At One Day Spa is located on the mezzanine level of the arcade, removing you from the noise and hustle of the city streets. The team of highly trained and experienced therapists deliver expert treatments using only the best products; priding themselves on their friendly welcome and fabulous quality of service.. If you’re looking for a dependable waxing practitioner close to your work, or seeking a few hours peaceful “me” time, At One Day Spa is Birmingham’s hidden haven.