Singapore does not need more “Grade A” malls. Instead, we need “Grade A” ideas to strategically adapt “Grade B” spaces like strata-titled malls, says SUTD's Calvin Chua. SINGAPORE: Singapore’s ageing strata-titled malls usually make the news for familiar reasons – stalled lifts and broken escalators, sparse footfall and perhaps a few questionable establishments – painting a dismal picture of a property in decline. Attention also falls on these malls, once grand dames of Singapore’s retail scene,