W1H 4 postcode sector in the W1H district

W1H 4 is a sector of the W1H district: every postcode that starts W1H 4. It has 106 postcodes in use, one of them a large-user postcode. 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 W1H 4 sector, and which are new since 2020

Map of every postcode in the W1H 4 sector, by new since 2020 Of the 106 postcodes in the W1H 4 sector that ONS places, 2 are new since 2020 and 104 were in use before 2020. Places named: Marylebone. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A501A404A4380A4206 W1H 4AD: before 2020W1H 4AG: before 2020W1H 4AL: before 2020W1H 4AN: before 2020W1H 4AT: before 2020W1H 4AW: before 2020W1H 4BS: before 2020W1H 4DJ: before 2020W1H 4DL: before 2020W1H 4DR: before 2020W1H 4EG: before 2020W1H 4EU: before 2020W1H 4EX: before 2020W1H 4HA: before 2020W1H 4HB: before 2020W1H 4HD: before 2020W1H 4HE: before 2020W1H 4HG: before 2020W1H 4HH: before 2020W1H 4HL: before 2020W1H 4HN: before 2020W1H 4HP: before 2020W1H 4HU: before 2020W1H 4HW: before 2020W1H 4HX: before 2020W1H 4JA: before 2020W1H 4JB: before 2020W1H 4JH: before 2020W1H 4JN: before 2020W1H 4JP: before 2020W1H 4JU: before 2020W1H 4LA: before 2020W1H 4LD: before 2020W1H 4LE: before 2020W1H 4LG: before 2020W1H 4LH: before 2020W1H 4LL: before 2020W1H 4LP: before 2020W1H 4LQ: before 2020W1H 4LW: before 2020W1H 4NB: before 2020W1H 4ND: before 2020W1H 4NE: before 2020W1H 4NF: before 2020W1H 4NG: before 2020W1H 4NH: before 2020W1H 4NL: before 2020W1H 4NP: before 2020W1H 4NQ: before 2020W1H 4NU: before 2020W1H 4NW: before 2020W1H 4NX: before 2020W1H 4NY: before 2020W1H 4PA: before 2020W1H 4PJ: before 2020W1H 4PL: before 2020W1H 4PS: before 2020W1H 4PU: before 2020W1H 4QA: before 2020W1H 4QB: before 2020W1H 4QE: before 2020W1H 4QG: before 2020W1H 4QH: before 2020W1H 4QJ: before 2020W1H 4QQ: before 2020W1H 4AP: new since 2020W1H 4NT: new since 2020 Marylebone Map of every postcode in the W1H 4 sector, by new since 2020 Of the 106 postcodes in the W1H 4 sector that ONS places, 2 are new since 2020 and 104 were in use before 2020. Places named: Marylebone. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A501 Marylebone
  • New since 2020: 2
  • In use before 2020: 104

Of the 106 postcodes in the W1H 4 sector that ONS places, 2 are new since 2020 and 104 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.

The 2 newest postcodes

W1H 4APMarch 2025W1H 4NTOctober 2022

What do homes sell for in W1H 4?

Homes in W1H 4 sold for a typical £555,000 in the 12 months to September 2026, across 8 sales, HM Land Registry's figures show.

£555,000 typical price, the 12 months to September 2026
  • Terraced 2 sales, too few to price
  • Flat or maisonette £500,000 6 sales

Standard sales of homes at market value at the postcodes that start W1H 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 October 2026.

Postcodes in W1H 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.

W1H 4ADW1H 4AGW1H 4ALW1H 4ANW1H 4APW1H 4ATW1H 4AWW1H 4BSW1H 4DJW1H 4DLW1H 4DRW1H 4EGW1H 4EUW1H 4EXW1H 4EYW1H 4EZW1H 4HAW1H 4HBW1H 4HDW1H 4HEW1H 4HFW1H 4HGW1H 4HHW1H 4HJW1H 4HLW1H 4HNW1H 4HPW1H 4HQW1H 4HRW1H 4HSW1H 4HUW1H 4HWW1H 4HXW1H 4JAW1H 4JBW1H 4JDW1H 4JEW1H 4JFW1H 4JGW1H 4JHW1H 4JJW1H 4JLW1H 4JNW1H 4JPW1H 4JQW1H 4JRW1H 4JSW1H 4JUW1H 4JWW1H 4LAW1H 4LBW1H 4LDW1H 4LEW1H 4LGW1H 4LHW1H 4LJW1H 4LLW1H 4LNW1H 4LPW1H 4LQW1H 4LWW1H 4NAW1H 4NBW1H 4NDW1H 4NEW1H 4NFW1H 4NGW1H 4NHW1H 4NJW1H 4NLW1H 4NNW1H 4NPW1H 4NQW1H 4NRW1H 4NSW1H 4NTW1H 4NUW1H 4NWW1H 4NXW1H 4NYW1H 4NZW1H 4PAW1H 4PBW1H 4PDW1H 4PEW1H 4PFW1H 4PGW1H 4PHW1H 4PJW1H 4PLW1H 4PPW1H 4PQW1H 4PRW1H 4PSW1H 4PUW1H 4QAW1H 4QBW1H 4QDW1H 4QEW1H 4QFW1H 4QGW1H 4QHW1H 4QJW1H 4QLW1H 4QNW1H 4QQ

Source: ONS Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed.

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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