W1S 3 postcode sector in the W1S district

W1S 3 is a sector of the W1S district: every postcode that starts W1S 3. It has 104 postcodes in use, 6 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 W1S 3 sector, and which are new since 2020

Map of every postcode in the W1S 3 sector, by new since 2020 Of the 104 postcodes in the W1S 3 sector that ONS places, 4 are new since 2020 and 100 were in use before 2020. Places named: West End. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A4201 W1S 3AB: before 2020W1S 3AD: before 2020W1S 3AG: before 2020W1S 3AJ: before 2020W1S 3AN: before 2020W1S 3AP: before 2020W1S 3AS: before 2020W1S 3AT: before 2020W1S 3AU: before 2020W1S 3AW: before 2020W1S 3BE: before 2020W1S 3BH: before 2020W1S 3BL: before 2020W1S 3DA: before 2020W1S 3DD: before 2020W1S 3DE: before 2020W1S 3DF: before 2020W1S 3DN: before 2020W1S 3DS: before 2020W1S 3DT: before 2020W1S 3DX: before 2020W1S 3DY: before 2020W1S 3DZ: before 2020W1S 3ED: before 2020W1S 3EP: before 2020W1S 3EQ: before 2020W1S 3ER: before 2020W1S 3ES: before 2020W1S 3ET: before 2020W1S 3EU: before 2020W1S 3HA: before 2020W1S 3HB: before 2020W1S 3HF: before 2020W1S 3HH: before 2020W1S 3HJ: before 2020W1S 3HL: before 2020W1S 3JN: before 2020W1S 3LB: before 2020W1S 3LJ: before 2020W1S 3LL: before 2020W1S 3LQ: before 2020W1S 3LR: before 2020W1S 3LZ: before 2020W1S 3NB: before 2020W1S 3ND: before 2020W1S 3NG: before 2020W1S 3NS: before 2020W1S 3NY: before 2020W1S 3PA: before 2020W1S 3PB: before 2020W1S 3PE: before 2020W1S 3PF: before 2020W1S 3PG: before 2020W1S 3PH: before 2020W1S 3PJ: before 2020W1S 3PN: before 2020W1S 3PP: before 2020W1S 3PQ: before 2020W1S 3PR: before 2020W1S 3PT: before 2020W1S 3RG: before 2020W1S 3RH: before 2020W1S 3SN: before 2020W1S 3SP: before 2020W1S 3SR: before 2020W1S 3SS: before 2020W1S 3ST: before 2020W1S 3SU: before 2020W1S 3AX: new since 2020W1S 3EA: new since 2020W1S 3EH: new since 2020W1S 3NQ: new since 2020 West End Map of every postcode in the W1S 3 sector, by new since 2020 Of the 104 postcodes in the W1S 3 sector that ONS places, 4 are new since 2020 and 100 were in use before 2020. Places named: West End. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. West End
  • New since 2020: 4
  • In use before 2020: 100

Of the 104 postcodes in the W1S 3 sector that ONS places, 4 are new since 2020 and 100 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.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; when each came into use: the same directory; 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 4 newest postcodes

W1S 3EHJune 2026W1S 3AXJuly 2024W1S 3EAAugust 2022W1S 3NQApril 2021

What do homes sell for in W1S 3?

HM Land Registry records one sale of homes in W1S 3 in the 12 months to August 2026: too few to give a typical price.

  • Flat or maisonette 1 sale, too few to price

Standard sales of homes at market value at the postcodes that start W1S 3. 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 W1S 3

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.

W1S 3ABW1S 3ADW1S 3AEW1S 3AFW1S 3AGW1S 3AJW1S 3ANW1S 3APW1S 3ASW1S 3ATW1S 3AUW1S 3AWW1S 3AXW1S 3BEW1S 3BHW1S 3BLW1S 3DAW1S 3DDW1S 3DEW1S 3DFW1S 3DGW1S 3DNW1S 3DSW1S 3DTW1S 3DUW1S 3DXW1S 3DYW1S 3DZW1S 3EAW1S 3EBW1S 3EDW1S 3EGW1S 3EHW1S 3EJW1S 3EPW1S 3EQW1S 3ERW1S 3ESW1S 3ETW1S 3EUW1S 3EYW1S 3EZW1S 3HAW1S 3HBW1S 3HEW1S 3HFW1S 3HHW1S 3HJW1S 3HLW1S 3HNW1S 3HTW1S 3JNW1S 3JRW1S 3LBW1S 3LGW1S 3LJW1S 3LLW1S 3LQW1S 3LRW1S 3LTW1S 3LUW1S 3LWW1S 3LZW1S 3NBW1S 3NDW1S 3NGW1S 3NPW1S 3NQW1S 3NSW1S 3NYW1S 3PAW1S 3PBW1S 3PEW1S 3PFW1S 3PGW1S 3PHW1S 3PJW1S 3PLW1S 3PNW1S 3PPW1S 3PQW1S 3PRW1S 3PSW1S 3PTW1S 3PWW1S 3PZW1S 3QBW1S 3QDW1S 3QEW1S 3QFW1S 3QGW1S 3QQW1S 3RFW1S 3RGW1S 3RHW1S 3RQW1S 3SNW1S 3SPW1S 3SRW1S 3SSW1S 3STW1S 3SUW1S 3SWW1S 3SX

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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