W1S 4 postcode sector in the W1S district

W1S 4 is a sector of the W1S district: every postcode that starts W1S 4. It has 163 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 W1S 4 sector, by flood risk

Map of every postcode in the W1S 4 sector, by flood risk Of the 163 postcodes in the W1S 4 sector that ONS places, 163 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 4AA: not on the flood risk listW1S 4AH: not on the flood risk listW1S 4AN: not on the flood risk listW1S 4AX: not on the flood risk listW1S 4AY: not on the flood risk listW1S 4BD: not on the flood risk listW1S 4BL: not on the flood risk listW1S 4BP: not on the flood risk listW1S 4BS: not on the flood risk listW1S 4BT: not on the flood risk listW1S 4BY: not on the flood risk listW1S 4DQ: not on the flood risk listW1S 4DZ: not on the flood risk listW1S 4EE: not on the flood risk listW1S 4EF: not on the flood risk listW1S 4EH: not on the flood risk listW1S 4EJ: not on the flood risk listW1S 4ER: not on the flood risk listW1S 4ES: not on the flood risk listW1S 4ET: not on the flood risk listW1S 4EU: not on the flood risk listW1S 4EY: not on the flood risk listW1S 4EZ: not on the flood risk listW1S 4FD: not on the flood risk listW1S 4FF: not on the flood risk listW1S 4GA: not on the flood risk listW1S 4GB: not on the flood risk listW1S 4HA: not on the flood risk listW1S 4HB: not on the flood risk listW1S 4HD: not on the flood risk listW1S 4HF: not on the flood risk listW1S 4HH: not on the flood risk listW1S 4HJ: not on the flood risk listW1S 4HL: not on the flood risk listW1S 4HN: not on the flood risk listW1S 4HP: not on the flood risk listW1S 4HQ: not on the flood risk listW1S 4HR: not on the flood risk listW1S 4HU: not on the flood risk listW1S 4HW: not on the flood risk listW1S 4HY: not on the flood risk listW1S 4HZ: not on the flood risk listW1S 4JA: not on the flood risk listW1S 4JD: not on the flood risk listW1S 4JE: not on the flood risk listW1S 4JF: not on the flood risk listW1S 4JH: not on the flood risk listW1S 4JL: not on the flood risk listW1S 4JQ: not on the flood risk listW1S 4JR: not on the flood risk listW1S 4JS: not on the flood risk listW1S 4JU: not on the flood risk listW1S 4JW: not on the flood risk listW1S 4JY: not on the flood risk listW1S 4JZ: not on the flood risk listW1S 4LA: not on the flood risk listW1S 4LB: not on the flood risk listW1S 4LD: not on the flood risk listW1S 4LF: not on the flood risk listW1S 4LH: not on the flood risk listW1S 4LL: not on the flood risk listW1S 4LP: not on the flood risk listW1S 4LQ: not on the flood risk listW1S 4LR: not on the flood risk listW1S 4LT: not on the flood risk listW1S 4LU: not on the flood risk listW1S 4LX: not on the flood risk listW1S 4LY: not on the flood risk listW1S 4NA: not on the flood risk listW1S 4NB: not on the flood risk listW1S 4ND: not on the flood risk listW1S 4NE: not on the flood risk listW1S 4NF: not on the flood risk listW1S 4NG: not on the flood risk listW1S 4NH: not on the flood risk listW1S 4NJ: not on the flood risk listW1S 4NL: not on the flood risk listW1S 4NN: not on the flood risk listW1S 4NP: not on the flood risk listW1S 4NQ: not on the flood risk listW1S 4NR: not on the flood risk listW1S 4NY: not on the flood risk listW1S 4PA: not on the flood risk listW1S 4PB: not on the flood risk listW1S 4PF: not on the flood risk listW1S 4PH: not on the flood risk listW1S 4PJ: not on the flood risk listW1S 4PL: not on the flood risk listW1S 4PN: not on the flood risk listW1S 4PP: not on the flood risk listW1S 4PT: not on the flood risk listW1S 4PU: not on the flood risk listW1S 4PW: not on the flood risk listW1S 4PY: not on the flood risk listW1S 4PZ: not on the flood risk listW1S 4QB: not on the flood risk listW1S 4QD: not on the flood risk listW1S 4QE: not on the flood risk listW1S 4QG: not on the flood risk listW1S 4QH: not on the flood risk listW1S 4QJ: not on the flood risk listW1S 4QL: not on the flood risk listW1S 4QQ: not on the flood risk listW1S 4QT: not on the flood risk listW1S 4QW: not on the flood risk listW1S 4RD: not on the flood risk listW1S 4RF: not on the flood risk listW1S 4RG: not on the flood risk listW1S 4RH: not on the flood risk listW1S 4RL: not on the flood risk listW1S 4RN: not on the flood risk listW1S 4RP: not on the flood risk listW1S 4RR: not on the flood risk listW1S 4RU: not on the flood risk listW1S 4RX: not on the flood risk listW1S 4SF: not on the flood risk listW1S 4SL: not on the flood risk listW1S 4SQ: not on the flood risk listW1S 4SX: not on the flood risk list West End Map of every postcode in the W1S 4 sector, by flood risk Of the 163 postcodes in the W1S 4 sector that ONS places, 163 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: 163

Of the 163 postcodes in the W1S 4 sector that ONS places, 163 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 4?

HM Land Registry records no standard sales of homes in W1S 4 in the 12 months to August 2026.

Standard sales of homes at market value at the postcodes that start W1S 4. 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 4

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 4AAW1S 4AHW1S 4ALW1S 4ANW1S 4APW1S 4AXW1S 4AYW1S 4BDW1S 4BHW1S 4BLW1S 4BPW1S 4BSW1S 4BTW1S 4BYW1S 4DQW1S 4DZW1S 4EEW1S 4EFW1S 4EHW1S 4EJW1S 4ERW1S 4ESW1S 4ETW1S 4EUW1S 4EWW1S 4EXW1S 4EYW1S 4EZW1S 4FDW1S 4FEW1S 4FFW1S 4GAW1S 4GBW1S 4HAW1S 4HBW1S 4HDW1S 4HEW1S 4HFW1S 4HHW1S 4HJW1S 4HLW1S 4HNW1S 4HPW1S 4HQW1S 4HRW1S 4HSW1S 4HTW1S 4HUW1S 4HWW1S 4HYW1S 4HZW1S 4JAW1S 4JDW1S 4JEW1S 4JFW1S 4JGW1S 4JHW1S 4JJW1S 4JLW1S 4JNW1S 4JQW1S 4JRW1S 4JSW1S 4JUW1S 4JWW1S 4JXW1S 4JYW1S 4JZW1S 4LAW1S 4LBW1S 4LDW1S 4LEW1S 4LFW1S 4LGW1S 4LHW1S 4LJW1S 4LLW1S 4LNW1S 4LPW1S 4LQW1S 4LRW1S 4LTW1S 4LUW1S 4LWW1S 4LXW1S 4LYW1S 4LZW1S 4NAW1S 4NBW1S 4NDW1S 4NEW1S 4NFW1S 4NGW1S 4NHW1S 4NJW1S 4NLW1S 4NNW1S 4NPW1S 4NQW1S 4NRW1S 4NSW1S 4NTW1S 4NWW1S 4NYW1S 4NZW1S 4PAW1S 4PBW1S 4PDW1S 4PEW1S 4PFW1S 4PHW1S 4PJW1S 4PLW1S 4PNW1S 4PPW1S 4PRW1S 4PSW1S 4PTW1S 4PUW1S 4PWW1S 4PXW1S 4PYW1S 4PZW1S 4QAW1S 4QBW1S 4QDW1S 4QEW1S 4QFW1S 4QGW1S 4QHW1S 4QJW1S 4QLW1S 4QQW1S 4QRW1S 4QTW1S 4QWW1S 4RBW1S 4RDW1S 4REW1S 4RFW1S 4RGW1S 4RHW1S 4RJW1S 4RLW1S 4RNW1S 4RPW1S 4RRW1S 4RTW1S 4RUW1S 4RXW1S 4SBW1S 4SDW1S 4SFW1S 4SGW1S 4SLW1S 4SNW1S 4SPW1S 4SQW1S 4SRW1S 4SWW1S 4SXW1S 4TEW1S 4TF

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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