SW1Y 6 postcode sector in the SW1Y district

SW1Y 6 is a sector of the SW1Y district: every postcode that starts SW1Y 6. It has 67 postcodes in use, 11 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 SW1Y 6 sector, by flood risk

Map of every postcode in the SW1Y 6 sector, by flood risk Of the 67 postcodes in the SW1Y 6 sector that ONS places, 67 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. A4A4201 SW1Y 6AA: not on the flood risk listSW1Y 6AB: not on the flood risk listSW1Y 6AE: not on the flood risk listSW1Y 6AF: not on the flood risk listSW1Y 6AG: not on the flood risk listSW1Y 6AH: not on the flood risk listSW1Y 6AJ: not on the flood risk listSW1Y 6AL: not on the flood risk listSW1Y 6AU: not on the flood risk listSW1Y 6AW: not on the flood risk listSW1Y 6BB: not on the flood risk listSW1Y 6BL: not on the flood risk listSW1Y 6BN: not on the flood risk listSW1Y 6BS: not on the flood risk listSW1Y 6BU: not on the flood risk listSW1Y 6DB: not on the flood risk listSW1Y 6DD: not on the flood risk listSW1Y 6DE: not on the flood risk listSW1Y 6DF: not on the flood risk listSW1Y 6DJ: not on the flood risk listSW1Y 6DN: not on the flood risk listSW1Y 6DS: not on the flood risk listSW1Y 6DT: not on the flood risk listSW1Y 6EE: not on the flood risk listSW1Y 6HA: not on the flood risk listSW1Y 6HB: not on the flood risk listSW1Y 6HD: not on the flood risk listSW1Y 6HF: not on the flood risk listSW1Y 6HH: not on the flood risk listSW1Y 6HJ: not on the flood risk listSW1Y 6HR: not on the flood risk listSW1Y 6HU: not on the flood risk listSW1Y 6JB: not on the flood risk listSW1Y 6JE: not on the flood risk listSW1Y 6JF: not on the flood risk listSW1Y 6JH: not on the flood risk listSW1Y 6JP: not on the flood risk listSW1Y 6JT: not on the flood risk listSW1Y 6JX: not on the flood risk listSW1Y 6LB: not on the flood risk listSW1Y 6LT: not on the flood risk listSW1Y 6LX: not on the flood risk listSW1Y 6NH: not on the flood risk listSW1Y 6NP: not on the flood risk listSW1Y 6NY: not on the flood risk listSW1Y 6PF: not on the flood risk listSW1Y 6PP: not on the flood risk listSW1Y 6PX: not on the flood risk listSW1Y 6PY: not on the flood risk listSW1Y 6QA: not on the flood risk listSW1Y 6QB: not on the flood risk listSW1Y 6QF: not on the flood risk listSW1Y 6QG: not on the flood risk listSW1Y 6QL: not on the flood risk listSW1Y 6QT: not on the flood risk listSW1Y 6QU: not on the flood risk listSW1Y 6QW: not on the flood risk listSW1Y 6QY: not on the flood risk listSW1Y 6RE: not on the flood risk listSW1Y 6RJ: not on the flood risk listSW1Y 6RL: not on the flood risk listSW1Y 6WW: not on the flood risk list St James's Map of every postcode in the SW1Y 6 sector, by flood risk Of the 67 postcodes in the SW1Y 6 sector that ONS places, 67 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. 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: 0
  • Not on the at-risk list: 67

Of the 67 postcodes in the SW1Y 6 sector that ONS places, 67 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 SW1Y 6?

HM Land Registry records 4 sales of homes in SW1Y 6 in the 12 months to August 2026: too few to give a typical price.

  • Flat or maisonette 4 sales, too few to price

Standard sales of homes at market value at the postcodes that start SW1Y 6. 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

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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