The NW (North Western) postcode area, also known as the London NW postcode area, [2] is a group of 13 postcode districts covering around 13,895 live postcodes within part of northwest London, England. It is the successor of the NW sector, originally created as part of the London postal district in 1856.

NW3 is one of 13 NW Postcode Districts for the London Post town in Greater London. The postcode district is located in the NW London - NW postal area , NW3 has a population of 49,336 residents according to the 2021 England and Wales Census. The area of the district is 2.63 square miles (6.81 square kilometers or 1,683.63 acres).

NW3 postcode in London refers to the postcode area covering parts of North West London. The area is bounded by Camden in the south, Camden Town in the east, Hampstead in the north, and Primrose Hill in the west. It incorporates the areas of Belsize Park, Hampstead, Haverstock, Chalk Farm, and Swiss Cottage.

Today I want to share my north west London areas guide with you. The part of the UK capital is full of places with pretty streets, leafy parks, and local spots to discover. From village-like Hampstead to colorful Camden Town, there’s one that’s sure to fit your style.

The NW3 postcode is one of London’s most prestigious areas, encompassing iconic neighbourhoods like Hampstead, Belsize Park, and Primrose Hill. Known for its leafy streets, elegant period homes, and close-knit village atmosphere, NW3 is a sought-after location for families, professionals, and investors alike.

NW3 is in the county of Greater London. It is 6km north-west of the city of London, and contains Hampstead, Gospel Oak, Maitland Park, North End, and Vale of Health. NW3 is a postcode district, also known as an outcode or outbound code. The below map shows where NW3 is, and the boundary of the NW3 postcode district:

A full list of UK postcodes in the NW3 district covering the areas of Hampstead, Chalk Farm, Primrose Hill, Swiss Cottage, Belsize Park, Gospel Oak, Frognal, Childs Hill, Camden with longitude and latitude and area descriptions, also available as CSV and KML

NW3 is the postcode district in North West London incorporating the areas of Hampstead, Chalk Farm, Primrose Hill (part), Swiss Cottage, Belsize Park, Gospel Oak (part), Frognal, Childs Hill (a small part) and is covered by the Camden and Barnet local authorities.

NW3 is one of London’s most desirable postcodes, covering the affluent areas of Hampstead, Belsize Park, and parts of Swiss Cottage. Known for its charming village-like atmosphere, stunning period architecture, and access to vast green spaces, NW3 attracts high-net-worth individuals, professionals, and families seeking an exclusive yet ...

2025年1月29日 · is a print magazine covering news and stories from Belsize Park and the NW3 area. There are three editions each year — spring, summer and winter. The magazine is funded by advertising and free to the public.