Offers and Promotions Extra Space Singapore Harvest Your Savings: 30% Off Wine Storage Units at Seven Outlets, Until 30 Nov 2026 Wine collectors, take note: Extra Space Singapore is offering 30% off wine storage for new customers who prepay 3 to 12 months, at seven outlets including Boon Keng, Tai Seng and Toa Payoh. Nov 6, 2026