Premier Inn has topped a survey of hotel chains for cleanliness, comfort and the state of the bedroom and bathroom.
The survey of 4,000 Which? members found that Britannia was the worst performing chain, with a score of just 44%.
Members described Britannia as "very basic" and "in need of updating".
Meanwhile, Premier Inn was recognised for offering a "first class experience" at "very competitive prices".
The survey found that other high performing chains were Best Western, Holiday Inn, Ibis and Travelodge, while close to the bottom was Ramada with 55% and Copthorne with a 60% score.
According to the report, the Ramada chain of 30 hotels was second from last with a score of 55 and the pricey Copthorne where the average cost of a room is £113 was third with 60.
The average price that members to said that they had paid increased from £68 in 2015 to £80.
Amber Dalton, acting editor of Which? Travel, said: "When it comes to UK hotel chains, you don't necessarily get what you pay for. Which? members told us that the top-rated chain, Premier Inn, cost them on average £10 less than the one with the lowest customer score.
"The hotels at the bottom of the rankings need to up their game to bring standards in line with those at the top, which offer a better service, often at modest prices."
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