W4 4 postcode sector in the W4 district

W4 4 is a sector of the W4 district: every postcode that starts W4 4. It has 137 postcodes in use, 9 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 W4 4 sector, and which are new since 2020

Map of every postcode in the W4 4 sector, by new since 2020 Of the 137 postcodes in the W4 4 sector that ONS places, 6 are new since 2020 and 131 were in use before 2020. Places named: Chiswick Gunnersbury. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A4 W4 4AA: before 2020W4 4AB: before 2020W4 4AD: before 2020W4 4AG: before 2020W4 4AH: before 2020W4 4AN: before 2020W4 4AR: before 2020W4 4AU: before 2020W4 4AW: before 2020W4 4AZ: before 2020W4 4BA: before 2020W4 4BD: before 2020W4 4BE: before 2020W4 4BF: before 2020W4 4BG: before 2020W4 4BJ: before 2020W4 4BL: before 2020W4 4BN: before 2020W4 4BQ: before 2020W4 4BS: before 2020W4 4BT: before 2020W4 4BU: before 2020W4 4BX: before 2020W4 4BZ: before 2020W4 4DA: before 2020W4 4DB: before 2020W4 4DD: before 2020W4 4DE: before 2020W4 4DF: before 2020W4 4DG: before 2020W4 4DH: before 2020W4 4DJ: before 2020W4 4DL: before 2020W4 4DN: before 2020W4 4DP: before 2020W4 4DR: before 2020W4 4DT: before 2020W4 4DW: before 2020W4 4EA: before 2020W4 4EB: before 2020W4 4ED: before 2020W4 4EE: before 2020W4 4EF: before 2020W4 4EG: before 2020W4 4EH: before 2020W4 4EJ: before 2020W4 4EL: before 2020W4 4EQ: before 2020W4 4ET: before 2020W4 4EU: before 2020W4 4EW: before 2020W4 4EY: before 2020W4 4EZ: before 2020W4 4HA: before 2020W4 4HB: before 2020W4 4HD: before 2020W4 4HE: before 2020W4 4HF: before 2020W4 4HG: before 2020W4 4HH: before 2020W4 4HJ: before 2020W4 4HS: before 2020W4 4HT: before 2020W4 4JA: before 2020W4 4JB: before 2020W4 4JD: before 2020W4 4JE: before 2020W4 4JN: before 2020W4 4JP: before 2020W4 4JQ: before 2020W4 4JR: before 2020W4 4JS: before 2020W4 4JT: before 2020W4 4JU: before 2020W4 4JW: before 2020W4 4JX: before 2020W4 4JY: before 2020W4 4LA: before 2020W4 4LB: before 2020W4 4LD: before 2020W4 4LE: before 2020W4 4LG: before 2020W4 4LP: before 2020W4 4LQ: before 2020W4 4LR: before 2020W4 4LS: before 2020W4 4LT: before 2020W4 4LZ: before 2020W4 4NA: before 2020W4 4NB: before 2020W4 4ND: before 2020W4 4NE: before 2020W4 4NF: before 2020W4 4NG: before 2020W4 4NH: before 2020W4 4NJ: before 2020W4 4NL: before 2020W4 4NN: before 2020W4 4NP: before 2020W4 4NR: before 2020W4 4NS: before 2020W4 4NT: before 2020W4 4NU: before 2020W4 4NX: before 2020W4 4NY: before 2020W4 4PA: before 2020W4 4PB: before 2020W4 4PD: before 2020W4 4PH: before 2020W4 4PU: before 2020W4 4QE: before 2020W4 4QF: before 2020W4 4QG: before 2020W4 4QH: before 2020W4 4QJ: before 2020W4 4QL: before 2020W4 4QN: before 2020W4 4QP: before 2020W4 4QQ: before 2020W4 4QR: before 2020W4 4QS: before 2020W4 4QT: before 2020W4 4QU: before 2020W4 4QX: before 2020W4 4QY: before 2020W4 4DQ: new since 2020W4 4DS: new since 2020W4 4DU: new since 2020W4 4DX: new since 2020W4 4EN: new since 2020W4 4AL: new since 2020 Chiswick Gunnersbury Map of every postcode in the W4 4 sector, by new since 2020 Of the 137 postcodes in the W4 4 sector that ONS places, 6 are new since 2020 and 131 were in use before 2020. Places named: Chiswick Gunnersbury. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. Chiswick Gunnersbury
  • New since 2020: 6
  • In use before 2020: 131

Of the 137 postcodes in the W4 4 sector that ONS places, 6 are new since 2020 and 131 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 5 newest postcodes

W4 4ALApril 2026W4 4DXJuly 2025W4 4DUMay 2024W4 4ENApril 2024W4 4DSNovember 2023

What do homes sell for in W4 4?

Homes in W4 4 sold for a typical £629,000 in the 12 months to August 2026, across 51 sales, up 16.5% on the 12 months before, HM Land Registry's figures show.

£629,000 typical price, the 12 months to August 2026
£540,000 12 months to August 2025
▲ up 16.5% on the 12 months before
  • Detached 2 sales, too few to price
  • Semi-detached £2,325,000 7 sales
  • Terraced 4 sales, too few to price
  • Flat or maisonette £494,000 38 sales

Each bar is that kind's typical price, against the most expensive kind here.

Standard sales of homes at market value at the postcodes that start W4 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 W4 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.

W4 4AAW4 4ABW4 4ADW4 4AGW4 4AHW4 4AJW4 4ALW4 4ANW4 4ARW4 4AUW4 4AWW4 4AZW4 4BAW4 4BDW4 4BEW4 4BFW4 4BGW4 4BJW4 4BLW4 4BNW4 4BQW4 4BSW4 4BTW4 4BUW4 4BXW4 4BZW4 4DAW4 4DBW4 4DDW4 4DEW4 4DFW4 4DGW4 4DHW4 4DJW4 4DLW4 4DNW4 4DPW4 4DQW4 4DRW4 4DSW4 4DTW4 4DUW4 4DWW4 4DXW4 4EAW4 4EBW4 4EDW4 4EEW4 4EFW4 4EGW4 4EHW4 4EJW4 4ELW4 4ENW4 4EQW4 4ETW4 4EUW4 4EWW4 4EYW4 4EZW4 4HAW4 4HBW4 4HDW4 4HEW4 4HFW4 4HGW4 4HHW4 4HJW4 4HSW4 4HTW4 4JAW4 4JBW4 4JDW4 4JEW4 4JFW4 4JGW4 4JNW4 4JPW4 4JQW4 4JRW4 4JSW4 4JTW4 4JUW4 4JWW4 4JXW4 4JYW4 4LAW4 4LBW4 4LDW4 4LEW4 4LGW4 4LPW4 4LQW4 4LRW4 4LSW4 4LTW4 4LZW4 4NAW4 4NBW4 4NDW4 4NEW4 4NFW4 4NGW4 4NHW4 4NJW4 4NLW4 4NNW4 4NPW4 4NRW4 4NSW4 4NTW4 4NUW4 4NXW4 4NYW4 4PAW4 4PBW4 4PDW4 4PHW4 4PNW4 4PUW4 4QEW4 4QFW4 4QGW4 4QHW4 4QJW4 4QLW4 4QNW4 4QPW4 4QQW4 4QRW4 4QSW4 4QTW4 4QUW4 4QXW4 4QYW4 4WRW4 4XG

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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