The typical property in W1K
W1K covers Mayfair north (Grosvenor Square, Brook Street, Mount Street), a central Westminster outcode with the former US Embassy site, Claridge's hotel and substantial Georgian townhouse and mansion-block stock.
Area summary
W1K is a Westminster City Council outcode covering Mayfair north, including Grosvenor Square (the centre of the former American diplomatic presence, with the US Embassy operating here from 1938 to 2018 before relocating to SW8), Brook Street (with Claridge's hotel and the Handel House Museum), Mount Street and South Audley Street. The Grosvenor Estate (Duke of Westminster's freehold) is the major landowner. Housing is dominated by Georgian and Victorian townhouse stock with significant mansion-block development from the 1900s-1930s.
Bond Street (Elizabeth Line, Central, Jubilee) and Marble Arch (Central) stations serve the outcode.
What the data shows
Researched facts
Buyer notes
- Grosvenor Estate leasehold has distinctive design covenants
- Ultra-prime central London, freehold values among the highest in the world
- Conservation area restricts external alterations
The full W1K data page
Sold price history, crime totals, EPC distribution, council tax bands and more, pulled live from HM Land Registry, Police UK and the EPC Register.
W1K property dataNearby W postcode districts
Compare W1K with adjacent areas in the same postcode district.