🔍 Punggol BTO renovation costs run $38,000–$68,000 for a 4-room flat in 2026, in line with national BTO benchmarks. Punggol's waterway-connected estate character, younger homeowner demographic, and strong natural light in waterway-facing blocks make it particularly well-suited to Japandi and Cream Style interiors. Keys for 2021–2023 launches are being issued progressively through 2025–2027. Punggol BTO Interior Design Singapore: What Homeowners Need to Know (2026) Punggol