SN4 8 postcode sector in the SN4 district

SN4 8 is a sector of the SN4 district: every postcode that starts SN4 8. It has 201 postcodes in use, 22 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 SN4 8 sector, by flood risk

Map of every postcode in the SN4 8 sector, by flood risk Of the 201 postcodes in the SN4 8 sector that ONS places, 1 are at low risk at worst and 200 are not on the Environment Agency's at-risk list. Places named: Royal Wootton Bassett. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. M4 SN4 8AA: not on the flood risk listSN4 8AB: not on the flood risk listSN4 8AD: not on the flood risk listSN4 8AE: not on the flood risk listSN4 8AF: not on the flood risk listSN4 8AG: not on the flood risk listSN4 8AH: not on the flood risk listSN4 8AJ: not on the flood risk listSN4 8AL: not on the flood risk listSN4 8AN: not on the flood risk listSN4 8AP: not on the flood risk listSN4 8AQ: not on the flood risk listSN4 8AR: not on the flood risk listSN4 8AS: not on the flood risk listSN4 8AT: not on the flood risk listSN4 8AU: not on the flood risk listSN4 8AW: not on the flood risk listSN4 8AX: not on the flood risk listSN4 8AY: not on the flood risk listSN4 8AZ: not on the flood risk listSN4 8BA: not on the flood risk listSN4 8BB: not on the flood risk listSN4 8BD: not on the flood risk listSN4 8BE: not on the flood risk listSN4 8BH: not on the flood risk listSN4 8BJ: not on the flood risk listSN4 8BL: not on the flood risk listSN4 8BN: not on the flood risk listSN4 8BP: not on the flood risk listSN4 8BQ: not on the flood risk listSN4 8BS: not on the flood risk listSN4 8BT: not on the flood risk listSN4 8BU: not on the flood risk listSN4 8BW: not on the flood risk listSN4 8BX: not on the flood risk listSN4 8BY: not on the flood risk listSN4 8BZ: not on the flood risk listSN4 8DA: not on the flood risk listSN4 8DB: not on the flood risk listSN4 8DD: not on the flood risk listSN4 8DE: not on the flood risk listSN4 8DF: not on the flood risk listSN4 8DG: not on the flood risk listSN4 8DH: not on the flood risk listSN4 8DJ: not on the flood risk listSN4 8DL: not on the flood risk listSN4 8DN: not on the flood risk listSN4 8DP: not on the flood risk listSN4 8DQ: not on the flood risk listSN4 8DR: not on the flood risk listSN4 8DS: not on the flood risk listSN4 8DT: not on the flood risk listSN4 8DU: not on the flood risk listSN4 8DW: not on the flood risk listSN4 8DX: not on the flood risk listSN4 8DY: not on the flood risk listSN4 8DZ: not on the flood risk listSN4 8EA: not on the flood risk listSN4 8EB: not on the flood risk listSN4 8ED: not on the flood risk listSN4 8EE: not on the flood risk listSN4 8EF: not on the flood risk listSN4 8EG: not on the flood risk listSN4 8EH: not on the flood risk listSN4 8EJ: not on the flood risk listSN4 8EL: not on the flood risk listSN4 8EN: not on the flood risk listSN4 8EQ: not on the flood risk listSN4 8ER: not on the flood risk listSN4 8ES: not on the flood risk listSN4 8ET: not on the flood risk listSN4 8EU: not on the flood risk listSN4 8EX: not on the flood risk listSN4 8EY: not on the flood risk listSN4 8EZ: not on the flood risk listSN4 8FB: not on the flood risk listSN4 8FD: not on the flood risk listSN4 8FE: not on the flood risk listSN4 8FF: not on the flood risk listSN4 8FG: not on the flood risk listSN4 8FH: not on the flood risk listSN4 8FJ: not on the flood risk listSN4 8FL: not on the flood risk listSN4 8FN: not on the flood risk listSN4 8FP: not on the flood risk listSN4 8FQ: not on the flood risk listSN4 8FR: not on the flood risk listSN4 8FS: not on the flood risk listSN4 8FT: not on the flood risk listSN4 8FU: not on the flood risk listSN4 8FW: not on the flood risk listSN4 8FX: not on the flood risk listSN4 8FY: not on the flood risk listSN4 8GA: not on the flood risk listSN4 8GD: not on the flood risk listSN4 8HA: not on the flood risk listSN4 8HB: not on the flood risk listSN4 8HD: not on the flood risk listSN4 8HE: not on the flood risk listSN4 8HF: not on the flood risk listSN4 8HG: not on the flood risk listSN4 8HH: not on the flood risk listSN4 8HJ: not on the flood risk listSN4 8HL: not on the flood risk listSN4 8HN: not on the flood risk listSN4 8HP: not on the flood risk listSN4 8HQ: not on the flood risk listSN4 8HR: not on the flood risk listSN4 8HS: not on the flood risk listSN4 8HT: not on the flood risk listSN4 8HU: not on the flood risk listSN4 8HW: not on the flood risk listSN4 8HX: not on the flood risk listSN4 8JA: not on the flood risk listSN4 8JB: not on the flood risk listSN4 8JD: not on the flood risk listSN4 8JJ: not on the flood risk listSN4 8JL: not on the flood risk listSN4 8JN: not on the flood risk listSN4 8JP: not on the flood risk listSN4 8JR: not on the flood risk listSN4 8JS: not on the flood risk listSN4 8JT: not on the flood risk listSN4 8JU: not on the flood risk listSN4 8JW: not on the flood risk listSN4 8JX: not on the flood risk listSN4 8JY: not on the flood risk listSN4 8JZ: not on the flood risk listSN4 8LA: not on the flood risk listSN4 8LB: not on the flood risk listSN4 8LD: not on the flood risk listSN4 8LE: not on the flood risk listSN4 8LF: not on the flood risk listSN4 8LG: not on the flood risk listSN4 8LH: not on the flood risk listSN4 8LJ: not on the flood risk listSN4 8LL: not on the flood risk listSN4 8LP: not on the flood risk listSN4 8LQ: not on the flood risk listSN4 8LR: not on the flood risk listSN4 8LS: not on the flood risk listSN4 8LT: not on the flood risk listSN4 8LU: not on the flood risk listSN4 8LW: not on the flood risk listSN4 8LX: not on the flood risk listSN4 8LY: not on the flood risk listSN4 8LZ: not on the flood risk listSN4 8NA: not on the flood risk listSN4 8NB: not on the flood risk listSN4 8ND: not on the flood risk listSN4 8NE: not on the flood risk listSN4 8NF: not on the flood risk listSN4 8NG: not on the flood risk listSN4 8NH: not on the flood risk listSN4 8NJ: not on the flood risk listSN4 8NL: not on the flood risk listSN4 8NQ: not on the flood risk listSN4 8NT: not on the flood risk listSN4 8NU: not on the flood risk listSN4 8PA: not on the flood risk listSN4 8QA: not on the flood risk listSN4 8QB: not on the flood risk listSN4 8QD: not on the flood risk listSN4 8QF: not on the flood risk listSN4 8QG: not on the flood risk listSN4 8QP: not on the flood risk listSN4 8QS: not on the flood risk listSN4 8QT: not on the flood risk listSN4 8QW: not on the flood risk listSN4 8QX: not on the flood risk listSN4 8QY: not on the flood risk listSN4 8QZ: not on the flood risk listSN4 8RA: not on the flood risk listSN4 8RB: not on the flood risk listSN4 8SY: not on the flood risk listSN4 8SZ: not on the flood risk listSN4 8WE: not on the flood risk listSN4 8QR: low flood risk at worst Royal Wootton Bassett Map of every postcode in the SN4 8 sector, by flood risk Of the 201 postcodes in the SN4 8 sector that ONS places, 1 are at low risk at worst and 200 are not on the Environment Agency's at-risk list. Places named: Royal Wootton Bassett. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. Royal Wootton Bassett
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 1
  • At very low risk only: 0
  • Not on the at-risk list: 200

Of the 201 postcodes in the SN4 8 sector that ONS places, 1 are at low risk at worst and 200 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

What do homes sell for in SN4 8?

Homes in SN4 8 sold for a typical £309,500 in the 12 months to August 2026, across 102 sales, up 1.5% on the 12 months before, HM Land Registry's figures show.

£309,500 typical price, the 12 months to August 2026
£305,000 12 months to August 2025
▲ up 1.5% on the 12 months before
  • Detached £390,000 25 sales
  • Semi-detached £310,000 39 sales
  • Terraced £276,000 24 sales
  • Flat or maisonette £129,000 14 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 SN4 8. 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 SN4 8

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.

SN4 8AASN4 8ABSN4 8ADSN4 8AESN4 8AFSN4 8AGSN4 8AHSN4 8AJSN4 8ALSN4 8ANSN4 8APSN4 8AQSN4 8ARSN4 8ASSN4 8ATSN4 8AUSN4 8AWSN4 8AXSN4 8AYSN4 8AZSN4 8BASN4 8BBSN4 8BDSN4 8BESN4 8BFSN4 8BHSN4 8BJSN4 8BLSN4 8BNSN4 8BPSN4 8BQSN4 8BSSN4 8BTSN4 8BUSN4 8BWSN4 8BXSN4 8BYSN4 8BZSN4 8DASN4 8DBSN4 8DDSN4 8DESN4 8DFSN4 8DGSN4 8DHSN4 8DJSN4 8DLSN4 8DNSN4 8DPSN4 8DQSN4 8DRSN4 8DSSN4 8DTSN4 8DUSN4 8DWSN4 8DXSN4 8DYSN4 8DZSN4 8EASN4 8EBSN4 8EDSN4 8EESN4 8EFSN4 8EGSN4 8EHSN4 8EJSN4 8ELSN4 8ENSN4 8EQSN4 8ERSN4 8ESSN4 8ETSN4 8EUSN4 8EXSN4 8EYSN4 8EZSN4 8FBSN4 8FDSN4 8FESN4 8FFSN4 8FGSN4 8FHSN4 8FJSN4 8FLSN4 8FNSN4 8FPSN4 8FQSN4 8FRSN4 8FSSN4 8FTSN4 8FUSN4 8FWSN4 8FXSN4 8FYSN4 8FZSN4 8GASN4 8GDSN4 8HASN4 8HBSN4 8HDSN4 8HESN4 8HFSN4 8HGSN4 8HHSN4 8HJSN4 8HLSN4 8HNSN4 8HPSN4 8HQSN4 8HRSN4 8HSSN4 8HTSN4 8HUSN4 8HWSN4 8HXSN4 8JASN4 8JBSN4 8JDSN4 8JJSN4 8JLSN4 8JNSN4 8JPSN4 8JRSN4 8JSSN4 8JTSN4 8JUSN4 8JWSN4 8JXSN4 8JYSN4 8JZSN4 8LASN4 8LBSN4 8LDSN4 8LESN4 8LFSN4 8LGSN4 8LHSN4 8LJSN4 8LLSN4 8LPSN4 8LQSN4 8LRSN4 8LSSN4 8LTSN4 8LUSN4 8LWSN4 8LXSN4 8LYSN4 8LZSN4 8NASN4 8NBSN4 8NDSN4 8NESN4 8NFSN4 8NGSN4 8NHSN4 8NJSN4 8NLSN4 8NQSN4 8NTSN4 8NUSN4 8PASN4 8QASN4 8QBSN4 8QDSN4 8QFSN4 8QGSN4 8QPSN4 8QRSN4 8QSSN4 8QTSN4 8QUSN4 8QWSN4 8QXSN4 8QYSN4 8QZSN4 8RASN4 8RBSN4 8SYSN4 8SZSN4 8WESN4 8WFSN4 8WGSN4 8WHSN4 8WLSN4 8WNSN4 8WPSN4 8WQSN4 8XDSN4 8XESN4 8XFSN4 8XGSN4 8XHSN4 8XRSN4 8XSSN4 8XTSN4 8XUSN4 8XXSN4 8YBSN4 8YLSN4 8YN

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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