SW1A 2 postcode sector in the SW1A district

SW1A 2 is a sector of the SW1A district: every postcode that starts SW1A 2. It has 75 postcodes in use, 41 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 SW1A 2 sector, by flood risk

Map of every postcode in the SW1A 2 sector, by flood risk Of the 75 postcodes in the SW1A 2 sector that ONS places, 2 have a home or business at high risk, 43 are at very low risk only and 30 are not on the Environment Agency's at-risk list. Places named: St James's. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A302A3211A400 SW1A 2AB: not on the flood risk listSW1A 2BA: not on the flood risk listSW1A 2BB: not on the flood risk listSW1A 2BH: not on the flood risk listSW1A 2BL: not on the flood risk listSW1A 2BQ: not on the flood risk listSW1A 2BT: not on the flood risk listSW1A 2DA: not on the flood risk listSW1A 2DR: not on the flood risk listSW1A 2DX: not on the flood risk listSW1A 2EF: not on the flood risk listSW1A 2EH: not on the flood risk listSW1A 2EJ: not on the flood risk listSW1A 2HQ: not on the flood risk listSW1A 2HU: not on the flood risk listSW1A 2JX: not on the flood risk listSW1A 2NL: not on the flood risk listSW1A 2PW: not on the flood risk listSW1A 2SH: not on the flood risk listSW1A 2TS: not on the flood risk listSW1A 2WH: not on the flood risk listSW1A 2AA: very low flood risk onlySW1A 2AD: very low flood risk onlySW1A 2AE: very low flood risk onlySW1A 2AG: very low flood risk onlySW1A 2AH: very low flood risk onlySW1A 2AQ: very low flood risk onlySW1A 2AU: very low flood risk onlySW1A 2AW: very low flood risk onlySW1A 2AX: very low flood risk onlySW1A 2AY: very low flood risk onlySW1A 2BD: very low flood risk onlySW1A 2BE: very low flood risk onlySW1A 2BJ: very low flood risk onlySW1A 2BS: very low flood risk onlySW1A 2BX: very low flood risk onlySW1A 2DD: very low flood risk onlySW1A 2DG: very low flood risk onlySW1A 2EG: very low flood risk onlySW1A 2EP: very low flood risk onlySW1A 2ER: very low flood risk onlySW1A 2ET: very low flood risk onlySW1A 2EX: very low flood risk onlySW1A 2HB: very low flood risk onlySW1A 2HD: very low flood risk onlySW1A 2HJ: very low flood risk onlySW1A 2HN: very low flood risk onlySW1A 2HP: very low flood risk onlySW1A 2HZ: very low flood risk onlySW1A 2JF: very low flood risk onlySW1A 2JJ: very low flood risk onlySW1A 2JL: very low flood risk onlySW1A 2JN: very low flood risk onlySW1A 2JR: very low flood risk onlySW1A 2LW: very low flood risk onlySW1A 2LZ: very low flood risk onlySW1A 2NE: very low flood risk onlySW1A 2NH: very low flood risk onlySW1A 2HR: high flood riskSW1A 2JH: high flood risk St James's Map of every postcode in the SW1A 2 sector, by flood risk Of the 75 postcodes in the SW1A 2 sector that ONS places, 2 have a home or business at high risk, 43 are at very low risk only and 30 are not on the Environment Agency's at-risk list. Places named: St James's. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A302 St James's
  • A home or business at high risk: 2
  • At medium risk at worst: 0
  • At low risk at worst: 0
  • At very low risk only: 43
  • Not on the at-risk list: 30

Of the 75 postcodes in the SW1A 2 sector that ONS places, 2 have a home or business at high risk, 43 are at very low risk only and 30 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.

SW1A 2JH5 at high riskSW1A 2HR1 at high risk

What do homes sell for in SW1A 2?

HM Land Registry records no standard sales of homes in SW1A 2 in the 12 months to August 2026.

Standard sales of homes at market value at the postcodes that start SW1A 2. 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 SW1A 2

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.

SW1A 2AASW1A 2ABSW1A 2ADSW1A 2AESW1A 2AGSW1A 2AHSW1A 2ALSW1A 2ANSW1A 2AQSW1A 2ASSW1A 2ATSW1A 2AUSW1A 2AWSW1A 2AXSW1A 2AYSW1A 2BASW1A 2BBSW1A 2BDSW1A 2BESW1A 2BHSW1A 2BJSW1A 2BLSW1A 2BQSW1A 2BSSW1A 2BTSW1A 2BXSW1A 2BYSW1A 2DASW1A 2DBSW1A 2DDSW1A 2DGSW1A 2DLSW1A 2DRSW1A 2DXSW1A 2DYSW1A 2EFSW1A 2EGSW1A 2EHSW1A 2EJSW1A 2ELSW1A 2EPSW1A 2ERSW1A 2ESSW1A 2ETSW1A 2EXSW1A 2HBSW1A 2HDSW1A 2HESW1A 2HJSW1A 2HNSW1A 2HPSW1A 2HQSW1A 2HRSW1A 2HUSW1A 2HZSW1A 2JFSW1A 2JHSW1A 2JJSW1A 2JLSW1A 2JNSW1A 2JRSW1A 2JXSW1A 2LWSW1A 2LZSW1A 2NESW1A 2NHSW1A 2NLSW1A 2NPSW1A 2NUSW1A 2PASW1A 2PWSW1A 2SHSW1A 2TSSW1A 2TTSW1A 2WH

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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