SW1H 9 postcode sector in the SW1H district

SW1H 9 is a sector of the SW1H district: every postcode that starts SW1H 9. It has 41 postcodes in use, 8 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 SW1H 9 sector, by flood risk

Map of every postcode in the SW1H 9 sector, by flood risk Of the 41 postcodes in the SW1H 9 sector that ONS places, 30 are at very low risk only and 11 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: St James's. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A3212A302A3214 SW1H 9AD: not on the flood risk listSW1H 9AG: not on the flood risk listSW1H 9AP: not on the flood risk listSW1H 9BU: not on the flood risk listSW1H 9AA: very low flood risk onlySW1H 9AB: very low flood risk onlySW1H 9AH: very low flood risk onlySW1H 9BL: very low flood risk onlySW1H 9BP: very low flood risk onlySW1H 9NA: very low flood risk onlySW1H 9DJ: very low flood risk onlySW1H 9DP: very low flood risk onlySW1H 9EA: very low flood risk onlySW1H 9ET: very low flood risk onlySW1H 9EU: very low flood risk onlySW1H 9EX: very low flood risk onlySW1H 9HE: very low flood risk onlySW1H 9HP: very low flood risk onlySW1H 9NP: very low flood risk onlySW1H 9JA: very low flood risk onlySW1H 9JH: very low flood risk onlySW1H 9JX: very low flood risk onlySW1H 9JY: very low flood risk onlySW1H 9LA: very low flood risk onlySW1H 9LH: very low flood risk onlySW1H 9LL: very low flood risk onlySW1H 9LQ: very low flood risk onlySW1H 9NB: very low flood risk onlySW1H 9NE: very low flood risk onlySW1H 9NH: very low flood risk onlySW1H 9NJ: very low flood risk onlySW1H 9NS: very low flood risk only St James's Map of every postcode in the SW1H 9 sector, by flood risk Of the 41 postcodes in the SW1H 9 sector that ONS places, 30 are at very low risk only and 11 are not on the Environment Agency's at-risk list. One postcode lies beyond the edge and is listed under the map. Places named: St James's. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. St James's
  • 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: 30
  • Not on the at-risk list: 11

Of the 41 postcodes in the SW1H 9 sector that ONS places, 30 are at very low risk only and 11 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

Further out, not drawn

This postcode lies well apart from the rest, so the map is drawn without it to show the rest closer; it is in every count.

SW1H 9ZQ

What do homes sell for in SW1H 9?

Homes in SW1H 9 sold for a typical £515,000 in the 12 months to August 2026, across 7 sales, up 18.9% on the 12 months before, HM Land Registry's figures show.

£515,000 typical price, the 12 months to August 2026
£433,000 12 months to August 2025
▲ up 18.9% on the 12 months before
  • Flat or maisonette £515,000 7 sales

Standard sales of homes at market value at the postcodes that start SW1H 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 SW1H 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.

SW1H 9AASW1H 9ABSW1H 9ADSW1H 9AGSW1H 9AHSW1H 9AJSW1H 9APSW1H 9BLSW1H 9BPSW1H 9BUSW1H 9DASW1H 9DJSW1H 9DPSW1H 9EASW1H 9ETSW1H 9EUSW1H 9EXSW1H 9GLSW1H 9HESW1H 9HFSW1H 9HGSW1H 9HPSW1H 9HQSW1H 9JASW1H 9JHSW1H 9JJSW1H 9JXSW1H 9JYSW1H 9LASW1H 9LHSW1H 9LLSW1H 9LQSW1H 9NASW1H 9NBSW1H 9NESW1H 9NHSW1H 9NJSW1H 9NPSW1H 9NQSW1H 9NSSW1H 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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