SN15 4 postcode sector in the SN15 district

SN15 4 is a sector of the SN15 district: every postcode that starts SN15 4. It has 257 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 SN15 4 sector, and which are new since 2020

Map of every postcode in the SN15 4 sector, by new since 2020 Of the 257 postcodes in the SN15 4 sector that ONS places, 11 are new since 2020 and 246 were in use before 2020. Places named: Lyneham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. SN15 4AA: before 2020SN15 4AB: before 2020SN15 4AD: before 2020SN15 4AE: before 2020SN15 4AF: before 2020SN15 4AG: before 2020SN15 4AH: before 2020SN15 4AJ: before 2020SN15 4AL: before 2020SN15 4AN: before 2020SN15 4AP: before 2020SN15 4AQ: before 2020SN15 4AR: before 2020SN15 4AS: before 2020SN15 4AT: before 2020SN15 4AU: before 2020SN15 4AW: before 2020SN15 4AX: before 2020SN15 4AY: before 2020SN15 4BA: before 2020SN15 4BD: before 2020SN15 4BG: before 2020SN15 4BH: before 2020SN15 4BJ: before 2020SN15 4BL: before 2020SN15 4BN: before 2020SN15 4BP: before 2020SN15 4BQ: before 2020SN15 4BS: before 2020SN15 4BT: before 2020SN15 4BU: before 2020SN15 4BW: before 2020SN15 4BX: before 2020SN15 4BY: before 2020SN15 4BZ: before 2020SN15 4DA: before 2020SN15 4DB: before 2020SN15 4DD: before 2020SN15 4DE: before 2020SN15 4DF: before 2020SN15 4DG: before 2020SN15 4DH: before 2020SN15 4DJ: before 2020SN15 4DL: before 2020SN15 4DN: before 2020SN15 4DP: before 2020SN15 4DQ: before 2020SN15 4DR: before 2020SN15 4DS: before 2020SN15 4DT: before 2020SN15 4DU: before 2020SN15 4DW: before 2020SN15 4DX: before 2020SN15 4DY: before 2020SN15 4DZ: before 2020SN15 4EA: before 2020SN15 4EB: before 2020SN15 4ED: before 2020SN15 4EE: before 2020SN15 4EH: before 2020SN15 4EL: before 2020SN15 4EN: before 2020SN15 4EP: before 2020SN15 4EQ: before 2020SN15 4ER: before 2020SN15 4ES: before 2020SN15 4ET: before 2020SN15 4EU: before 2020SN15 4EX: before 2020SN15 4EY: before 2020SN15 4EZ: before 2020SN15 4FA: before 2020SN15 4FB: before 2020SN15 4FD: before 2020SN15 4FE: before 2020SN15 4GY: before 2020SN15 4HB: before 2020SN15 4HE: before 2020SN15 4HF: before 2020SN15 4HG: before 2020SN15 4HH: before 2020SN15 4HJ: before 2020SN15 4HL: before 2020SN15 4HN: before 2020SN15 4HP: before 2020SN15 4HQ: before 2020SN15 4HR: before 2020SN15 4HS: before 2020SN15 4HU: before 2020SN15 4HW: before 2020SN15 4HX: before 2020SN15 4HY: before 2020SN15 4HZ: before 2020SN15 4JA: before 2020SN15 4JB: before 2020SN15 4JD: before 2020SN15 4JE: before 2020SN15 4JF: before 2020SN15 4JG: before 2020SN15 4JH: before 2020SN15 4JJ: before 2020SN15 4JL: before 2020SN15 4JN: before 2020SN15 4JP: before 2020SN15 4JR: before 2020SN15 4JS: before 2020SN15 4JT: before 2020SN15 4JU: before 2020SN15 4JW: before 2020SN15 4JX: before 2020SN15 4JY: before 2020SN15 4LD: before 2020SN15 4LE: before 2020SN15 4LF: before 2020SN15 4LG: before 2020SN15 4LJ: before 2020SN15 4LL: before 2020SN15 4LN: before 2020SN15 4LP: before 2020SN15 4LQ: before 2020SN15 4LR: before 2020SN15 4LS: before 2020SN15 4LT: before 2020SN15 4LU: before 2020SN15 4LW: before 2020SN15 4LX: before 2020SN15 4LY: before 2020SN15 4LZ: before 2020SN15 4NA: before 2020SN15 4NB: before 2020SN15 4ND: before 2020SN15 4NE: before 2020SN15 4NF: before 2020SN15 4NG: before 2020SN15 4NH: before 2020SN15 4NJ: before 2020SN15 4NL: before 2020SN15 4NN: before 2020SN15 4NP: before 2020SN15 4NQ: before 2020SN15 4NR: before 2020SN15 4NS: before 2020SN15 4NT: before 2020SN15 4NU: before 2020SN15 4NX: before 2020SN15 4NY: before 2020SN15 4NZ: before 2020SN15 4PA: before 2020SN15 4PB: before 2020SN15 4PD: before 2020SN15 4PE: before 2020SN15 4PF: before 2020SN15 4PG: before 2020SN15 4PH: before 2020SN15 4PJ: before 2020SN15 4PL: before 2020SN15 4PN: before 2020SN15 4PQ: before 2020SN15 4PR: before 2020SN15 4PT: before 2020SN15 4PW: before 2020SN15 4QA: before 2020SN15 4QB: before 2020SN15 4QD: before 2020SN15 4QE: before 2020SN15 4QG: before 2020SN15 4QH: before 2020SN15 4QJ: before 2020SN15 4QL: before 2020SN15 4QP: before 2020SN15 4QQ: before 2020SN15 4QR: before 2020SN15 4QS: before 2020SN15 4QT: before 2020SN15 4QU: before 2020SN15 4QW: before 2020SN15 4QX: before 2020SN15 4QY: before 2020SN15 4QZ: before 2020SN15 4RA: before 2020SN15 4RD: before 2020SN15 4RE: before 2020SN15 4RF: before 2020SN15 4RH: before 2020SN15 4RL: before 2020SN15 4RN: before 2020SN15 4RP: before 2020SN15 4RR: before 2020SN15 4RS: before 2020SN15 4RW: before 2020SN15 4RX: before 2020SN15 4RZ: before 2020SN15 4SA: before 2020SN15 4SB: before 2020SN15 4SD: before 2020SN15 4SE: before 2020SN15 4SF: before 2020SN15 4SG: before 2020SN15 4SJ: before 2020SN15 4SL: before 2020SN15 4SQ: before 2020SN15 4ST: before 2020SN15 4SW: before 2020SN15 4TE: before 2020SN15 4TG: before 2020SN15 4TH: before 2020SN15 4TP: before 2020SN15 4TR: before 2020SN15 4TX: before 2020SN15 4TY: before 2020SN15 4XX: before 2020SN15 4FF: new since 2020SN15 4FG: new since 2020SN15 4FH: new since 2020SN15 4FJ: new since 2020SN15 4FL: new since 2020SN15 4FN: new since 2020SN15 4FP: new since 2020SN15 4FQ: new since 2020SN15 4FS: new since 2020SN15 4FT: new since 2020SN15 4PU: new since 2020 Lyneham Map of every postcode in the SN15 4 sector, by new since 2020 Of the 257 postcodes in the SN15 4 sector that ONS places, 11 are new since 2020 and 246 were in use before 2020. Places named: Lyneham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. Lyneham
  • New since 2020: 11
  • In use before 2020: 246

Of the 257 postcodes in the SN15 4 sector that ONS places, 11 are new since 2020 and 246 were in use before 2020.

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. New since 2020 means it came into use in January 2020 or later. 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; when each came into use: the same directory; 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 5 newest postcodes

SN15 4FTFebruary 2025SN15 4FQMay 2024SN15 4FNNovember 2023SN15 4FPNovember 2023SN15 4FSSeptember 2023

What do homes sell for in SN15 4?

Homes in SN15 4 sold for a typical £340,000 in the 12 months to August 2026, across 72 sales, down 9.8% on the 12 months before, HM Land Registry's figures show.

£340,000 typical price, the 12 months to August 2026
£377,000 12 months to August 2025
▼ down 9.8% on the 12 months before
  • Detached £550,000 26 sales
  • Semi-detached £332,500 22 sales
  • Terraced £233,750 22 sales
  • Flat or maisonette 2 sales, too few to price

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 SN15 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 SN15 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.

SN15 4AASN15 4ABSN15 4ADSN15 4AESN15 4AFSN15 4AGSN15 4AHSN15 4AJSN15 4ALSN15 4ANSN15 4APSN15 4AQSN15 4ARSN15 4ASSN15 4ATSN15 4AUSN15 4AWSN15 4AXSN15 4AYSN15 4AZSN15 4BASN15 4BBSN15 4BDSN15 4BGSN15 4BHSN15 4BJSN15 4BLSN15 4BNSN15 4BPSN15 4BQSN15 4BSSN15 4BTSN15 4BUSN15 4BWSN15 4BXSN15 4BYSN15 4BZSN15 4DASN15 4DBSN15 4DDSN15 4DESN15 4DFSN15 4DGSN15 4DHSN15 4DJSN15 4DLSN15 4DNSN15 4DPSN15 4DQSN15 4DRSN15 4DSSN15 4DTSN15 4DUSN15 4DWSN15 4DXSN15 4DYSN15 4DZSN15 4EASN15 4EBSN15 4EDSN15 4EESN15 4EFSN15 4EHSN15 4ELSN15 4ENSN15 4EPSN15 4EQSN15 4ERSN15 4ESSN15 4ETSN15 4EUSN15 4EWSN15 4EXSN15 4EYSN15 4EZSN15 4FASN15 4FBSN15 4FDSN15 4FESN15 4FFSN15 4FGSN15 4FHSN15 4FJSN15 4FLSN15 4FNSN15 4FPSN15 4FQSN15 4FSSN15 4FTSN15 4GYSN15 4GZSN15 4HASN15 4HBSN15 4HDSN15 4HESN15 4HFSN15 4HGSN15 4HHSN15 4HJSN15 4HLSN15 4HNSN15 4HPSN15 4HQSN15 4HRSN15 4HSSN15 4HTSN15 4HUSN15 4HWSN15 4HXSN15 4HYSN15 4HZSN15 4JASN15 4JBSN15 4JDSN15 4JESN15 4JFSN15 4JGSN15 4JHSN15 4JJSN15 4JLSN15 4JNSN15 4JPSN15 4JRSN15 4JSSN15 4JTSN15 4JUSN15 4JWSN15 4JXSN15 4JYSN15 4JZSN15 4LBSN15 4LDSN15 4LESN15 4LFSN15 4LGSN15 4LJSN15 4LLSN15 4LNSN15 4LPSN15 4LQSN15 4LRSN15 4LSSN15 4LTSN15 4LUSN15 4LWSN15 4LXSN15 4LYSN15 4LZSN15 4NASN15 4NBSN15 4NDSN15 4NESN15 4NFSN15 4NGSN15 4NHSN15 4NJSN15 4NLSN15 4NNSN15 4NPSN15 4NQSN15 4NRSN15 4NSSN15 4NTSN15 4NUSN15 4NWSN15 4NXSN15 4NYSN15 4NZSN15 4PASN15 4PBSN15 4PDSN15 4PESN15 4PFSN15 4PGSN15 4PHSN15 4PJSN15 4PLSN15 4PNSN15 4PPSN15 4PQSN15 4PRSN15 4PSSN15 4PTSN15 4PUSN15 4PWSN15 4PXSN15 4QASN15 4QBSN15 4QDSN15 4QESN15 4QFSN15 4QGSN15 4QHSN15 4QJSN15 4QLSN15 4QNSN15 4QPSN15 4QQSN15 4QRSN15 4QSSN15 4QTSN15 4QUSN15 4QWSN15 4QXSN15 4QYSN15 4QZSN15 4RASN15 4RBSN15 4RDSN15 4RESN15 4RFSN15 4RHSN15 4RJSN15 4RLSN15 4RNSN15 4RPSN15 4RQSN15 4RRSN15 4RSSN15 4RTSN15 4RUSN15 4RWSN15 4RXSN15 4RYSN15 4RZSN15 4SASN15 4SBSN15 4SDSN15 4SESN15 4SFSN15 4SGSN15 4SHSN15 4SJSN15 4SLSN15 4SNSN15 4SPSN15 4SQSN15 4STSN15 4SWSN15 4TASN15 4TBSN15 4TDSN15 4TESN15 4TFSN15 4TGSN15 4THSN15 4TJSN15 4TLSN15 4TPSN15 4TQSN15 4TRSN15 4TUSN15 4TXSN15 4TYSN15 4UZSN15 4XASN15 4XX

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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