SN1 5 postcode sector in the SN1 district

SN1 5 is a sector of the SN1 district: every postcode that starts SN1 5. It has 130 postcodes in use, 3 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 SN1 5 sector, by flood risk

Map of every postcode in the SN1 5 sector, by flood risk Of the 130 postcodes in the SN1 5 sector that ONS places, 1 have a home or business at high risk and 129 are not on the Environment Agency's at-risk list. Places named: Queen's Park, Kingshill. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. SN1 5AA: not on the flood risk listSN1 5AB: not on the flood risk listSN1 5AE: not on the flood risk listSN1 5AH: not on the flood risk listSN1 5AJ: not on the flood risk listSN1 5AL: not on the flood risk listSN1 5AP: not on the flood risk listSN1 5AR: not on the flood risk listSN1 5AY: not on the flood risk listSN1 5AZ: not on the flood risk listSN1 5BG: not on the flood risk listSN1 5BJ: not on the flood risk listSN1 5BN: not on the flood risk listSN1 5BP: not on the flood risk listSN1 5BS: not on the flood risk listSN1 5BT: not on the flood risk listSN1 5BX: not on the flood risk listSN1 5BY: not on the flood risk listSN1 5DA: not on the flood risk listSN1 5DB: not on the flood risk listSN1 5DE: not on the flood risk listSN1 5DG: not on the flood risk listSN1 5DH: not on the flood risk listSN1 5DJ: not on the flood risk listSN1 5DL: not on the flood risk listSN1 5DN: not on the flood risk listSN1 5DP: not on the flood risk listSN1 5DQ: not on the flood risk listSN1 5DR: not on the flood risk listSN1 5DT: not on the flood risk listSN1 5DU: not on the flood risk listSN1 5DX: not on the flood risk listSN1 5ED: not on the flood risk listSN1 5EE: not on the flood risk listSN1 5EF: not on the flood risk listSN1 5EG: not on the flood risk listSN1 5EH: not on the flood risk listSN1 5EL: not on the flood risk listSN1 5EN: not on the flood risk listSN1 5EP: not on the flood risk listSN1 5EQ: not on the flood risk listSN1 5ER: not on the flood risk listSN1 5ET: not on the flood risk listSN1 5EU: not on the flood risk listSN1 5EW: not on the flood risk listSN1 5EX: not on the flood risk listSN1 5EY: not on the flood risk listSN1 5EZ: not on the flood risk listSN1 5FA: not on the flood risk listSN1 5FB: not on the flood risk listSN1 5FE: not on the flood risk listSN1 5FF: not on the flood risk listSN1 5HA: not on the flood risk listSN1 5HB: not on the flood risk listSN1 5HD: not on the flood risk listSN1 5HE: not on the flood risk listSN1 5HF: not on the flood risk listSN1 5HG: not on the flood risk listSN1 5HH: not on the flood risk listSN1 5HJ: not on the flood risk listSN1 5HL: not on the flood risk listSN1 5HN: not on the flood risk listSN1 5HP: not on the flood risk listSN1 5HQ: not on the flood risk listSN1 5HR: not on the flood risk listSN1 5HS: not on the flood risk listSN1 5HU: not on the flood risk listSN1 5HW: not on the flood risk listSN1 5HX: not on the flood risk listSN1 5HZ: not on the flood risk listSN1 5JA: not on the flood risk listSN1 5JD: not on the flood risk listSN1 5JE: not on the flood risk listSN1 5JF: not on the flood risk listSN1 5JH: not on the flood risk listSN1 5JL: not on the flood risk listSN1 5JP: not on the flood risk listSN1 5JS: not on the flood risk listSN1 5JT: not on the flood risk listSN1 5JU: not on the flood risk listSN1 5JX: not on the flood risk listSN1 5JZ: not on the flood risk listSN1 5LA: not on the flood risk listSN1 5LB: not on the flood risk listSN1 5LD: not on the flood risk listSN1 5LE: not on the flood risk listSN1 5LF: not on the flood risk listSN1 5LG: not on the flood risk listSN1 5LH: not on the flood risk listSN1 5LJ: not on the flood risk listSN1 5LL: not on the flood risk listSN1 5LQ: not on the flood risk listSN1 5LR: not on the flood risk listSN1 5LT: not on the flood risk listSN1 5LW: not on the flood risk listSN1 5NA: not on the flood risk listSN1 5NB: not on the flood risk listSN1 5ND: not on the flood risk listSN1 5NF: not on the flood risk listSN1 5NS: not on the flood risk listSN1 5NX: not on the flood risk listSN1 5PA: not on the flood risk listSN1 5PL: not on the flood risk listSN1 5QH: not on the flood risk listSN1 5QJ: not on the flood risk listSN1 5QL: not on the flood risk listSN1 5QN: not on the flood risk listSN1 5QP: not on the flood risk listSN1 5QR: not on the flood risk listSN1 5QS: not on the flood risk listSN1 5QT: not on the flood risk listSN1 5QU: not on the flood risk listSN1 5QW: not on the flood risk listSN1 5QX: not on the flood risk listSN1 5QY: not on the flood risk listSN1 5QZ: not on the flood risk listSN1 5RN: not on the flood risk listSN1 5ES: high flood risk Queen's ParkKingshill Map of every postcode in the SN1 5 sector, by flood risk Of the 130 postcodes in the SN1 5 sector that ONS places, 1 have a home or business at high risk and 129 are not on the Environment Agency's at-risk list. Places named: Swindon. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A4289A4259A4361 Swindon
  • A home or business at high risk: 1
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 0
  • Not on the at-risk list: 129

Of the 130 postcodes in the SN1 5 sector that ONS places, 1 have a home or business at high risk and 129 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. Names in italics are council wards: we hold no town or village names here.

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.

SN1 5ES2 at high risk

What do homes sell for in SN1 5?

Homes in SN1 5 sold for a typical £200,000 in the 12 months to August 2026, across 55 sales, no change on the 12 months before, HM Land Registry's figures show.

£200,000 typical price, the 12 months to August 2026
£200,000 12 months to August 2025
■ no change on the 12 months before
  • Semi-detached 2 sales, too few to price
  • Terraced £201,000 44 sales
  • Flat or maisonette £110,000 9 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 SN1 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 SN1 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.

SN1 5AASN1 5ABSN1 5ADSN1 5AESN1 5AFSN1 5AHSN1 5AJSN1 5ALSN1 5APSN1 5ARSN1 5AWSN1 5AYSN1 5AZSN1 5BGSN1 5BJSN1 5BNSN1 5BPSN1 5BSSN1 5BTSN1 5BUSN1 5BXSN1 5BYSN1 5BZSN1 5DASN1 5DBSN1 5DESN1 5DGSN1 5DHSN1 5DJSN1 5DLSN1 5DNSN1 5DPSN1 5DQSN1 5DRSN1 5DTSN1 5DUSN1 5DXSN1 5EDSN1 5EESN1 5EFSN1 5EGSN1 5EHSN1 5ELSN1 5ENSN1 5EPSN1 5EQSN1 5ERSN1 5ESSN1 5ETSN1 5EUSN1 5EWSN1 5EXSN1 5EYSN1 5EZSN1 5FASN1 5FBSN1 5FESN1 5FFSN1 5HASN1 5HBSN1 5HDSN1 5HESN1 5HFSN1 5HGSN1 5HHSN1 5HJSN1 5HLSN1 5HNSN1 5HPSN1 5HQSN1 5HRSN1 5HSSN1 5HTSN1 5HUSN1 5HWSN1 5HXSN1 5HZSN1 5JASN1 5JDSN1 5JESN1 5JFSN1 5JHSN1 5JJSN1 5JLSN1 5JPSN1 5JRSN1 5JSSN1 5JTSN1 5JUSN1 5JXSN1 5JZSN1 5LASN1 5LBSN1 5LDSN1 5LESN1 5LFSN1 5LGSN1 5LHSN1 5LJSN1 5LLSN1 5LNSN1 5LPSN1 5LQSN1 5LRSN1 5LTSN1 5LWSN1 5NASN1 5NBSN1 5NDSN1 5NFSN1 5NSSN1 5NXSN1 5PASN1 5PDSN1 5PLSN1 5QHSN1 5QJSN1 5QLSN1 5QNSN1 5QPSN1 5QRSN1 5QSSN1 5QTSN1 5QUSN1 5QWSN1 5QXSN1 5QYSN1 5QZSN1 5RNSN1 5TY

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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