The short answer

Choose the route that fits your income needs, payment capacity and holding period. Compare the specific commitment, including what happens if the expected timeline changes.

Define the job before the product

Begin with the purpose of the purchase: rental income, a future home, long-term ownership or an eventual resale. Then state when that purpose needs to begin. An investment intended to fund near-term expenses has a different job from a home you plan to occupy later.

Off-plan and completed properties are routes to an objective. Neither category is automatically superior. The unit, building, payment terms and your ability to hold through uncertainty matter more than the label.

Map every cash movement

For an off-plan purchase, write down the payment schedule, expected handover timing and the costs needed to take possession. Do not place rental income into a cash-flow model before the property can actually be let.

For a ready property, examine purchase completion, any existing tenancy, condition, repairs and the time required to occupy or lease it. A completed building does not mean immediate, uninterrupted income.

A payment plan changes when cash is required. It does not remove the need to fund the full commitment.

Use different evidence for each route

A ready-property review can include a physical inspection, actual service-charge history, building management and comparable transactions. Check the condition and compare the exact unit type rather than a broad community average.

An off-plan review needs the contract, registration and payment arrangements, developer delivery evidence, specifications and the surrounding supply pipeline. Verify these through the relevant official channels and qualified advisers; a presentation or brochure is not the full transaction file.

Test the exit before entering

Who might buy or rent this property later? What competing stock could be available at that point? Which contractual, financing or transaction constraints could affect your ability to resell?

Ask the same questions for both options. Use a base case that you can fund and a downside case that you can tolerate. Treat any appreciation assumption as a scenario, not a certainty.

Make the trade-off visible

  • Income: when can rent begin, and what has to happen first?
  • Capital: when is each payment due, including fees and finance?
  • Evidence: what can be inspected now, and what remains a future commitment?
  • Flexibility: what happens if your occupation or sale date changes?
  • Downside: can you absorb delays, lower rent or higher running costs?

Put both properties into the same worksheet. If the conclusion changes when you move a date or reduce rent, that is a useful discovery before committing.

Compare two options
Scope and research approach

Numerical examples are illustrative. Check project documents and current official guidance for your transaction.

How the research approach works → Discuss the assumptions in your brief →