Staged payments and upside on a new launch, versus certainty and instant move-in on a resale
Every condo purchase in Thailand falls into one of two categories: off-plan (buying from a floor plan before or during construction) or resale (an existing, completed unit changing hands). Each has a genuinely different risk, payment, and timeline profile — neither is universally the smarter buy.
Off-plan purchases spread payment across construction milestones rather than one lump sum: a reservation deposit, then installments tied to construction progress (foundation, structure, finishing), with the balance due at transfer/handover. This spreads out cash flow but means you're committing money before the building — sometimes before the land — is finished.
Resale generally carries less risk since the building already exists and its management is verifiable. Off-plan can still be reasonably safe with a reputable developer that already owns its land and has a solid completion track record — but it always carries some construction and timeline risk that resale doesn't.
Often, but not always. Early-phase off-plan pricing is typically lower to attract initial buyers, but by the time a project completes, its resale price can exceed what a comparable existing building nearby commands — or fall short of it, if the market has moved or the building underdelivers. Price alone shouldn't be the deciding factor.
Confirm the developer already owns the land outright, review its track record completing prior projects on time, read the late-handover compensation clause, and understand exactly what happens to your deposits if the project is delayed or cancelled. A property lawyer's review of the SPA is worth the cost on a purchase this size.
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The core risk of buying off-plan is that the building doesn't get finished on time, or at all — developer delays, financing problems, or in rare cases project cancellation. Reduce this risk by checking the developer's track record on previous projects, whether the land is already owned outright (not just optioned), and what the SPA says about compensation for late handover.
A resale unit is complete, inspectable, and often move-in ready — you can view the actual finish quality, check the building's real-world management, and talk to current owners about how it's run. The trade-off is a higher entry price than a comparable pre-launch unit, and you're taking on the unit's actual wear rather than a factory-fresh finish.
Off-plan spreads your cash outlay over the construction period, which can suit buyers financing from savings rather than a mortgage. Resale typically requires the full amount (or mortgage approval) closer to a single transfer date, on a much shorter timeline — often weeks rather than the year or more a new launch can take to complete.
A track record of completed, well-managed buildings tends to hold resale value more predictably than an unproven new launch. Off-plan can offer real upside if the area appreciates before completion, but that upside isn't guaranteed — and an oversupplied new-launch market can leave early buyers competing with the developer's own remaining inventory at resale.