SN5 4 postcode sector in the SN5 district

SN5 4 is a sector of the SN5 district: every postcode that starts SN5 4. It has 158 postcodes in use, 2 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 SN5 4 sector, by flood risk

Map of every postcode in the SN5 4 sector, by flood risk Of the 158 postcodes in the SN5 4 sector that ONS places, 3 have a home or business at high risk, 2 are at medium risk at worst, 2 are at low risk at worst and 151 are not on the Environment Agency's at-risk list. Places named: Purton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A4198 SN5 4AA: not on the flood risk listSN5 4AB: not on the flood risk listSN5 4AD: not on the flood risk listSN5 4AE: not on the flood risk listSN5 4AF: not on the flood risk listSN5 4AG: not on the flood risk listSN5 4AH: not on the flood risk listSN5 4AJ: not on the flood risk listSN5 4AL: not on the flood risk listSN5 4AP: not on the flood risk listSN5 4AQ: not on the flood risk listSN5 4AR: not on the flood risk listSN5 4AS: not on the flood risk listSN5 4AT: not on the flood risk listSN5 4AU: not on the flood risk listSN5 4AX: not on the flood risk listSN5 4AY: not on the flood risk listSN5 4AZ: not on the flood risk listSN5 4BA: not on the flood risk listSN5 4BB: not on the flood risk listSN5 4BD: not on the flood risk listSN5 4BE: not on the flood risk listSN5 4BF: not on the flood risk listSN5 4BG: not on the flood risk listSN5 4BH: not on the flood risk listSN5 4BJ: not on the flood risk listSN5 4BL: not on the flood risk listSN5 4BP: not on the flood risk listSN5 4BQ: not on the flood risk listSN5 4BS: not on the flood risk listSN5 4BT: not on the flood risk listSN5 4BU: not on the flood risk listSN5 4BX: not on the flood risk listSN5 4BY: not on the flood risk listSN5 4BZ: not on the flood risk listSN5 4DA: not on the flood risk listSN5 4DB: not on the flood risk listSN5 4DD: not on the flood risk listSN5 4DE: not on the flood risk listSN5 4DF: not on the flood risk listSN5 4DG: not on the flood risk listSN5 4DH: not on the flood risk listSN5 4DL: not on the flood risk listSN5 4DN: not on the flood risk listSN5 4DP: not on the flood risk listSN5 4DQ: not on the flood risk listSN5 4DR: not on the flood risk listSN5 4DS: not on the flood risk listSN5 4DT: not on the flood risk listSN5 4DU: not on the flood risk listSN5 4DW: not on the flood risk listSN5 4DX: not on the flood risk listSN5 4DY: not on the flood risk listSN5 4DZ: not on the flood risk listSN5 4EA: not on the flood risk listSN5 4EB: not on the flood risk listSN5 4ED: not on the flood risk listSN5 4EE: not on the flood risk listSN5 4EF: not on the flood risk listSN5 4EG: not on the flood risk listSN5 4EH: not on the flood risk listSN5 4EJ: not on the flood risk listSN5 4EL: not on the flood risk listSN5 4EN: not on the flood risk listSN5 4EP: not on the flood risk listSN5 4EQ: not on the flood risk listSN5 4ER: not on the flood risk listSN5 4ES: not on the flood risk listSN5 4ET: not on the flood risk listSN5 4EU: not on the flood risk listSN5 4EW: not on the flood risk listSN5 4EX: not on the flood risk listSN5 4EY: not on the flood risk listSN5 4EZ: not on the flood risk listSN5 4FA: not on the flood risk listSN5 4FD: not on the flood risk listSN5 4FE: not on the flood risk listSN5 4FF: not on the flood risk listSN5 4FG: not on the flood risk listSN5 4FH: not on the flood risk listSN5 4FJ: not on the flood risk listSN5 4FL: not on the flood risk listSN5 4FN: not on the flood risk listSN5 4FP: not on the flood risk listSN5 4FQ: not on the flood risk listSN5 4FR: not on the flood risk listSN5 4FS: not on the flood risk listSN5 4FT: not on the flood risk listSN5 4FU: not on the flood risk listSN5 4FW: not on the flood risk listSN5 4FX: not on the flood risk listSN5 4FY: not on the flood risk listSN5 4FZ: not on the flood risk listSN5 4GA: not on the flood risk listSN5 4GB: not on the flood risk listSN5 4GD: not on the flood risk listSN5 4GE: not on the flood risk listSN5 4GF: not on the flood risk listSN5 4GG: not on the flood risk listSN5 4GH: not on the flood risk listSN5 4GJ: not on the flood risk listSN5 4GL: not on the flood risk listSN5 4GP: not on the flood risk listSN5 4GQ: not on the flood risk listSN5 4GR: not on the flood risk listSN5 4GS: not on the flood risk listSN5 4GT: not on the flood risk listSN5 4GU: not on the flood risk listSN5 4GW: not on the flood risk listSN5 4GX: not on the flood risk listSN5 4GY: not on the flood risk listSN5 4GZ: not on the flood risk listSN5 4HA: not on the flood risk listSN5 4HB: not on the flood risk listSN5 4HD: not on the flood risk listSN5 4HE: not on the flood risk listSN5 4HF: not on the flood risk listSN5 4HG: not on the flood risk listSN5 4HH: not on the flood risk listSN5 4HJ: not on the flood risk listSN5 4HN: not on the flood risk listSN5 4HP: not on the flood risk listSN5 4HQ: not on the flood risk listSN5 4HR: not on the flood risk listSN5 4HS: not on the flood risk listSN5 4HT: not on the flood risk listSN5 4HU: not on the flood risk listSN5 4HW: not on the flood risk listSN5 4HX: not on the flood risk listSN5 4HY: not on the flood risk listSN5 4HZ: not on the flood risk listSN5 4JA: not on the flood risk listSN5 4JG: not on the flood risk listSN5 4JH: not on the flood risk listSN5 4JJ: not on the flood risk listSN5 4JL: not on the flood risk listSN5 4JP: not on the flood risk listSN5 4JR: not on the flood risk listSN5 4JS: not on the flood risk listSN5 4JU: not on the flood risk listSN5 4JX: not on the flood risk listSN5 4JY: not on the flood risk listSN5 4JZ: not on the flood risk listSN5 4LB: not on the flood risk listSN5 4LD: not on the flood risk listSN5 4LJ: not on the flood risk listSN5 4LL: not on the flood risk listSN5 4LW: not on the flood risk listSN5 4LX: not on the flood risk listSN5 4JE: low flood risk at worstSN5 4JQ: low flood risk at worstSN5 4JB: medium flood risk at worstSN5 4JF: medium flood risk at worstSN5 4JN: high flood riskSN5 4JW: high flood riskSN5 4LA: high flood risk Purton Map of every postcode in the SN5 4 sector, by flood risk Of the 158 postcodes in the SN5 4 sector that ONS places, 3 have a home or business at high risk, 2 are at medium risk at worst, 2 are at low risk at worst and 151 are not on the Environment Agency's at-risk list. Places named: Purton. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. Purton
  • A home or business at high risk: 3
  • At medium risk at worst: 2
  • At low risk at worst: 2
  • At very low risk only: 0
  • Not on the at-risk list: 151

Of the 158 postcodes in the SN5 4 sector that ONS places, 3 have a home or business at high risk, 2 are at medium risk at worst, 2 are at low risk at worst and 151 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.

SN5 4JN7 at high riskSN5 4JW4 at high riskSN5 4LA1 at high risk

What do homes sell for in SN5 4?

Homes in SN5 4 sold for a typical £325,000 in the 12 months to August 2026, across 85 sales, down 0.8% on the 12 months before, HM Land Registry's figures show.

£325,000 typical price, the 12 months to August 2026
£327,500 12 months to August 2025
▼ down 0.8% on the 12 months before
  • Detached £465,000 34 sales
  • Semi-detached £288,000 30 sales
  • Terraced £255,000 11 sales
  • Flat or maisonette £145,000 10 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 SN5 4. 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 SN5 4

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.

SN5 4AASN5 4ABSN5 4ADSN5 4AESN5 4AFSN5 4AGSN5 4AHSN5 4AJSN5 4ALSN5 4APSN5 4AQSN5 4ARSN5 4ASSN5 4ATSN5 4AUSN5 4AXSN5 4AYSN5 4AZSN5 4BASN5 4BBSN5 4BDSN5 4BESN5 4BFSN5 4BGSN5 4BHSN5 4BJSN5 4BLSN5 4BPSN5 4BQSN5 4BSSN5 4BTSN5 4BUSN5 4BXSN5 4BYSN5 4BZSN5 4DASN5 4DBSN5 4DDSN5 4DESN5 4DFSN5 4DGSN5 4DHSN5 4DJSN5 4DLSN5 4DNSN5 4DPSN5 4DQSN5 4DRSN5 4DSSN5 4DTSN5 4DUSN5 4DWSN5 4DXSN5 4DYSN5 4DZSN5 4EASN5 4EBSN5 4EDSN5 4EESN5 4EFSN5 4EGSN5 4EHSN5 4EJSN5 4ELSN5 4ENSN5 4EPSN5 4EQSN5 4ERSN5 4ESSN5 4ETSN5 4EUSN5 4EWSN5 4EXSN5 4EYSN5 4EZSN5 4FASN5 4FDSN5 4FESN5 4FFSN5 4FGSN5 4FHSN5 4FJSN5 4FLSN5 4FNSN5 4FPSN5 4FQSN5 4FRSN5 4FSSN5 4FTSN5 4FUSN5 4FWSN5 4FXSN5 4FYSN5 4FZSN5 4GASN5 4GBSN5 4GDSN5 4GESN5 4GFSN5 4GGSN5 4GHSN5 4GJSN5 4GLSN5 4GNSN5 4GPSN5 4GQSN5 4GRSN5 4GSSN5 4GTSN5 4GUSN5 4GWSN5 4GXSN5 4GYSN5 4GZSN5 4HASN5 4HBSN5 4HDSN5 4HESN5 4HFSN5 4HGSN5 4HHSN5 4HJSN5 4HNSN5 4HPSN5 4HQSN5 4HRSN5 4HSSN5 4HTSN5 4HUSN5 4HWSN5 4HXSN5 4HYSN5 4HZSN5 4JASN5 4JBSN5 4JESN5 4JFSN5 4JGSN5 4JHSN5 4JJSN5 4JLSN5 4JNSN5 4JPSN5 4JQSN5 4JRSN5 4JSSN5 4JUSN5 4JWSN5 4JXSN5 4JYSN5 4JZSN5 4LASN5 4LBSN5 4LDSN5 4LJSN5 4LLSN5 4LWSN5 4LX

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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