flood risk listSG18 0HX: not on the flood risk listSG18 0HY: not on the flood risk listSG18 0JA: not on the flood risk listSG18 0JD: not on the flood risk listSG18 0JE: not on the flood risk listSG18 0JH: not on the flood risk listSG18 0JJ: not on the flood risk listSG18 0JL: not on the flood risk listSG18 0JN: not on the flood risk listSG18 0JQ: not on the flood risk listSG18 0JS: not on the flood risk listSG18 0JT: not on the flood risk listSG18 0JU: not on the flood risk listSG18 0JW: not on the flood risk listSG18 0JY: not on the flood risk listSG18 0JZ: not on the flood risk listSG18 0LA: not on the flood risk listSG18 0LB: not on the flood risk listSG18 0LD: not on the flood risk listSG18 0LF: not on the flood risk listSG18 0LG: not on the flood risk listSG18 0LJ: not on the flood risk listSG18 0LL: not on the flood risk listSG18 0LN: not on the flood risk listSG18 0LP: not on the flood risk listSG18 0LQ: not on the flood risk listSG18 0LR: not on the flood risk listSG18 0LS: not on the flood risk listSG18 0LT: not on the flood risk listSG18 0LU: not on the flood risk listSG18 0LW: not on the flood risk listSG18 0LX: not on the flood risk listSG18 0LY: not on the flood risk listSG18 0NB: not on the flood risk listSG18 0ND: not on the flood risk listSG18 0NE: not on the flood risk listSG18 0NF: not on the flood risk listSG18 0NH: not on the flood risk listSG18 0NJ: not on the flood risk listSG18 0NL: not on the flood risk listSG18 0NN: not on the flood risk listSG18 0NQ: not on the flood risk listSG18 0NR: not on the flood risk listSG18 0NS: not on the flood risk listSG18 0NT: not on the flood risk listSG18 0NU: not on the flood risk listSG18 0NW: not on the flood risk listSG18 0NX: not on the flood risk listSG18 0NY: not on the flood risk listSG18 0NZ: not on the flood risk listSG18 0PA: not on the flood risk listSG18 0PB: not on the flood risk listSG18 0PD: not on the flood risk listSG18 0PE: not on the flood risk listSG18 0PF: not on the flood risk listSG18 0PG: not on the flood risk listSG18 0PH: not on the flood risk listSG18 0PJ: not on the flood risk listSG18 0PL: not on the flood risk listSG18 0PN: not on the flood risk listSG18 0PP: not on the flood risk listSG18 0PQ: not on the flood risk listSG18 0PR: not on the flood risk listSG18 0PS: not on the flood risk listSG18 0PT: not on the flood risk listSG18 0PU: not on the flood risk listSG18 0PX: not on the flood risk listSG18 0PY: not on the flood risk listSG18 0PZ: not on the flood risk listSG18 0QA: not on the flood risk listSG18 0QD: not on the flood risk listSG18 0QE: not on the flood risk listSG18 0QF: not on the flood risk listSG18 0QG: not on the flood risk listSG18 0QJ: not on the flood risk listSG18 0QL: not on the flood risk listSG18 0RA: not on the flood risk listSG18 0RB: not on the flood risk listSG18 0RD: not on the flood risk listSG18 0RE: not on the flood risk listSG18 0RF: not on the flood risk listSG18 0RG: not on the flood risk listSG18 0RQ: not on the flood risk listSG18 0RU: not on the flood risk listSG18 0AE: low flood risk at worstSG18 0AN: low flood risk at worstSG18 0BB: low flood risk at worstSG18 0AB: medium flood risk at worstSG18 0AW: medium flood risk at worstSG18 0NA: medium flood risk at worstSG18 0AG: high flood riskSG18 0EP: high flood risk Biggleswade Map of every postcode in the SG18 0 sector, by flood risk Of the 194 postcodes in the SG18 0 sector that ONS places, 2 have a home or business at high risk, 3 are at medium risk at worst, 3 are at low risk at worst and 186 are not on the Environment Agency's at-risk list. Places named: Biggleswade. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. Biggleswade
  • A home or business at high risk: 2
  • At medium risk at worst: 3
  • At low risk at worst: 3
  • At very low risk only: 0
  • Not on the at-risk list: 186

Of the 194 postcodes in the SG18 0 sector that ONS places, 2 have a home or business at high risk, 3 are at medium risk at worst, 3 are at low risk at worst and 186 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.

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.

SG18 0EP3 at high riskSG18 0AG1 at high risk

What do homes sell for in SG18 0?

Homes in SG18 0 sold for a typical £335,500 in the 12 months to August 2026, across 108 sales, down 2% on the 12 months before, HM Land Registry's figures show.

£335,500 typical price, the 12 months to August 2026
£342,500 12 months to August 2025
▼ down 2% on the 12 months before
  • Detached £491,500 20 sales
  • Semi-detached £370,000 35 sales
  • Terraced £290,000 31 sales
  • Flat or maisonette £180,000 22 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 SG18 0. 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 SG18 0

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.

SG18 0AASG18 0ABSG18 0ADSG18 0AESG18 0AFSG18 0AGSG18 0AHSG18 0AJSG18 0ALSG18 0ANSG18 0APSG18 0AQSG18 0ARSG18 0ASSG18 0ATSG18 0AUSG18 0AWSG18 0AYSG18 0AZSG18 0BASG18 0BBSG18 0BFSG18 0BGSG18 0BHSG18 0BLSG18 0BNSG18 0BPSG18 0BQSG18 0BSSG18 0BTSG18 0BUSG18 0BWSG18 0BXSG18 0BYSG18 0BZSG18 0DASG18 0DBSG18 0DDSG18 0DESG18 0DFSG18 0DGSG18 0DHSG18 0DJSG18 0DLSG18 0DNSG18 0DQSG18 0DRSG18 0DSSG18 0DTSG18 0DUSG18 0DWSG18 0DXSG18 0DYSG18 0DZSG18 0EASG18 0EBSG18 0EDSG18 0EESG18 0EFSG18 0EGSG18 0EHSG18 0EJSG18 0ELSG18 0ENSG18 0EPSG18 0EQSG18 0ERSG18 0ESSG18 0ETSG18 0EUSG18 0EWSG18 0EXSG18 0EYSG18 0EZSG18 0FBSG18 0FDSG18 0FESG18 0FFSG18 0FGSG18 0FHSG18 0FJSG18 0FLSG18 0FNSG18 0FPSG18 0FQSG18 0FRSG18 0FSSG18 0FUSG18 0FWSG18 0GXSG18 0GYSG18 0GZSG18 0HASG18 0HBSG18 0HDSG18 0HESG18 0HFSG18 0HGSG18 0HHSG18 0HJSG18 0HLSG18 0HNSG18 0HPSG18 0HQSG18 0HRSG18 0HSSG18 0HTSG18 0HUSG18 0HWSG18 0HXSG18 0HYSG18 0JASG18 0JDSG18 0JESG18 0JHSG18 0JJSG18 0JLSG18 0JNSG18 0JQSG18 0JSSG18 0JTSG18 0JUSG18 0JWSG18 0JYSG18 0JZSG18 0LASG18 0LBSG18 0LDSG18 0LFSG18 0LGSG18 0LJSG18 0LLSG18 0LNSG18 0LPSG18 0LQSG18 0LRSG18 0LSSG18 0LTSG18 0LUSG18 0LWSG18 0LXSG18 0LYSG18 0NASG18 0NBSG18 0NDSG18 0NESG18 0NFSG18 0NHSG18 0NJSG18 0NLSG18 0NNSG18 0NQSG18 0NRSG18 0NSSG18 0NTSG18 0NUSG18 0NWSG18 0NXSG18 0NYSG18 0NZSG18 0PASG18 0PBSG18 0PDSG18 0PESG18 0PFSG18 0PGSG18 0PHSG18 0PJSG18 0PLSG18 0PNSG18 0PPSG18 0PQSG18 0PRSG18 0PSSG18 0PTSG18 0PUSG18 0PXSG18 0PYSG18 0PZSG18 0QASG18 0QDSG18 0QESG18 0QFSG18 0QGSG18 0QJSG18 0QLSG18 0RASG18 0RBSG18 0RDSG18 0RESG18 0RFSG18 0RGSG18 0RQSG18 0RU

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.

Check a postcode

Something wrong on this page? Report an error and we will check it against the source.