SN8 4 postcode sector in the SN8 district

SN8 4 is a sector of the SN8 district: every postcode that starts SN8 4. It has 171 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 SN8 4 sector, by flood risk

Map of every postcode in the SN8 4 sector, by flood risk Of the 171 postcodes in the SN8 4 sector that ONS places, 2 have a home or business at high risk, 7 are at medium risk at worst, 2 are at low risk at worst and 160 are not on the Environment Agency's at-risk list. Places named: Marlborough, Pewsey. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A4361 SN8 4AB: not on the flood risk listSN8 4AD: not on the flood risk listSN8 4AE: not on the flood risk listSN8 4AG: not on the flood risk listSN8 4AH: not on the flood risk listSN8 4AJ: not on the flood risk listSN8 4AL: not on the flood risk listSN8 4AP: not on the flood risk listSN8 4AQ: not on the flood risk listSN8 4AR: not on the flood risk listSN8 4AS: not on the flood risk listSN8 4AT: not on the flood risk listSN8 4AU: not on the flood risk listSN8 4AW: not on the flood risk listSN8 4AX: not on the flood risk listSN8 4AY: not on the flood risk listSN8 4AZ: not on the flood risk listSN8 4BB: not on the flood risk listSN8 4BD: not on the flood risk listSN8 4BE: not on the flood risk listSN8 4BF: not on the flood risk listSN8 4BG: not on the flood risk listSN8 4BJ: not on the flood risk listSN8 4BN: not on the flood risk listSN8 4BS: not on the flood risk listSN8 4BX: not on the flood risk listSN8 4BZ: not on the flood risk listSN8 4DD: not on the flood risk listSN8 4DE: not on the flood risk listSN8 4DF: not on the flood risk listSN8 4DN: not on the flood risk listSN8 4DP: not on the flood risk listSN8 4DQ: not on the flood risk listSN8 4DR: not on the flood risk listSN8 4DS: not on the flood risk listSN8 4DT: not on the flood risk listSN8 4DU: not on the flood risk listSN8 4DW: not on the flood risk listSN8 4DX: not on the flood risk listSN8 4DY: not on the flood risk listSN8 4DZ: not on the flood risk listSN8 4EA: not on the flood risk listSN8 4EB: not on the flood risk listSN8 4ED: not on the flood risk listSN8 4EF: not on the flood risk listSN8 4EG: not on the flood risk listSN8 4EH: not on the flood risk listSN8 4EL: not on the flood risk listSN8 4EN: not on the flood risk listSN8 4EP: not on the flood risk listSN8 4EQ: not on the flood risk listSN8 4ER: not on the flood risk listSN8 4ES: not on the flood risk listSN8 4ET: not on the flood risk listSN8 4EU: not on the flood risk listSN8 4EX: not on the flood risk listSN8 4EY: not on the flood risk listSN8 4EZ: not on the flood risk listSN8 4FD: not on the flood risk listSN8 4FE: not on the flood risk listSN8 4FG: not on the flood risk listSN8 4FH: not on the flood risk listSN8 4FJ: not on the flood risk listSN8 4FL: not on the flood risk listSN8 4FN: not on the flood risk listSN8 4HB: not on the flood risk listSN8 4HF: not on the flood risk listSN8 4HH: not on the flood risk listSN8 4HJ: not on the flood risk listSN8 4HL: not on the flood risk listSN8 4HN: not on the flood risk listSN8 4HQ: not on the flood risk listSN8 4HS: not on the flood risk listSN8 4HT: not on the flood risk listSN8 4HW: not on the flood risk listSN8 4HY: not on the flood risk listSN8 4HZ: not on the flood risk listSN8 4JA: not on the flood risk listSN8 4JB: not on the flood risk listSN8 4JD: not on the flood risk listSN8 4JE: not on the flood risk listSN8 4JF: not on the flood risk listSN8 4JG: not on the flood risk listSN8 4JH: not on the flood risk listSN8 4JJ: not on the flood risk listSN8 4JL: not on the flood risk listSN8 4JN: not on the flood risk listSN8 4JP: not on the flood risk listSN8 4JQ: not on the flood risk listSN8 4JR: not on the flood risk listSN8 4JS: not on the flood risk listSN8 4JT: not on the flood risk listSN8 4JW: not on the flood risk listSN8 4JX: not on the flood risk listSN8 4JY: not on the flood risk listSN8 4JZ: not on the flood risk listSN8 4LB: not on the flood risk listSN8 4LD: not on the flood risk listSN8 4LE: not on the flood risk listSN8 4LF: not on the flood risk listSN8 4LG: not on the flood risk listSN8 4LH: not on the flood risk listSN8 4LN: not on the flood risk listSN8 4LP: not on the flood risk listSN8 4LQ: not on the flood risk listSN8 4LR: not on the flood risk listSN8 4LS: not on the flood risk listSN8 4LU: not on the flood risk listSN8 4LX: not on the flood risk listSN8 4LY: not on the flood risk listSN8 4NB: not on the flood risk listSN8 4ND: not on the flood risk listSN8 4NE: not on the flood risk listSN8 4NF: not on the flood risk listSN8 4NG: not on the flood risk listSN8 4NH: not on the flood risk listSN8 4NJ: not on the flood risk listSN8 4NL: not on the flood risk listSN8 4NN: not on the flood risk listSN8 4NP: not on the flood risk listSN8 4NR: not on the flood risk listSN8 4NS: not on the flood risk listSN8 4NT: not on the flood risk listSN8 4NU: not on the flood risk listSN8 4NW: not on the flood risk listSN8 4NX: not on the flood risk listSN8 4NZ: not on the flood risk listSN8 4PA: not on the flood risk listSN8 4PB: not on the flood risk listSN8 4PG: not on the flood risk listSN8 4PH: not on the flood risk listSN8 4WL: not on the flood risk listSN8 4WQ: not on the flood risk listSN8 4YN: not on the flood risk listSN8 4YR: not on the flood risk listSN8 4YU: not on the flood risk listSN8 4YW: not on the flood risk listSN8 4BY: low flood risk at worstSN8 4AA: medium flood risk at worstSN8 4DJ: medium flood risk at worstSN8 4DL: medium flood risk at worstSN8 4HR: medium flood risk at worstSN8 4JU: medium flood risk at worstSN8 4LT: medium flood risk at worstSN8 4NQ: medium flood risk at worstSN8 4LJ: high flood riskSN8 4LL: high flood risk MarlboroughPewsey Map of every postcode in the SN8 4 sector, by flood risk Of the 171 postcodes in the SN8 4 sector that ONS places, 2 have a home or business at high risk, 7 are at medium risk at worst, 2 are at low risk at worst and 160 are not on the Environment Agency's at-risk list. Places named: Marlborough, Pewsey. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. A4361 MarlboroughPewsey
  • A home or business at high risk: 2
  • At medium risk at worst: 7
  • At low risk at worst: 2
  • At very low risk only: 0
  • Not on the at-risk list: 160

Of the 171 postcodes in the SN8 4 sector that ONS places, 2 have a home or business at high risk, 7 are at medium risk at worst, 2 are at low risk at worst and 160 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.

SN8 4LL5 at high riskSN8 4LJ1 at high risk

What do homes sell for in SN8 4?

Homes in SN8 4 sold for a typical £350,000 in the 12 months to August 2026, across 38 sales, down 5.4% on the 12 months before, HM Land Registry's figures show.

£350,000 typical price, the 12 months to August 2026
£370,000 12 months to August 2025
▼ down 5.4% on the 12 months before
  • Detached £588,750 14 sales
  • Semi-detached £347,500 10 sales
  • Terraced £286,250 6 sales
  • Flat or maisonette £203,750 8 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 SN8 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 SN8 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.

SN8 4AASN8 4ABSN8 4ADSN8 4AESN8 4AFSN8 4AGSN8 4AHSN8 4AJSN8 4ALSN8 4ANSN8 4APSN8 4AQSN8 4ARSN8 4ASSN8 4ATSN8 4AUSN8 4AWSN8 4AXSN8 4AYSN8 4AZSN8 4BASN8 4BBSN8 4BDSN8 4BESN8 4BFSN8 4BGSN8 4BHSN8 4BJSN8 4BLSN8 4BNSN8 4BPSN8 4BQSN8 4BSSN8 4BTSN8 4BUSN8 4BXSN8 4BYSN8 4BZSN8 4DDSN8 4DESN8 4DFSN8 4DGSN8 4DHSN8 4DJSN8 4DLSN8 4DNSN8 4DPSN8 4DQSN8 4DRSN8 4DSSN8 4DTSN8 4DUSN8 4DWSN8 4DXSN8 4DYSN8 4DZSN8 4EASN8 4EBSN8 4EDSN8 4EESN8 4EFSN8 4EGSN8 4EHSN8 4EJSN8 4ELSN8 4ENSN8 4EPSN8 4EQSN8 4ERSN8 4ESSN8 4ETSN8 4EUSN8 4EWSN8 4EXSN8 4EYSN8 4EZSN8 4FASN8 4FDSN8 4FESN8 4FGSN8 4FHSN8 4FJSN8 4FLSN8 4FNSN8 4FQSN8 4HASN8 4HBSN8 4HDSN8 4HESN8 4HFSN8 4HHSN8 4HJSN8 4HLSN8 4HNSN8 4HPSN8 4HQSN8 4HRSN8 4HSSN8 4HTSN8 4HWSN8 4HYSN8 4HZSN8 4JASN8 4JBSN8 4JDSN8 4JESN8 4JFSN8 4JGSN8 4JHSN8 4JJSN8 4JLSN8 4JNSN8 4JPSN8 4JQSN8 4JRSN8 4JSSN8 4JTSN8 4JUSN8 4JWSN8 4JXSN8 4JYSN8 4JZSN8 4LBSN8 4LDSN8 4LESN8 4LFSN8 4LGSN8 4LHSN8 4LJSN8 4LLSN8 4LNSN8 4LPSN8 4LQSN8 4LRSN8 4LSSN8 4LTSN8 4LUSN8 4LXSN8 4LYSN8 4LZSN8 4NBSN8 4NDSN8 4NESN8 4NFSN8 4NGSN8 4NHSN8 4NJSN8 4NLSN8 4NNSN8 4NPSN8 4NQSN8 4NRSN8 4NSSN8 4NTSN8 4NUSN8 4NWSN8 4NXSN8 4NZSN8 4PASN8 4PBSN8 4PGSN8 4PHSN8 4PQSN8 4WLSN8 4WQSN8 4YNSN8 4YPSN8 4YRSN8 4YSSN8 4YUSN8 4YW

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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