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, by flood risk

Map of every postcode in the W1H 4 sector, by flood risk Of the 106 postcodes in the W1H 4 sector that ONS places, 106 are not on the Environment Agency's at-risk list. Places named: Marylebone. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A501A404A4380A4206 W1H 4AD: not on the flood risk listW1H 4AG: not on the flood risk listW1H 4AL: not on the flood risk listW1H 4AN: not on the flood risk listW1H 4AP: not on the flood risk listW1H 4AT: not on the flood risk listW1H 4AW: not on the flood risk listW1H 4BS: not on the flood risk listW1H 4DJ: not on the flood risk listW1H 4DL: not on the flood risk listW1H 4DR: not on the flood risk listW1H 4EG: not on the flood risk listW1H 4EU: not on the flood risk listW1H 4EX: not on the flood risk listW1H 4HA: not on the flood risk listW1H 4HB: not on the flood risk listW1H 4HD: not on the flood risk listW1H 4HE: not on the flood risk listW1H 4HG: not on the flood risk listW1H 4HH: not on the flood risk listW1H 4HL: not on the flood risk listW1H 4HN: not on the flood risk listW1H 4HP: not on the flood risk listW1H 4HU: not on the flood risk listW1H 4HW: not on the flood risk listW1H 4HX: not on the flood risk listW1H 4JA: not on the flood risk listW1H 4JB: not on the flood risk listW1H 4JH: not on the flood risk listW1H 4JN: not on the flood risk listW1H 4JP: not on the flood risk listW1H 4JU: not on the flood risk listW1H 4LA: not on the flood risk listW1H 4LD: not on the flood risk listW1H 4LE: not on the flood risk listW1H 4LG: not on the flood risk listW1H 4LH: not on the flood risk listW1H 4LL: not on the flood risk listW1H 4LP: not on the flood risk listW1H 4LQ: not on the flood risk listW1H 4LW: not on the flood risk listW1H 4NB: not on the flood risk listW1H 4ND: not on the flood risk listW1H 4NE: not on the flood risk listW1H 4NF: not on the flood risk listW1H 4NG: not on the flood risk listW1H 4NH: not on the flood risk listW1H 4NL: not on the flood risk listW1H 4NP: not on the flood risk listW1H 4NQ: not on the flood risk listW1H 4NS: not on the flood risk listW1H 4NU: not on the flood risk listW1H 4NW: not on the flood risk listW1H 4NX: not on the flood risk listW1H 4NY: not on the flood risk listW1H 4PA: not on the flood risk listW1H 4PJ: not on the flood risk listW1H 4PL: not on the flood risk listW1H 4PS: not on the flood risk listW1H 4PU: not on the flood risk listW1H 4QA: not on the flood risk listW1H 4QB: not on the flood risk listW1H 4QE: not on the flood risk listW1H 4QG: not on the flood risk listW1H 4QH: not on the flood risk listW1H 4QJ: not on the flood risk listW1H 4QQ: not on the flood risk list Marylebone Map of every postcode in the W1H 4 sector, by flood risk Of the 106 postcodes in the W1H 4 sector that ONS places, 106 are not on the Environment Agency's at-risk list. Places named: Marylebone. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A501 Marylebone
  • 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: 106

Of the 106 postcodes in the W1H 4 sector that ONS places, 106 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 W1H 4?

Homes in W1H 4 sold for a typical £555,000 in the 12 months to August 2026, across 6 sales, HM Land Registry's figures show.

£555,000 typical price, the 12 months to August 2026
  • Terraced 2 sales, too few to price
  • Flat or maisonette 4 sales, too few to price

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 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 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: 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.

Check a postcode

Something wrong on this page? Report an error and we will check it against the source.