Offers and Promotions Extra Space Singapore Year-End Lock-In: 30% Off Self Storage When You Prepay 3 to 12 Months, Until 30 Nov 2026 Need space for the year-end clear-out? Extra Space Singapore is offering 30% off self storage for new customers who prepay a fixed term of 3 to 12 months, with no deposit during the prepaid term. Nov 6, 2026