Dual coated glass sheets comprise a photocatalytically active self
cleaning coating on one surface and heat reflecting coating on the second
surface selected so that its single surface reflectivity is either at
least three times or less than one third that of the self cleaning
coating. The selection of the heat reflecting coating provides a sheet
having an improved appearance. Such dual coated sheets combine self
cleaning properties with solar control or low emissivity properties and
are useful as building glasses.