A four-month makeover is underway at Thornton Heath Leisure Centre.
During the refurbishment the sports hall will be re-done, with new showers, flooring, redecoration and brighter lighting installed.
The gym area will also get a makeover, with new equipment and a "fresher, more attractive environment" for working out.
Councillor Oliver Lewis, cabinet member for culture, leisure and sport, said: “We know how highly our residents value our leisure centres, and we’re pleased to announce this latest investment which will significantly improve the facilities.
"Health and wellbeing are a big part of our ambition for Croydon to be a great place to live, and I hope that with these improvements even more residents will take advantage of these facilities.”
Spin-enthusiasts will be delighted to see a new dedicated studio installed, and the old bikes replaced with the latest Technogym cycles.
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