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, and which are new since 2020

Map of every postcode in the SW1Y 6 sector, by new since 2020 Of the 67 postcodes in the SW1Y 6 sector that ONS places, 1 are new since 2020 and 66 were in use before 2020. 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: before 2020SW1Y 6AB: before 2020SW1Y 6AE: before 2020SW1Y 6AF: before 2020SW1Y 6AG: before 2020SW1Y 6AH: before 2020SW1Y 6AJ: before 2020SW1Y 6AL: before 2020SW1Y 6AU: before 2020SW1Y 6AW: before 2020SW1Y 6BB: before 2020SW1Y 6BL: before 2020SW1Y 6BN: before 2020SW1Y 6BS: before 2020SW1Y 6BU: before 2020SW1Y 6DB: before 2020SW1Y 6DD: before 2020SW1Y 6DE: before 2020SW1Y 6DF: before 2020SW1Y 6DJ: before 2020SW1Y 6DN: before 2020SW1Y 6DS: before 2020SW1Y 6DT: before 2020SW1Y 6EE: before 2020SW1Y 6HA: before 2020SW1Y 6HB: before 2020SW1Y 6HD: before 2020SW1Y 6HF: before 2020SW1Y 6HH: before 2020SW1Y 6HJ: before 2020SW1Y 6HR: before 2020SW1Y 6HU: before 2020SW1Y 6JB: before 2020SW1Y 6JE: before 2020SW1Y 6JF: before 2020SW1Y 6JH: before 2020SW1Y 6JP: before 2020SW1Y 6JT: before 2020SW1Y 6JX: before 2020SW1Y 6LB: before 2020SW1Y 6LT: before 2020SW1Y 6LX: before 2020SW1Y 6NH: before 2020SW1Y 6NP: before 2020SW1Y 6NY: before 2020SW1Y 6PF: before 2020SW1Y 6PP: before 2020SW1Y 6PX: before 2020SW1Y 6PY: before 2020SW1Y 6QA: before 2020SW1Y 6QB: before 2020SW1Y 6QF: before 2020SW1Y 6QG: before 2020SW1Y 6QL: before 2020SW1Y 6QT: before 2020SW1Y 6QU: before 2020SW1Y 6QW: before 2020SW1Y 6QY: before 2020SW1Y 6RE: before 2020SW1Y 6RJ: before 2020SW1Y 6WW: before 2020SW1Y 6RL: new since 2020 St James's Map of every postcode in the SW1Y 6 sector, by new since 2020 Of the 67 postcodes in the SW1Y 6 sector that ONS places, 1 are new since 2020 and 66 were in use before 2020. 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
  • New since 2020: 1
  • In use before 2020: 66

Of the 67 postcodes in the SW1Y 6 sector that ONS places, 1 are new since 2020 and 66 were in use before 2020.

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. New since 2020 means it came into use in January 2020 or later. 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.

Sources: ONS Postcode Directory, August 2026, loaded 20 October 2026; roads, rivers and built-up areas: Ordnance Survey open maps. 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.

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What do homes sell for in SW1Y 6?

Homes in SW1Y 6 sold for a typical £775,000 in the 12 months to September 2026, across 6 sales, HM Land Registry's figures show.

£775,000 typical price, the 12 months to September 2026
  • Flat or maisonette £775,000 6 sales

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 October 2026.

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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Where the facts on this page come from

Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0.

Licence: Open Government Licence v3.0.

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