Spa hotel in Bath

Spa 15

Hidden beneath the pavements of the grandest street in Bath, Spa 15 is opening soon. . .

Rest and restore

A hidden haven for relaxation

Hidden beneath the pavements of the grandest street in Bath lies a day spa with a difference in the heart of the world heritage city. Taking the waters and relaxation has long been an integral part of life in Bath, which is why Spa 15 is focused on indulging all of your senses. You'll find holistic treatments dedicated to restoring mind and body and a relaxation room where you can truly escape, rediscover your balance and sip on loose-leaf herbal teas or fizz if you prefer. A hot tub within historic vaults and a steam room are ideal spaces for quiet contemplation, while also ensuring the best possible night's sleep.


Indulge the senses

From soothing facials to deeply-relaxing massage and pampering body treatments, we've got the perfect therapy for you.

Spa days

Time to relax

Make the most of Bath's historic spa culture and treat yourself, or a loved one, to a special Spa 15 experience.

Spa breaks

Great escapes

Escape to Bath for a luxury city break combining relaxation with culture, curiosities and plenty to delight all of your senses.

Book direct

We guarantee the best rates around

If you book direct through our website, not only can we guarantee you the best rates around, we can also offer a late check out and 10% off dining. What are you waiting for?

The ultimate hosts

Corporate events

All of our event spaces exude an all-pervading feeling of wit and personality.

Memorable events


The extraordinary world of No.15 makes for an intriguing setting for any occasion.

Luxury for the curious

Discover No.15

Our quintessentially English boutique townhouse hotel is full of surprises and curiosities.