To fill that literature gap, we show that surface co-modification of TiO2 with graphene and copper oxide(s) (CuxO) is a promising way to photocatalytically remove benzene and nitrogen oxides (NOx) from the gasphase using a white LED bulb typically used in households. In particular, we highlight that 1 mol% copper and 1 wt% graphene gave TiO2 a stable visible-light induced photocatalytic activity, three times higher than that of unmodified titania, and of a carbon-modified commercial anatase too. Copper oxide(s) behaves as visiblelight absorber, while graphene enhances the space charge separation of the photogenerated exciton in that hybrid TiO2-based composite. Our material shows therefore potential as an additive to building materials for interior use to improve IAQ.