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SW1X 9HL

William Street, Knightsbridge, London, SW1X, United Kingdom

4 Beds
4 Baths
344 m² Floor area
Type Flat
Listed 15 May 2026
Asking price £14,950,000
Price per m² £43,459 / m²

United Kingdom Sotheby’s International Realty is thrilled to present this stunning four-bedroom apartment in Knightsbridge Gate. Situated inside a fabulous Grade-II listed Edwardian building that dates back to 1902 but recently the property has received a total renovation. It has been updated with the highest quality, natural materials, including Calacatta oro polished marble, rich oak, refurbished original timber sash windows and bronze ironmongery.

The apartment successfully honours the rich history of the building but has been updated to ensure ultimate comfort. There is a built-in intruder alarm and video intercom system to ensure peace of mind and the apartment also features central heating and cooling, underfloor heating and Lutron lighting. The rich palette of materials, colours and textures throughout the space creates a feeling of serenity and a luxurious ambience.

The kitchen is any chef’s dream and is fully equipped with Gaggenau appliances, ample built-in storage, and a sleek breakfast bar, finished in cosmic black granite. Situated next to the kitchen is the formal dining room that is perfect for those who love to entertain. The apartment also features a large drawing room with multiple windows, flooding the space with natural light. The impressive principal bedroom has a generously proportioned dressing room and a private terrace. The additional three bedrooms each benefit from an en suite; there is also a laundry room with Miele appliances.

Located in one of the most sought-after areas in London, moments from Hyde Park, Harrods and Harvey Nichols as well as an abundance of restaurants, everything you need is practically on your doorstep.

How the asking price has moved

May 2026
£14,950,000
Listed at original asking price

William Street, Knightsbridge, London, SW1X, United Kingdom

This listing doesn't publish a floor area, so we can't calculate a fair price estimate. All other details are still available.

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About this valuation

Fair price calculated from HM Land Registry sold prices in the same postcode area, adjusted by the UK House Price Index, and multiplied by the EPC-declared floor area of 344 m². Updated daily.