SN4 7 postcode sector in the SN4 district

SN4 7 is a sector of the SN4 district: every postcode that starts SN4 7. It has 193 postcodes in use, 7 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 7 sector, by flood risk

Map of every postcode in the SN4 7 sector, by flood risk Of the 193 postcodes in the SN4 7 sector that ONS places, 1 have a home or business at high risk, 1 are at low risk at worst and 191 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 7AA: not on the flood risk listSN4 7AB: not on the flood risk listSN4 7AF: not on the flood risk listSN4 7AG: not on the flood risk listSN4 7AH: not on the flood risk listSN4 7AJ: not on the flood risk listSN4 7AL: not on the flood risk listSN4 7AN: not on the flood risk listSN4 7AP: not on the flood risk listSN4 7AQ: not on the flood risk listSN4 7AR: not on the flood risk listSN4 7AS: not on the flood risk listSN4 7AT: not on the flood risk listSN4 7AU: not on the flood risk listSN4 7AW: not on the flood risk listSN4 7AX: not on the flood risk listSN4 7AY: not on the flood risk listSN4 7AZ: not on the flood risk listSN4 7BB: not on the flood risk listSN4 7BD: not on the flood risk listSN4 7BE: not on the flood risk listSN4 7BG: not on the flood risk listSN4 7BL: not on the flood risk listSN4 7BP: not on the flood risk listSN4 7BQ: not on the flood risk listSN4 7BS: not on the flood risk listSN4 7BT: not on the flood risk listSN4 7BU: not on the flood risk listSN4 7BW: not on the flood risk listSN4 7BX: not on the flood risk listSN4 7BY: not on the flood risk listSN4 7BZ: not on the flood risk listSN4 7DA: not on the flood risk listSN4 7DB: not on the flood risk listSN4 7DD: not on the flood risk listSN4 7DE: not on the flood risk listSN4 7DF: not on the flood risk listSN4 7DG: not on the flood risk listSN4 7DH: not on the flood risk listSN4 7DJ: not on the flood risk listSN4 7DL: not on the flood risk listSN4 7DN: not on the flood risk listSN4 7DP: not on the flood risk listSN4 7DQ: not on the flood risk listSN4 7DR: not on the flood risk listSN4 7DS: not on the flood risk listSN4 7DT: not on the flood risk listSN4 7DU: not on the flood risk listSN4 7DW: not on the flood risk listSN4 7DX: not on the flood risk listSN4 7DY: not on the flood risk listSN4 7DZ: not on the flood risk listSN4 7EA: not on the flood risk listSN4 7ED: not on the flood risk listSN4 7EE: not on the flood risk listSN4 7EG: not on the flood risk listSN4 7EJ: not on the flood risk listSN4 7EL: not on the flood risk listSN4 7EN: not on the flood risk listSN4 7EQ: not on the flood risk listSN4 7ER: not on the flood risk listSN4 7ES: not on the flood risk listSN4 7ET: not on the flood risk listSN4 7EU: not on the flood risk listSN4 7EW: not on the flood risk listSN4 7EZ: not on the flood risk listSN4 7FE: not on the flood risk listSN4 7FF: not on the flood risk listSN4 7FG: not on the flood risk listSN4 7FH: not on the flood risk listSN4 7FJ: not on the flood risk listSN4 7FL: not on the flood risk listSN4 7FN: not on the flood risk listSN4 7FP: not on the flood risk listSN4 7FQ: not on the flood risk listSN4 7FR: not on the flood risk listSN4 7FS: not on the flood risk listSN4 7FT: not on the flood risk listSN4 7FU: not on the flood risk listSN4 7FW: not on the flood risk listSN4 7FX: not on the flood risk listSN4 7FY: not on the flood risk listSN4 7FZ: not on the flood risk listSN4 7GD: not on the flood risk listSN4 7GE: not on the flood risk listSN4 7GG: not on the flood risk listSN4 7GH: not on the flood risk listSN4 7GL: not on the flood risk listSN4 7GZ: not on the flood risk listSN4 7HA: not on the flood risk listSN4 7HB: not on the flood risk listSN4 7HE: not on the flood risk listSN4 7HF: not on the flood risk listSN4 7HG: not on the flood risk listSN4 7HJ: not on the flood risk listSN4 7HL: not on the flood risk listSN4 7HN: not on the flood risk listSN4 7HP: not on the flood risk listSN4 7HQ: not on the flood risk listSN4 7HR: not on the flood risk listSN4 7HS: not on the flood risk listSN4 7HT: not on the flood risk listSN4 7HU: not on the flood risk listSN4 7HW: not on the flood risk listSN4 7HX: not on the flood risk listSN4 7HY: not on the flood risk listSN4 7HZ: not on the flood risk listSN4 7JA: not on the flood risk listSN4 7JB: not on the flood risk listSN4 7JD: not on the flood risk listSN4 7JE: not on the flood risk listSN4 7JF: not on the flood risk listSN4 7JG: not on the flood risk listSN4 7JH: not on the flood risk listSN4 7JJ: not on the flood risk listSN4 7JL: not on the flood risk listSN4 7JP: not on the flood risk listSN4 7JQ: not on the flood risk listSN4 7JR: not on the flood risk listSN4 7JT: not on the flood risk listSN4 7LB: not on the flood risk listSN4 7LE: not on the flood risk listSN4 7PA: not on the flood risk listSN4 7PB: not on the flood risk listSN4 7PD: not on the flood risk listSN4 7PE: not on the flood risk listSN4 7PF: not on the flood risk listSN4 7PG: not on the flood risk listSN4 7PH: not on the flood risk listSN4 7PJ: not on the flood risk listSN4 7PL: not on the flood risk listSN4 7PN: not on the flood risk listSN4 7PP: not on the flood risk listSN4 7PQ: not on the flood risk listSN4 7PR: not on the flood risk listSN4 7PS: not on the flood risk listSN4 7PT: not on the flood risk listSN4 7PU: not on the flood risk listSN4 7PW: not on the flood risk listSN4 7PX: not on the flood risk listSN4 7PY: not on the flood risk listSN4 7PZ: not on the flood risk listSN4 7QA: not on the flood risk listSN4 7QB: not on the flood risk listSN4 7QD: not on the flood risk listSN4 7QE: not on the flood risk listSN4 7QH: not on the flood risk listSN4 7QJ: not on the flood risk listSN4 7QL: not on the flood risk listSN4 7QN: not on the flood risk listSN4 7QP: not on the flood risk listSN4 7QQ: not on the flood risk listSN4 7QR: not on the flood risk listSN4 7QS: not on the flood risk listSN4 7QU: not on the flood risk listSN4 7QW: not on the flood risk listSN4 7QX: not on the flood risk listSN4 7QY: not on the flood risk listSN4 7QZ: not on the flood risk listSN4 7RA: not on the flood risk listSN4 7RB: not on the flood risk listSN4 7RD: not on the flood risk listSN4 7RE: not on the flood risk listSN4 7RG: not on the flood risk listSN4 7RH: not on the flood risk listSN4 7RJ: not on the flood risk listSN4 7RL: not on the flood risk listSN4 7RN: not on the flood risk listSN4 7RP: not on the flood risk listSN4 7RQ: not on the flood risk listSN4 7RR: not on the flood risk listSN4 7RS: not on the flood risk listSN4 7RT: not on the flood risk listSN4 7RU: not on the flood risk listSN4 7RW: not on the flood risk listSN4 7RY: not on the flood risk listSN4 7RZ: not on the flood risk listSN4 7SB: not on the flood risk listSN4 7SD: not on the flood risk listSN4 7SE: not on the flood risk listSN4 7SH: not on the flood risk listSN4 7SJ: not on the flood risk listSN4 7SP: not on the flood risk listSN4 7SQ: not on the flood risk listSN4 7SR: not on the flood risk listSN4 7TA: not on the flood risk listSN4 7WB: not on the flood risk listSN4 7SA: low flood risk at worstSN4 7RX: high flood risk Royal Wootton Bassett Map of every postcode in the SN4 7 sector, by flood risk Of the 193 postcodes in the SN4 7 sector that ONS places, 1 have a home or business at high risk, 1 are at low risk at worst and 191 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 Royal Wootton Bassett
  • A home or business at high risk: 1
  • At medium risk at worst: 0
  • At low risk at worst: 1
  • At very low risk only: 0
  • Not on the at-risk list: 191

Of the 193 postcodes in the SN4 7 sector that ONS places, 1 have a home or business at high risk, 1 are at low risk at worst and 191 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.

SN4 7RX3 at high risk

What do homes sell for in SN4 7?

Homes in SN4 7 sold for a typical £290,000 in the 12 months to August 2026, across 81 sales, down 9.4% on the 12 months before, HM Land Registry's figures show.

£290,000 typical price, the 12 months to August 2026
£320,000 12 months to August 2025
▼ down 9.4% on the 12 months before
  • Detached £555,000 16 sales
  • Semi-detached £319,000 23 sales
  • Terraced £262,500 30 sales
  • Flat or maisonette £148,500 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 SN4 7. 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 7

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 7AASN4 7ABSN4 7AFSN4 7AGSN4 7AHSN4 7AJSN4 7ALSN4 7ANSN4 7APSN4 7AQSN4 7ARSN4 7ASSN4 7ATSN4 7AUSN4 7AWSN4 7AXSN4 7AYSN4 7AZSN4 7BBSN4 7BDSN4 7BESN4 7BGSN4 7BLSN4 7BNSN4 7BPSN4 7BQSN4 7BSSN4 7BTSN4 7BUSN4 7BWSN4 7BXSN4 7BYSN4 7BZSN4 7DASN4 7DBSN4 7DDSN4 7DESN4 7DFSN4 7DGSN4 7DHSN4 7DJSN4 7DLSN4 7DNSN4 7DPSN4 7DQSN4 7DRSN4 7DSSN4 7DTSN4 7DUSN4 7DWSN4 7DXSN4 7DYSN4 7DZSN4 7EASN4 7EDSN4 7EESN4 7EGSN4 7EJSN4 7ELSN4 7ENSN4 7EQSN4 7ERSN4 7ESSN4 7ETSN4 7EUSN4 7EWSN4 7EZSN4 7FDSN4 7FESN4 7FFSN4 7FGSN4 7FHSN4 7FJSN4 7FLSN4 7FNSN4 7FPSN4 7FQSN4 7FRSN4 7FSSN4 7FTSN4 7FUSN4 7FWSN4 7FXSN4 7FYSN4 7FZSN4 7GDSN4 7GESN4 7GFSN4 7GGSN4 7GHSN4 7GJSN4 7GLSN4 7GZSN4 7HASN4 7HBSN4 7HESN4 7HFSN4 7HGSN4 7HJSN4 7HLSN4 7HNSN4 7HPSN4 7HQSN4 7HRSN4 7HSSN4 7HTSN4 7HUSN4 7HWSN4 7HXSN4 7HYSN4 7HZSN4 7JASN4 7JBSN4 7JDSN4 7JESN4 7JFSN4 7JGSN4 7JHSN4 7JJSN4 7JLSN4 7JPSN4 7JQSN4 7JRSN4 7JTSN4 7LBSN4 7LESN4 7PASN4 7PBSN4 7PDSN4 7PESN4 7PFSN4 7PGSN4 7PHSN4 7PJSN4 7PLSN4 7PNSN4 7PPSN4 7PQSN4 7PRSN4 7PSSN4 7PTSN4 7PUSN4 7PWSN4 7PXSN4 7PYSN4 7PZSN4 7QASN4 7QBSN4 7QDSN4 7QESN4 7QHSN4 7QJSN4 7QLSN4 7QNSN4 7QPSN4 7QQSN4 7QRSN4 7QSSN4 7QUSN4 7QWSN4 7QXSN4 7QYSN4 7QZSN4 7RASN4 7RBSN4 7RDSN4 7RESN4 7RGSN4 7RHSN4 7RJSN4 7RLSN4 7RNSN4 7RPSN4 7RQSN4 7RRSN4 7RSSN4 7RTSN4 7RUSN4 7RWSN4 7RXSN4 7RYSN4 7RZSN4 7SASN4 7SBSN4 7SDSN4 7SESN4 7SHSN4 7SJSN4 7SPSN4 7SQSN4 7SRSN4 7TASN4 7WB

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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