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, by flood risk

Map of every postcode in the W1S 3 sector, by flood risk Of the 104 postcodes in the W1S 3 sector that ONS places, 104 are not on the Environment Agency's at-risk list. Places named: West End. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A4201 W1S 3AB: not on the flood risk listW1S 3AD: not on the flood risk listW1S 3AG: not on the flood risk listW1S 3AJ: not on the flood risk listW1S 3AN: not on the flood risk listW1S 3AP: not on the flood risk listW1S 3AS: not on the flood risk listW1S 3AT: not on the flood risk listW1S 3AU: not on the flood risk listW1S 3AW: not on the flood risk listW1S 3AX: not on the flood risk listW1S 3BE: not on the flood risk listW1S 3BH: not on the flood risk listW1S 3BL: not on the flood risk listW1S 3DA: not on the flood risk listW1S 3DD: not on the flood risk listW1S 3DE: not on the flood risk listW1S 3DF: not on the flood risk listW1S 3DN: not on the flood risk listW1S 3DS: not on the flood risk listW1S 3DT: not on the flood risk listW1S 3DX: not on the flood risk listW1S 3DY: not on the flood risk listW1S 3DZ: not on the flood risk listW1S 3EA: not on the flood risk listW1S 3ED: not on the flood risk listW1S 3EH: not on the flood risk listW1S 3EP: not on the flood risk listW1S 3EQ: not on the flood risk listW1S 3ER: not on the flood risk listW1S 3ES: not on the flood risk listW1S 3ET: not on the flood risk listW1S 3EU: not on the flood risk listW1S 3HA: not on the flood risk listW1S 3HB: not on the flood risk listW1S 3HF: not on the flood risk listW1S 3HH: not on the flood risk listW1S 3HJ: not on the flood risk listW1S 3HL: not on the flood risk listW1S 3JN: not on the flood risk listW1S 3LB: not on the flood risk listW1S 3LJ: not on the flood risk listW1S 3LL: not on the flood risk listW1S 3LQ: not on the flood risk listW1S 3LR: not on the flood risk listW1S 3LZ: not on the flood risk listW1S 3NB: not on the flood risk listW1S 3ND: not on the flood risk listW1S 3NG: not on the flood risk listW1S 3NQ: not on the flood risk listW1S 3NS: not on the flood risk listW1S 3NY: not on the flood risk listW1S 3PA: not on the flood risk listW1S 3PB: not on the flood risk listW1S 3PE: not on the flood risk listW1S 3PF: not on the flood risk listW1S 3PG: not on the flood risk listW1S 3PH: not on the flood risk listW1S 3PJ: not on the flood risk listW1S 3PN: not on the flood risk listW1S 3PP: not on the flood risk listW1S 3PQ: not on the flood risk listW1S 3PR: not on the flood risk listW1S 3PT: not on the flood risk listW1S 3RG: not on the flood risk listW1S 3RH: not on the flood risk listW1S 3SN: not on the flood risk listW1S 3SP: not on the flood risk listW1S 3SR: not on the flood risk listW1S 3SS: not on the flood risk listW1S 3ST: not on the flood risk listW1S 3SU: not on the flood risk list West End Map of every postcode in the W1S 3 sector, by flood risk Of the 104 postcodes in the W1S 3 sector that ONS places, 104 are not on the Environment Agency's at-risk list. Places named: West End. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. West End
  • 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: 104

Of the 104 postcodes in the W1S 3 sector that ONS places, 104 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 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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