How Long Does HDB Renovation Take? Singapore Timeline 2026 (BTO & Resale) 🔍 An HDB renovation in Singapore takes 8–10 weeks of on-site works for a BTO flat and 10–14 weeks for a resale flat in 2026. Add 2–4 weeks for design, quotation and permit approval beforehand. Most homeowners should plan 3 to 4 months from first consultation to move-in, longer if the flat needs full rewiring or major hacking. “How long will this take?” is the second question every homeowner asks us,

Before you hire, ask the right questions. Here’s what to ask your renovation contractor before starting a renovation in Singapore.