Half Moon Street is a charming and elegant street located in the heart of Mayfair, within the City of Westminster, central London. This short yet iconic road runs northbound from Piccadilly to Curzon Street and boasts a rich history, distinctive character, and proximity to some of London's finest landmarks and amenities.
Half Moon Street is a one-way thoroughfare measuring approximately 290 metres (950 feet) in length. Traffic flows in a single direction, entering from the southern end at Piccadilly and exiting at the northern end at Curzon Street. The street lies within the prestigious West End of London, close to St James's and a short distance from the City.
Surrounding roads include Shepherd Market, White Horse Street, and Charles Street. Half Moon Street offers easy access to Green Park Station, served by the Jubilee Line, Piccadilly Line, and Victoria Line. Bus stops are conveniently located on nearby Piccadilly, providing numerous connections throughout London.
The street was laid out in the early 18th century, around the 1730s, during a period of rapid development in the Mayfair district. It is believed to have been named after the Half Moon public house that once stood in the vicinity. The pronunciation of the street name is Half Moon Street /hɑːf muːn striːt/
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Half Moon Street gained popularity in the Georgian and Victorian periods for its discreet but desirable lodgings. Its location, just off Piccadilly and near the aristocratic clubs of Pall Mall, made it a sought-after address for gentlemen and literary figures. Famous residents included James Boswell, the biographer of Samuel Johnson, and fictional characters such as Algernon Moncrieff from Oscar Wilde’s The Importance of Being Earnest.
Today, Half Moon Street retains a refined and quiet atmosphere. It is lined with historic Georgian and Regency-style buildings, many of which have been converted into luxury apartments, boutique hotels, and elegant townhouses. The street has an understated charm, free from the bustle of nearby thoroughfares, making it a hidden gem in the heart of Westminster.
Real estate along Half Moon Street is among the most exclusive in central London. As of 2025, one-bedroom flats typically range from £1.5 million to £2.2 million for properties around 800 sq ft (74 sq m), while larger townhouses of 3,000 sq ft (279 sq m) or more can fetch upwards of £8 million, depending on condition and amenities. These prices reflect the street’s prime location, architectural heritage, and proximity to Hyde Park, Green Park, and exclusive dining and shopping venues in Mayfair.
Within a short walking distance of Half Moon Street are several iconic London attractions:
Half Moon Street appears in several works of fiction. Most notably, it is the home of Algernon Moncrieff in Oscar Wilde’s 1895 play The Importance of Being Earnest. The street’s discreet charm and association with high society also made it a setting for spy thrillers and romantic dramas in 20th-century literature and film.
Painting of Half Moon Street, London (View image in full size)