A private client with a love of hotel-like luxury and, apparently, a very large interior design budget tasked interior architecture studio Lawson Robb with creating this glamorous underground spa. The spa occupies a subterranean location beneath a listed building in Mayfair, London.
The basement level of the 15,000 square foot residential development began as a maze of rooms. The architects segmented the rooms into distinct zones. A pool, a sauna, massage rooms, a steam room, and a walk-in jet shower all provide for a feeling of extreme luxury.
Creative lighting, vaulted ceilings, and use of mirrors make the underground space seem like a quiet, reverent space perfect for reflection. A glass bridge spans a central light well to bring natural light down into the space.
At one end of the spa, a backlit slab of onyx conceals the remote control pop-up bar. A secret stone stairway takes visitors through the wine cellar and up to the library above.

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The classic stonework and rich teak strips are just a part of the overall stunning appearance of this unexpected oasis. The water itself lends an ethereal air to the space. Taken as a whole, it would be difficult to guess that this space is actually beneath ground in an historically significant building. It is hidden luxury at its finest.