The tearoom, which has undergone a £80m refurbishment in recent years, won after judges were impressed by its "light and airy" setting, "beautiful furnishings" and "exceptional service".
The Tea Guild's Top London Afternoon Tea Award is now in its 25th year, and is decided by undercover inspectors, who award points for the variety and quality of the teas offered, together with the quality of food, service, décor, ambience, and presentation.
By Tom Vaughan
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