The council has a duty to preserve and enhance buildings and areas of special historical or architectural quality. There are currently 23 conservation areas and more than 350 listed buildings in the city. 
 
Special planning controls exist in these areas and for these buildings. Guidance and advice is available by contacting: 
 
Telephone: (0116) 252 7296 or (0116) 252 7217
Minicom: (0116) 252 7222