The article's text could not be retrieved. The content supplied consists solely of a Google cookie-consent and sign-in page, along with a list of language options, rather than the substance of the BBC report itself. As a result, there are no details available about the reported redevelopment of sport and leisure facilities in Sheffield.

Based on the headline alone, the story appears to concern plans to redevelop sport and leisure facilities in the city of Sheffield. However, no information about the scale, location, cost, timing or bodies involved in the scheme is present in the provided material, so a full and accurate summary cannot be given. To summarise the article properly, the actual text from the BBC page would be needed.