SN15 1 postcode sector in the SN15 district

SN15 1 is a sector of the SN15 district: every postcode that starts SN15 1. It has 236 postcodes in use, 10 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 1 sector, by flood risk

Map of every postcode in the SN15 1 sector, by flood risk Of the 236 postcodes in the SN15 1 sector that ONS places, 1 are at medium risk at worst, 8 are at low risk at worst and 227 are not on the Environment Agency's at-risk list. Places named: Chippenham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A350 SN15 1AA: not on the flood risk listSN15 1AB: not on the flood risk listSN15 1AD: not on the flood risk listSN15 1AE: not on the flood risk listSN15 1AF: not on the flood risk listSN15 1AG: not on the flood risk listSN15 1AH: not on the flood risk listSN15 1AJ: not on the flood risk listSN15 1AL: not on the flood risk listSN15 1AN: not on the flood risk listSN15 1AP: not on the flood risk listSN15 1AQ: not on the flood risk listSN15 1AR: not on the flood risk listSN15 1AS: not on the flood risk listSN15 1AT: not on the flood risk listSN15 1AU: not on the flood risk listSN15 1AW: not on the flood risk listSN15 1AX: not on the flood risk listSN15 1AY: not on the flood risk listSN15 1AZ: not on the flood risk listSN15 1BA: not on the flood risk listSN15 1BB: not on the flood risk listSN15 1BD: not on the flood risk listSN15 1BE: not on the flood risk listSN15 1BG: not on the flood risk listSN15 1BH: not on the flood risk listSN15 1BJ: not on the flood risk listSN15 1BL: not on the flood risk listSN15 1BN: not on the flood risk listSN15 1BP: not on the flood risk listSN15 1BQ: not on the flood risk listSN15 1BS: not on the flood risk listSN15 1BT: not on the flood risk listSN15 1BU: not on the flood risk listSN15 1BX: not on the flood risk listSN15 1BY: not on the flood risk listSN15 1BZ: not on the flood risk listSN15 1DA: not on the flood risk listSN15 1DB: not on the flood risk listSN15 1DD: not on the flood risk listSN15 1DE: not on the flood risk listSN15 1DF: not on the flood risk listSN15 1DG: not on the flood risk listSN15 1DH: not on the flood risk listSN15 1DJ: not on the flood risk listSN15 1DL: not on the flood risk listSN15 1DN: not on the flood risk listSN15 1DQ: not on the flood risk listSN15 1DR: not on the flood risk listSN15 1DS: not on the flood risk listSN15 1DT: not on the flood risk listSN15 1DU: not on the flood risk listSN15 1DW: not on the flood risk listSN15 1DX: not on the flood risk listSN15 1DY: not on the flood risk listSN15 1DZ: not on the flood risk listSN15 1EA: not on the flood risk listSN15 1EB: not on the flood risk listSN15 1ED: not on the flood risk listSN15 1EG: not on the flood risk listSN15 1EL: not on the flood risk listSN15 1EN: not on the flood risk listSN15 1EP: not on the flood risk listSN15 1EQ: not on the flood risk listSN15 1EU: not on the flood risk listSN15 1FB: not on the flood risk listSN15 1FD: not on the flood risk listSN15 1FE: not on the flood risk listSN15 1FF: not on the flood risk listSN15 1FG: not on the flood risk listSN15 1FJ: not on the flood risk listSN15 1FL: not on the flood risk listSN15 1FN: not on the flood risk listSN15 1FP: not on the flood risk listSN15 1FQ: not on the flood risk listSN15 1FR: not on the flood risk listSN15 1FS: not on the flood risk listSN15 1FT: not on the flood risk listSN15 1FU: not on the flood risk listSN15 1FW: not on the flood risk listSN15 1FX: not on the flood risk listSN15 1FY: not on the flood risk listSN15 1FZ: not on the flood risk listSN15 1GB: not on the flood risk listSN15 1GD: not on the flood risk listSN15 1GE: not on the flood risk listSN15 1GG: not on the flood risk listSN15 1GJ: not on the flood risk listSN15 1GP: not on the flood risk listSN15 1GR: not on the flood risk listSN15 1GS: not on the flood risk listSN15 1GT: not on the flood risk listSN15 1GU: not on the flood risk listSN15 1HE: not on the flood risk listSN15 1HF: not on the flood risk listSN15 1HG: not on the flood risk listSN15 1HH: not on the flood risk listSN15 1HJ: not on the flood risk listSN15 1HL: not on the flood risk listSN15 1HN: not on the flood risk listSN15 1HP: not on the flood risk listSN15 1HS: not on the flood risk listSN15 1HW: not on the flood risk listSN15 1HZ: not on the flood risk listSN15 1JA: not on the flood risk listSN15 1JB: not on the flood risk listSN15 1JF: not on the flood risk listSN15 1JG: not on the flood risk listSN15 1JR: not on the flood risk listSN15 1JS: not on the flood risk listSN15 1JT: not on the flood risk listSN15 1JW: not on the flood risk listSN15 1JX: not on the flood risk listSN15 1JY: not on the flood risk listSN15 1JZ: not on the flood risk listSN15 1LD: not on the flood risk listSN15 1LE: not on the flood risk listSN15 1LG: not on the flood risk listSN15 1LH: not on the flood risk listSN15 1LJ: not on the flood risk listSN15 1LL: not on the flood risk listSN15 1LN: not on the flood risk listSN15 1LP: not on the flood risk listSN15 1LR: not on the flood risk listSN15 1LS: not on the flood risk listSN15 1LT: not on the flood risk listSN15 1LU: not on the flood risk listSN15 1LW: not on the flood risk listSN15 1LX: not on the flood risk listSN15 1NB: not on the flood risk listSN15 1ND: not on the flood risk listSN15 1NG: not on the flood risk listSN15 1NH: not on the flood risk listSN15 1NJ: not on the flood risk listSN15 1NL: not on the flood risk listSN15 1NN: not on the flood risk listSN15 1NP: not on the flood risk listSN15 1NQ: not on the flood risk listSN15 1NR: not on the flood risk listSN15 1NS: not on the flood risk listSN15 1NT: not on the flood risk listSN15 1NU: not on the flood risk listSN15 1NW: not on the flood risk listSN15 1NX: not on the flood risk listSN15 1NZ: not on the flood risk listSN15 1PA: not on the flood risk listSN15 1PB: not on the flood risk listSN15 1PD: not on the flood risk listSN15 1PF: not on the flood risk listSN15 1PG: not on the flood risk listSN15 1PH: not on the flood risk listSN15 1PJ: not on the flood risk listSN15 1PL: not on the flood risk listSN15 1PN: not on the flood risk listSN15 1PQ: not on the flood risk listSN15 1PR: not on the flood risk listSN15 1PS: not on the flood risk listSN15 1PT: not on the flood risk listSN15 1PU: not on the flood risk listSN15 1PW: not on the flood risk listSN15 1PX: not on the flood risk listSN15 1PY: not on the flood risk listSN15 1PZ: not on the flood risk listSN15 1QA: not on the flood risk listSN15 1QB: not on the flood risk listSN15 1QD: not on the flood risk listSN15 1QE: not on the flood risk listSN15 1QF: not on the flood risk listSN15 1QG: not on the flood risk listSN15 1QH: not on the flood risk listSN15 1QJ: not on the flood risk listSN15 1QP: not on the flood risk listSN15 1QQ: not on the flood risk listSN15 1QR: not on the flood risk listSN15 1QS: not on the flood risk listSN15 1QT: not on the flood risk listSN15 1QU: not on the flood risk listSN15 1QW: not on the flood risk listSN15 1QX: not on the flood risk listSN15 1QY: not on the flood risk listSN15 1QZ: not on the flood risk listSN15 1RB: not on the flood risk listSN15 1RD: not on the flood risk listSN15 1RE: not on the flood risk listSN15 1RF: not on the flood risk listSN15 1RG: not on the flood risk listSN15 1RH: not on the flood risk listSN15 1RJ: not on the flood risk listSN15 1RL: not on the flood risk listSN15 1RN: not on the flood risk listSN15 1RQ: not on the flood risk listSN15 1RR: not on the flood risk listSN15 1RS: not on the flood risk listSN15 1RU: not on the flood risk listSN15 1RW: not on the flood risk listSN15 1RZ: not on the flood risk listSN15 1SB: not on the flood risk listSN15 1SZ: not on the flood risk listSN15 1TE: not on the flood risk listSN15 1TF: not on the flood risk listSN15 1TG: not on the flood risk listSN15 1TH: not on the flood risk listSN15 1UA: not on the flood risk listSN15 1UB: not on the flood risk listSN15 1UD: not on the flood risk listSN15 1UE: not on the flood risk listSN15 1UF: not on the flood risk listSN15 1UG: not on the flood risk listSN15 1UH: not on the flood risk listSN15 1UJ: not on the flood risk listSN15 1UL: not on the flood risk listSN15 1UN: not on the flood risk listSN15 1UP: not on the flood risk listSN15 1UQ: not on the flood risk listSN15 1UR: not on the flood risk listSN15 1US: not on the flood risk listSN15 1UT: not on the flood risk listSN15 1UU: not on the flood risk listSN15 1UW: not on the flood risk listSN15 1UX: not on the flood risk listSN15 1WE: not on the flood risk listSN15 1EE: low flood risk at worstSN15 1EJ: low flood risk at worstSN15 1ER: low flood risk at worstSN15 1ES: low flood risk at worstSN15 1EX: low flood risk at worstSN15 1HB: low flood risk at worstSN15 1HD: low flood risk at worstSN15 1HA: medium flood risk at worst Chippenham Map of every postcode in the SN15 1 sector, by flood risk Of the 236 postcodes in the SN15 1 sector that ONS places, 1 are at medium risk at worst, 8 are at low risk at worst and 227 are not on the Environment Agency's at-risk list. Places named: Chippenham. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A350 Chippenham
  • A home or business at high risk: 0
  • At medium risk at worst: 1
  • At low risk at worst: 8
  • At very low risk only: 0
  • Not on the at-risk list: 227

Of the 236 postcodes in the SN15 1 sector that ONS places, 1 are at medium risk at worst, 8 are at low risk at worst and 227 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 medium risk at worst

Beside each: how many of its homes and businesses the Environment Agency puts at that risk.

SN15 1HA7 at medium risk

What do homes sell for in SN15 1?

Homes in SN15 1 sold for a typical £315,000 in the 12 months to August 2026, across 116 sales, up 7.7% on the 12 months before, HM Land Registry's figures show.

£315,000 typical price, the 12 months to August 2026
£292,500 12 months to August 2025
▲ up 7.7% on the 12 months before
  • Detached £507,500 26 sales
  • Semi-detached £325,000 40 sales
  • Terraced £272,000 38 sales
  • Flat or maisonette £155,750 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 SN15 1. 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 1

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 1AASN15 1ABSN15 1ADSN15 1AESN15 1AFSN15 1AGSN15 1AHSN15 1AJSN15 1ALSN15 1ANSN15 1APSN15 1AQSN15 1ARSN15 1ASSN15 1ATSN15 1AUSN15 1AWSN15 1AXSN15 1AYSN15 1AZSN15 1BASN15 1BBSN15 1BDSN15 1BESN15 1BGSN15 1BHSN15 1BJSN15 1BLSN15 1BNSN15 1BPSN15 1BQSN15 1BSSN15 1BTSN15 1BUSN15 1BXSN15 1BYSN15 1BZSN15 1DASN15 1DBSN15 1DDSN15 1DESN15 1DFSN15 1DGSN15 1DHSN15 1DJSN15 1DLSN15 1DNSN15 1DQSN15 1DRSN15 1DSSN15 1DTSN15 1DUSN15 1DWSN15 1DXSN15 1DYSN15 1DZSN15 1EASN15 1EBSN15 1EDSN15 1EESN15 1EGSN15 1EJSN15 1ELSN15 1ENSN15 1EPSN15 1EQSN15 1ERSN15 1ESSN15 1EUSN15 1EXSN15 1FBSN15 1FDSN15 1FESN15 1FFSN15 1FGSN15 1FHSN15 1FJSN15 1FLSN15 1FNSN15 1FPSN15 1FQSN15 1FRSN15 1FSSN15 1FTSN15 1FUSN15 1FWSN15 1FXSN15 1FYSN15 1FZSN15 1GBSN15 1GDSN15 1GESN15 1GGSN15 1GHSN15 1GJSN15 1GPSN15 1GRSN15 1GSSN15 1GTSN15 1GUSN15 1HASN15 1HBSN15 1HDSN15 1HESN15 1HFSN15 1HGSN15 1HHSN15 1HJSN15 1HLSN15 1HNSN15 1HPSN15 1HSSN15 1HWSN15 1HZSN15 1JASN15 1JBSN15 1JDSN15 1JFSN15 1JGSN15 1JLSN15 1JRSN15 1JSSN15 1JTSN15 1JWSN15 1JXSN15 1JYSN15 1JZSN15 1LDSN15 1LESN15 1LGSN15 1LHSN15 1LJSN15 1LLSN15 1LNSN15 1LPSN15 1LRSN15 1LSSN15 1LTSN15 1LUSN15 1LWSN15 1LXSN15 1NBSN15 1NDSN15 1NGSN15 1NHSN15 1NJSN15 1NLSN15 1NNSN15 1NPSN15 1NQSN15 1NRSN15 1NSSN15 1NTSN15 1NUSN15 1NWSN15 1NXSN15 1NZSN15 1PASN15 1PBSN15 1PDSN15 1PFSN15 1PGSN15 1PHSN15 1PJSN15 1PLSN15 1PNSN15 1PQSN15 1PRSN15 1PSSN15 1PTSN15 1PUSN15 1PWSN15 1PXSN15 1PYSN15 1PZSN15 1QASN15 1QBSN15 1QDSN15 1QESN15 1QFSN15 1QGSN15 1QHSN15 1QJSN15 1QPSN15 1QQSN15 1QRSN15 1QSSN15 1QTSN15 1QUSN15 1QWSN15 1QXSN15 1QYSN15 1QZSN15 1RBSN15 1RDSN15 1RESN15 1RFSN15 1RGSN15 1RHSN15 1RJSN15 1RLSN15 1RNSN15 1RQSN15 1RRSN15 1RSSN15 1RTSN15 1RUSN15 1RWSN15 1RZSN15 1SBSN15 1SZSN15 1TESN15 1TFSN15 1TGSN15 1THSN15 1UASN15 1UBSN15 1UDSN15 1UESN15 1UFSN15 1UGSN15 1UHSN15 1UJSN15 1ULSN15 1UNSN15 1UPSN15 1UQSN15 1URSN15 1USSN15 1UTSN15 1UUSN15 1UWSN15 1UXSN15 1WESN15 1WTSN15 1ZR

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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