SW1W 9 postcode sector in the SW1W district

SW1W 9 is a sector of the SW1W district: every postcode that starts SW1W 9. It has 110 postcodes in use, 9 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 SW1W 9 sector, by flood risk

Map of every postcode in the SW1W 9 sector, by flood risk Of the 110 postcodes in the SW1W 9 sector that ONS places, 2 are at very low risk only and 108 are not on the Environment Agency's at-risk list. Places named: Knightsbridge & Belgravia. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A3212A3216A302A3205 SW1W 9AA: not on the flood risk listSW1W 9AD: not on the flood risk listSW1W 9AG: not on the flood risk listSW1W 9AH: not on the flood risk listSW1W 9AL: not on the flood risk listSW1W 9AP: not on the flood risk listSW1W 9AQ: not on the flood risk listSW1W 9AR: not on the flood risk listSW1W 9AS: not on the flood risk listSW1W 9AW: not on the flood risk listSW1W 9AX: not on the flood risk listSW1W 9AZ: not on the flood risk listSW1W 9BA: not on the flood risk listSW1W 9BD: not on the flood risk listSW1W 9BE: not on the flood risk listSW1W 9BG: not on the flood risk listSW1W 9BJ: not on the flood risk listSW1W 9BQ: not on the flood risk listSW1W 9DA: not on the flood risk listSW1W 9DB: not on the flood risk listSW1W 9DD: not on the flood risk listSW1W 9DE: not on the flood risk listSW1W 9DF: not on the flood risk listSW1W 9DH: not on the flood risk listSW1W 9DP: not on the flood risk listSW1W 9DS: not on the flood risk listSW1W 9DU: not on the flood risk listSW1W 9DY: not on the flood risk listSW1W 9EA: not on the flood risk listSW1W 9EF: not on the flood risk listSW1W 9EG: not on the flood risk listSW1W 9EH: not on the flood risk listSW1W 9EL: not on the flood risk listSW1W 9EN: not on the flood risk listSW1W 9EP: not on the flood risk listSW1W 9EQ: not on the flood risk listSW1W 9ER: not on the flood risk listSW1W 9ES: not on the flood risk listSW1W 9ET: not on the flood risk listSW1W 9HH: not on the flood risk listSW1W 9HJ: not on the flood risk listSW1W 9HP: not on the flood risk listSW1W 9HR: not on the flood risk listSW1W 9HS: not on the flood risk listSW1W 9HT: not on the flood risk listSW1W 9JA: not on the flood risk listSW1W 9JB: not on the flood risk listSW1W 9JD: not on the flood risk listSW1W 9JE: not on the flood risk listSW1W 9JF: not on the flood risk listSW1W 9JH: not on the flood risk listSW1W 9JJ: not on the flood risk listSW1W 9JL: not on the flood risk listSW1W 9JR: not on the flood risk listSW1W 9JS: not on the flood risk listSW1W 9JT: not on the flood risk listSW1W 9JU: not on the flood risk listSW1W 9JX: not on the flood risk listSW1W 9LN: not on the flood risk listSW1W 9LS: not on the flood risk listSW1W 9LT: not on the flood risk listSW1W 9LX: not on the flood risk listSW1W 9ND: not on the flood risk listSW1W 9NE: not on the flood risk listSW1W 9NF: not on the flood risk listSW1W 9NP: not on the flood risk listSW1W 9NS: not on the flood risk listSW1W 9NU: not on the flood risk listSW1W 9NX: not on the flood risk listSW1W 9NY: not on the flood risk listSW1W 9NZ: not on the flood risk listSW1W 9PA: not on the flood risk listSW1W 9PB: not on the flood risk listSW1W 9PD: not on the flood risk listSW1W 9PE: not on the flood risk listSW1W 9PG: not on the flood risk listSW1W 9PJ: not on the flood risk listSW1W 9PP: not on the flood risk listSW1W 9PY: not on the flood risk listSW1W 9QA: not on the flood risk listSW1W 9QB: not on the flood risk listSW1W 9QD: not on the flood risk listSW1W 9QG: not on the flood risk listSW1W 9QJ: not on the flood risk listSW1W 9QN: not on the flood risk listSW1W 9QQ: not on the flood risk listSW1W 9QU: not on the flood risk listSW1W 9RB: not on the flood risk listSW1W 9RH: not on the flood risk listSW1W 9RP: not on the flood risk listSW1W 9SA: not on the flood risk listSW1W 9SH: not on the flood risk listSW1W 9SJ: not on the flood risk listSW1W 9ST: not on the flood risk listSW1W 9SX: not on the flood risk listSW1W 9TJ: not on the flood risk listSW1W 9TN: not on the flood risk listSW1W 9TP: not on the flood risk listSW1W 9TQ: not on the flood risk listSW1W 9TR: not on the flood risk listSW1W 9UD: not on the flood risk listSW1W 9XA: not on the flood risk listSW1W 9SP: very low flood risk onlySW1W 9TB: very low flood risk only Knightsbridge & Belgravia Map of every postcode in the SW1W 9 sector, by flood risk Of the 110 postcodes in the SW1W 9 sector that ONS places, 2 are at very low risk only and 108 are not on the Environment Agency's at-risk list. Places named: Knightsbridge & Belgravia. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A3212 Knightsbridge & Belgravia
  • A home or business at high risk: 0
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 2
  • Not on the at-risk list: 108

Of the 110 postcodes in the SW1W 9 sector that ONS places, 2 are at very low risk only and 108 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

What do homes sell for in SW1W 9?

Homes in SW1W 9 sold for a typical £2,087,500 in the 12 months to August 2026, across 22 sales, down 29.2% on the 12 months before, HM Land Registry's figures show.

£2,087,500 typical price, the 12 months to August 2026
£2,950,000 12 months to August 2025
▼ down 29.2% on the 12 months before
  • Terraced £2,450,000 9 sales
  • Flat or maisonette £1,222,000 13 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 SW1W 9. 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 SW1W 9

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.

SW1W 9AASW1W 9ADSW1W 9AESW1W 9AGSW1W 9AHSW1W 9ALSW1W 9APSW1W 9AQSW1W 9ARSW1W 9ASSW1W 9AWSW1W 9AXSW1W 9AZSW1W 9BASW1W 9BDSW1W 9BESW1W 9BGSW1W 9BJSW1W 9BQSW1W 9DASW1W 9DBSW1W 9DDSW1W 9DESW1W 9DFSW1W 9DHSW1W 9DPSW1W 9DSSW1W 9DUSW1W 9DYSW1W 9EASW1W 9EFSW1W 9EGSW1W 9EHSW1W 9ELSW1W 9ENSW1W 9EPSW1W 9EQSW1W 9ERSW1W 9ESSW1W 9ETSW1W 9HHSW1W 9HJSW1W 9HPSW1W 9HRSW1W 9HSSW1W 9HTSW1W 9JASW1W 9JBSW1W 9JDSW1W 9JESW1W 9JFSW1W 9JHSW1W 9JJSW1W 9JLSW1W 9JRSW1W 9JSSW1W 9JTSW1W 9JUSW1W 9JXSW1W 9LNSW1W 9LSSW1W 9LTSW1W 9LXSW1W 9NDSW1W 9NESW1W 9NFSW1W 9NPSW1W 9NSSW1W 9NUSW1W 9NXSW1W 9NYSW1W 9NZSW1W 9PASW1W 9PBSW1W 9PDSW1W 9PESW1W 9PGSW1W 9PJSW1W 9PPSW1W 9PYSW1W 9QASW1W 9QBSW1W 9QDSW1W 9QGSW1W 9QJSW1W 9QLSW1W 9QNSW1W 9QQSW1W 9QUSW1W 9RBSW1W 9RHSW1W 9RPSW1W 9SASW1W 9SHSW1W 9SJSW1W 9SLSW1W 9SPSW1W 9STSW1W 9SUSW1W 9SXSW1W 9SZSW1W 9TBSW1W 9TJSW1W 9TNSW1W 9TPSW1W 9TQSW1W 9TRSW1W 9UDSW1W 9XASW1W 9ZQ

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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