The best spa hotels in the UK and Ireland take 'OOO' seriously

From serious thermal circuits to pools you don’t have to share with screaming children, these are the spa hotels worth booking now – all tested, vetted, and loved by GQ
Image may contain Architecture Building Hotel Resort Pool Water Swimming Pool Indoors Interior Design and Housing

How we chose the best spa hotels

Every hotel in this guide has been personally reviewed by a GQ writer or editor and tested against a number of factors we deem imperative to be crowned one of the best spa hotels in the UK.

Putting a facility through its paces meant testing treatments, spending a prune-worthy amount of time in any pools and thermal areas, eating in the restaurants, and sleeping in the rooms. We paid close attention to how the spa functions, as well: who else is allowed to use it, how busy it gets, how well it’s managed, and whether the atmosphere holds throughout the day. And, just as importantly, we considered whether the experience justified the cost (because, let’s be real, going broke for a sub-par massage is no-one’s idea of relaxing).

If it’s on this list, someone from our team has been there, used that, and would go back in an instant.