SN15 5 postcode sector in the SN15 district

SN15 5 is a sector of the SN15 district: every postcode that starts SN15 5. It has 191 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 SN15 5 sector, by flood risk

Map of every postcode in the SN15 5 sector, by flood risk Of the 191 postcodes in the SN15 5 sector that ONS places, 4 have a home or business at high risk, 2 are at medium risk at worst, 2 are at low risk at worst and 183 are not on the Environment Agency's at-risk list. Places named: Lyneham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. M4A429A3102A420 SN15 5AA: not on the flood risk listSN15 5AD: not on the flood risk listSN15 5AE: not on the flood risk listSN15 5AF: not on the flood risk listSN15 5AG: not on the flood risk listSN15 5AH: not on the flood risk listSN15 5AJ: not on the flood risk listSN15 5AL: not on the flood risk listSN15 5AN: not on the flood risk listSN15 5AP: not on the flood risk listSN15 5AQ: not on the flood risk listSN15 5AR: not on the flood risk listSN15 5AS: not on the flood risk listSN15 5AT: not on the flood risk listSN15 5AU: not on the flood risk listSN15 5AW: not on the flood risk listSN15 5AX: not on the flood risk listSN15 5AY: not on the flood risk listSN15 5AZ: not on the flood risk listSN15 5BA: not on the flood risk listSN15 5BB: not on the flood risk listSN15 5BD: not on the flood risk listSN15 5BE: not on the flood risk listSN15 5BF: not on the flood risk listSN15 5BG: not on the flood risk listSN15 5BH: not on the flood risk listSN15 5BJ: not on the flood risk listSN15 5BN: not on the flood risk listSN15 5BP: not on the flood risk listSN15 5BQ: not on the flood risk listSN15 5BS: not on the flood risk listSN15 5BT: not on the flood risk listSN15 5BU: not on the flood risk listSN15 5BW: not on the flood risk listSN15 5BX: not on the flood risk listSN15 5BY: not on the flood risk listSN15 5BZ: not on the flood risk listSN15 5DA: not on the flood risk listSN15 5DB: not on the flood risk listSN15 5DD: not on the flood risk listSN15 5DE: not on the flood risk listSN15 5DF: not on the flood risk listSN15 5DH: not on the flood risk listSN15 5DL: not on the flood risk listSN15 5DQ: not on the flood risk listSN15 5DR: not on the flood risk listSN15 5DS: not on the flood risk listSN15 5DT: not on the flood risk listSN15 5DU: not on the flood risk listSN15 5DW: not on the flood risk listSN15 5DX: not on the flood risk listSN15 5DY: not on the flood risk listSN15 5DZ: not on the flood risk listSN15 5EB: not on the flood risk listSN15 5ED: not on the flood risk listSN15 5EE: not on the flood risk listSN15 5EF: not on the flood risk listSN15 5EG: not on the flood risk listSN15 5EH: not on the flood risk listSN15 5EJ: not on the flood risk listSN15 5EL: not on the flood risk listSN15 5EN: not on the flood risk listSN15 5EP: not on the flood risk listSN15 5EQ: not on the flood risk listSN15 5ER: not on the flood risk listSN15 5EU: not on the flood risk listSN15 5EW: not on the flood risk listSN15 5EY: not on the flood risk listSN15 5EZ: not on the flood risk listSN15 5FA: not on the flood risk listSN15 5FB: not on the flood risk listSN15 5FD: not on the flood risk listSN15 5FF: not on the flood risk listSN15 5FH: not on the flood risk listSN15 5FJ: not on the flood risk listSN15 5FN: not on the flood risk listSN15 5HA: not on the flood risk listSN15 5HB: not on the flood risk listSN15 5HD: not on the flood risk listSN15 5HE: not on the flood risk listSN15 5HF: not on the flood risk listSN15 5HG: not on the flood risk listSN15 5HH: not on the flood risk listSN15 5HJ: not on the flood risk listSN15 5HN: not on the flood risk listSN15 5HP: not on the flood risk listSN15 5HQ: not on the flood risk listSN15 5HR: not on the flood risk listSN15 5HS: not on the flood risk listSN15 5HY: not on the flood risk listSN15 5JB: not on the flood risk listSN15 5JD: not on the flood risk listSN15 5JE: not on the flood risk listSN15 5JF: not on the flood risk listSN15 5JG: not on the flood risk listSN15 5JH: not on the flood risk listSN15 5JJ: not on the flood risk listSN15 5JL: not on the flood risk listSN15 5JP: not on the flood risk listSN15 5JR: not on the flood risk listSN15 5JS: not on the flood risk listSN15 5JT: not on the flood risk listSN15 5JU: not on the flood risk listSN15 5JW: not on the flood risk listSN15 5JX: not on the flood risk listSN15 5JZ: not on the flood risk listSN15 5LA: not on the flood risk listSN15 5LE: not on the flood risk listSN15 5LF: not on the flood risk listSN15 5LG: not on the flood risk listSN15 5LH: not on the flood risk listSN15 5LJ: not on the flood risk listSN15 5LL: not on the flood risk listSN15 5LN: not on the flood risk listSN15 5LR: not on the flood risk listSN15 5LT: not on the flood risk listSN15 5LU: not on the flood risk listSN15 5LX: not on the flood risk listSN15 5LY: not on the flood risk listSN15 5LZ: not on the flood risk listSN15 5NB: not on the flood risk listSN15 5ND: not on the flood risk listSN15 5NE: not on the flood risk listSN15 5NF: not on the flood risk listSN15 5NH: not on the flood risk listSN15 5NJ: not on the flood risk listSN15 5NN: not on the flood risk listSN15 5NP: not on the flood risk listSN15 5NQ: not on the flood risk listSN15 5NR: not on the flood risk listSN15 5NS: not on the flood risk listSN15 5NU: not on the flood risk listSN15 5NY: not on the flood risk listSN15 5NZ: not on the flood risk listSN15 5PA: not on the flood risk listSN15 5PB: not on the flood risk listSN15 5PD: not on the flood risk listSN15 5PE: not on the flood risk listSN15 5PF: not on the flood risk listSN15 5PG: not on the flood risk listSN15 5PH: not on the flood risk listSN15 5PN: not on the flood risk listSN15 5PP: not on the flood risk listSN15 5PR: not on the flood risk listSN15 5PS: not on the flood risk listSN15 5PT: not on the flood risk listSN15 5PU: not on the flood risk listSN15 5PW: not on the flood risk listSN15 5PX: not on the flood risk listSN15 5PZ: not on the flood risk listSN15 5QA: not on the flood risk listSN15 5QB: not on the flood risk listSN15 5QF: not on the flood risk listSN15 5QH: not on the flood risk listSN15 5QQ: not on the flood risk listSN15 5WJ: not on the flood risk listSN15 5DG: low flood risk at worstSN15 5EX: medium flood risk at worstSN15 5HU: medium flood risk at worstSN15 5ES: high flood riskSN15 5JA: high flood riskSN15 5JN: high flood riskSN15 5LD: high flood risk Lyneham Map of every postcode in the SN15 5 sector, by flood risk Of the 191 postcodes in the SN15 5 sector that ONS places, 4 have a home or business at high risk, 2 are at medium risk at worst, 2 are at low risk at worst and 183 are not on the Environment Agency's at-risk list. Places named: Lyneham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. M4A429 Lyneham
  • A home or business at high risk: 4
  • At medium risk at worst: 2
  • At low risk at worst: 2
  • At very low risk only: 0
  • Not on the at-risk list: 183

Of the 191 postcodes in the SN15 5 sector that ONS places, 4 have a home or business at high risk, 2 are at medium risk at worst, 2 are at low risk at worst and 183 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.

SN15 5JN8 at high riskSN15 5JA2 at high riskSN15 5ES1 at high riskSN15 5LD1 at high risk

What do homes sell for in SN15 5?

Homes in SN15 5 sold for a typical £560,000 in the 12 months to August 2026, across 41 sales, up 12.2% on the 12 months before, HM Land Registry's figures show.

£560,000 typical price, the 12 months to August 2026
£499,000 12 months to August 2025
▲ up 12.2% on the 12 months before
  • Detached £662,500 19 sales
  • Semi-detached £515,000 11 sales
  • Terraced £337,500 5 sales
  • Flat or maisonette £180,000 6 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 SN15 5. 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 5

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 5AASN15 5ABSN15 5ADSN15 5AESN15 5AFSN15 5AGSN15 5AHSN15 5AJSN15 5ALSN15 5ANSN15 5APSN15 5AQSN15 5ARSN15 5ASSN15 5ATSN15 5AUSN15 5AWSN15 5AXSN15 5AYSN15 5AZSN15 5BASN15 5BBSN15 5BDSN15 5BESN15 5BFSN15 5BGSN15 5BHSN15 5BJSN15 5BLSN15 5BNSN15 5BPSN15 5BQSN15 5BSSN15 5BTSN15 5BUSN15 5BWSN15 5BXSN15 5BYSN15 5BZSN15 5DASN15 5DBSN15 5DDSN15 5DESN15 5DFSN15 5DGSN15 5DHSN15 5DJSN15 5DLSN15 5DPSN15 5DQSN15 5DRSN15 5DSSN15 5DTSN15 5DUSN15 5DWSN15 5DXSN15 5DYSN15 5DZSN15 5EBSN15 5EDSN15 5EESN15 5EFSN15 5EGSN15 5EHSN15 5EJSN15 5ELSN15 5ENSN15 5EPSN15 5EQSN15 5ERSN15 5ESSN15 5EUSN15 5EWSN15 5EXSN15 5EYSN15 5EZSN15 5FASN15 5FBSN15 5FDSN15 5FESN15 5FFSN15 5FGSN15 5FHSN15 5FJSN15 5FLSN15 5FNSN15 5FPSN15 5FQSN15 5HASN15 5HBSN15 5HDSN15 5HESN15 5HFSN15 5HGSN15 5HHSN15 5HJSN15 5HNSN15 5HPSN15 5HQSN15 5HRSN15 5HSSN15 5HTSN15 5HUSN15 5HWSN15 5HXSN15 5HYSN15 5HZSN15 5JASN15 5JBSN15 5JDSN15 5JESN15 5JFSN15 5JGSN15 5JHSN15 5JJSN15 5JLSN15 5JNSN15 5JPSN15 5JQSN15 5JRSN15 5JSSN15 5JTSN15 5JUSN15 5JWSN15 5JXSN15 5JYSN15 5JZSN15 5LASN15 5LDSN15 5LESN15 5LFSN15 5LGSN15 5LHSN15 5LJSN15 5LLSN15 5LNSN15 5LPSN15 5LQSN15 5LRSN15 5LTSN15 5LUSN15 5LXSN15 5LYSN15 5LZSN15 5NBSN15 5NDSN15 5NESN15 5NFSN15 5NGSN15 5NHSN15 5NJSN15 5NLSN15 5NNSN15 5NPSN15 5NQSN15 5NRSN15 5NSSN15 5NTSN15 5NUSN15 5NWSN15 5NXSN15 5NYSN15 5NZSN15 5PASN15 5PBSN15 5PDSN15 5PESN15 5PFSN15 5PGSN15 5PHSN15 5PJSN15 5PLSN15 5PNSN15 5PPSN15 5PQSN15 5PRSN15 5PSSN15 5PTSN15 5PUSN15 5PWSN15 5PXSN15 5PYSN15 5PZSN15 5QASN15 5QBSN15 5QFSN15 5QGSN15 5QHSN15 5QQSN15 5SESN15 5WJ

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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