For a custom urban outdoor furniture order for a hotel rooftop bar, the lead time usually starts after final design approval, not from the first enquiry. In my experience, you should plan for about 8–12 weeks for a standard custom order. If the project includes more complex pieces—curved sectional sofas, powder-coated aluminum frames, all-weather rope, teak, stone or HPL tabletops, custom cushions, fire-rated foam, or branded finishes—it can easily run 12–16 weeks. If materials are imported or production hits peak hospitality season, 16–20 weeks is not unusual.
Design approvals and samples can add time. If you need a prototype, finish sample, or cushion mock-up, add roughly 1–3 weeks before production. Shop drawings and CAD approvals matter, especially for wind loads, drain holes, and rooftop anchoring. A rooftop bar often needs furniture that can handle high wind, UV, rain, and salt air, so the engineering review can take a little longer than a ground-level patio.
Shipping and installation also matter. Domestic delivery might add 1–2 weeks; international shipping can add 4–8 weeks by sea, plus customs. Installation usually takes a few days, but for hotel operations, scheduling around other trades can add a week or two. If you need it faster, you can sometimes compress the timeline by choosing in-stock finishes, simplifying the design, or paying for expedited production or air freight. Rush orders may cut 2–4 weeks, but not always, and they usually cost more.
Bottom line: for a hotel rooftop bar, I’d give yourself at least 4–6 months from concept to installation if you want a smooth, custom result. If the opening date is fixed, confirm lead time in writing, approve drawings early, pay the deposit promptly, and ask the manufacturer to include production, shipping, and installation milestones in the schedule.