A US business publication picked Georgetown as a great place for foreigners to retire in. (Visit link HERE). But I am not sure if the publication considered disabled access as one of the criteria. Personally I think some the older retired foreigners may need some form of disabled access and that is still lacking in Penang.
A good example is the Padang Kota Lama food court. It is located at Penang Esplanade, a famous tourist spot and next to the Cenotaph (visit link HERE), an important landmark of Penang. (For more information about Penang Esplanade please visit link HERE).