Finding affordable activities to do as a friend group can be a bit tricky, however, a spa retreat is never a bad idea.

Best of all, it doesn't need to break the bank. Which? Travel’s undercover team of inspectors has visited some of the UK’s best spa hotels. Our secret inspectors stay at hundreds of UK hotels to bring ...

Below, see our reviews of the top spa hotels in the UK, spanning the country from North to South (though if you're specifically targeting the lakes, see our guide to the best spa hotels in the ...

From transformative treatments and great facilities, to cosseting bedrooms for a supremely good night's sleep, these spa hotels have it all All hotels have been independently reviewed and selected.