Buying Off The Plan in South West Sydney, NSW: What Lenders Check
An off-the-plan purchase can get you into a new building at today's price, with a deposit held in trust while the rest of the suburb catches up. For buyers in South West Sydney, NSW, that window matters, because new apartment stock in Edmondson Park, Liverpool and the wider Canterbury-Bankstown corridor tends to move fast once a project launches. Whether you're stretching to your first purchase, upgrading with equity behind you, or buying an investment you'll never live in, the structure of an off-the-plan contract is the same, and so are the risks lenders are watching for.
The key difference from a standard purchase is timing. You exchange on a contract today, put down a deposit, and wait, often twelve to twenty-four months, for the building to complete. Your formal home loan approval happens close to completion, not at exchange. That gap is where most of the complexity lives, and it's why the lender choice and the loan structure you set up before you sign matter more than most buyers expect.
Our team helps buyers across South West Sydney, NSW plan for that gap and structure their finance correctly from day one, comparing across 40+ lenders. The home loan structure you choose matters as much as the rate does, and getting it right before exchange protects you at completion.
Key takeaways
- Formal loan approval happens at completion, not at contract exchange.
- If the lender's valuation comes in below the contract price, you cover the gap.
- A 10% deposit is typically held in trust until the building completes.
Can you get a home loan for an off-the-plan purchase in South West Sydney?
Yes, lenders finance off-the-plan purchases, but the approval process works differently from a standard resale. You don't receive formal unconditional approval at exchange. What you usually get is an indication of serviceability and a pre-approval that lapses, often within three to six months, before the building is even close to completion. The actual loan is assessed and approved close to the settlement date, once the property exists and can be valued.
"We regularly see buyers who signed an off-the-plan contract two years ago with a pre-approval that expired in six months. They assume the approval carries over. It doesn't, and by the time completion comes around, their income, their debts or the lending environment has shifted. The time to plan for completion finance is the day you sign, not when the developer calls."
Dimitri Giannopoulos · Director, Infinity Mortgage Brokers · Chat to Dimitri →
How does buying off the plan actually work?
You exchange contracts and pay a deposit, typically 10% of the purchase price, held in the developer's trust account until completion. From that point you wait, sometimes six months, sometimes two years or more, while the building is constructed. During that period your pre-approval lapses and the lending environment can move in either direction.
At practical completion, the developer notifies you that settlement is approaching, usually with twenty-one to thirty days' notice. Your lender then orders a valuation of the finished property. If the valuation comes in at or above the contract price, the loan proceeds normally. If it comes in below, you're required to cover the shortfall from your own funds, or renegotiate with the developer, or in some cases walk away under the contract's sunset clause.
The sunset clause
Every off-the-plan contract has a sunset date, the deadline by which the building must be completed. If the developer hasn't completed by that date, either party may be entitled to rescind. It's worth understanding the specific terms before you sign, because sunset clauses vary, and a developer in a rising market might have an incentive to use one.
How your deposit is held
The 10% deposit is held in a statutory trust account and does not go to the developer until settlement. It earns interest in some states, though the treatment varies. You don't pay loan repayments during the build, because the loan doesn't exist yet. That said, any existing mortgage or rent commitment runs through the build period and lenders account for it when they assess your capacity at completion.
What does it cost to buy off the plan in South West Sydney, NSW?
The upfront cost is straightforward: 10% at exchange, which is between $53,000 and $97,500 on a unit contract priced between $530,000 and $975,000, the approximate range for Liverpool and Bass Hill units in the current market. That deposit sits in trust until settlement, so you're not paying interest on it.
At settlement you pay the balance of the purchase price, stamp duty, and conveyancing costs. NSW transfer duty on an established home at these price points would fall above the full exemption threshold for most buyers, but off-the-plan contracts for new dwellings can attract a duty concession where the property is purchased for owner-occupation, so the exact duty payable depends on the purchase price and your circumstances. The Revenue NSW website sets out the current duty tables and any concession that applies.
The other cost to plan for is the valuation shortfall. There's no published frequency data for how often completions come in low, but it does happen in a softening market, and the buyer must cover the gap from cash savings rather than from the loan.
Source: CoreLogic (via YIP, mid-2026) and Revenue NSW.
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How long does it take to complete an off-the-plan purchase?
The build period varies by project type and scale. A small boutique development of twenty or thirty apartments might complete in twelve to eighteen months. A large tower or a multi-stage estate like the Ed.Square town centre development in Edmondson Park can run to two years or beyond. The contract will specify an expected completion date and a sunset date, and the gap between them is your risk window.
Settlement itself, once the developer declares practical completion, typically runs on twenty-one to thirty days' notice. That's a short window to arrange finance for a purchase you may have been waiting years for, which is why having your broker in the picture before completion notice arrives matters. Lenders need time to order a valuation, assess your current position, and issue formal approval.
What government schemes can buyers use when purchasing off the plan?
Several schemes apply to off-the-plan purchases, and some work better here than for established homes.
The schemes worth knowing:
- › First Home Owner Grant ($10,000): applies to new homes only, which includes off-the-plan apartments. Completed new home up to $600,000; house-and-land up to $750,000. Not available for established properties, so this scheme actively favours off-the-plan buyers.
- › First Home Guarantee (5% deposit): available for new and established homes, with a price cap of $1,500,000 across all approved South West Sydney suburbs. No LMI on a 5% deposit. No income test applies from October 2025.
- › Family Home Guarantee (2% deposit): single parents and single legal guardians, 2% deposit, no LMI. Price cap $1,500,000. First home buyer status is not required.
- › NSW transfer duty concession: up to $800,000 fully exempt for first home buyers; $800,000 to $1,000,000 receives a concessional rate. Most new South West Sydney apartments sit within or close to these bands, making this one of the more useful concessions in the state.
- › Help to Buy (federal shared equity): up to 40% government equity for new homes. Income cap $103,000 single or $165,000 joint from 1 July 2026; price cap $1,300,000 for Sydney. Cannot be combined with a state shared-equity scheme, though NSW has no open state scheme as of September 2026.
One important note for rentvesting buyers: purchasing an investment property off the plan before you've owned a home removes your eligibility for the FHOG and the First Home Guarantee permanently. It's worth understanding that before you sign.
Source: Revenue NSW and Housing Australia.
When does buying off the plan not make sense?
An off-the-plan contract makes sense when you have confidence in the project, a stable income that's unlikely to change materially over the build period, and a cash buffer beyond your deposit to cover a valuation shortfall if one arises. When any of those three conditions are shaky, the risk profile shifts.
If your income is variable, contract-based, or likely to change, a lender's assessment at completion could look materially different from the one at exchange. A promotion that looks positive can also complicate things if it moves you into a different income assessment category. Likewise, if you're planning to take parental leave, change employers, or go from PAYG employment to self-employment during the build period, the completion assessment may not reflect the position you're in when you sign.
For buyers with a tight deposit, the valuation shortfall risk is the one worth stress-testing carefully. If the market softens over a two-year build and the valuation comes in 5% below the contract price on a $900,000 apartment, you need to find an additional $45,000 from savings rather than from the loan. Most buyers plan their deposit and nothing beyond it. We'd usually suggest having a buffer that could absorb a shortfall before signing.
"Where a buyer's income is stable and the project has a credible developer behind it, off-the-plan can be the right entry point into a suburb that would otherwise be out of reach. Where the income is variable or the buyer has no real buffer beyond the deposit, I'd rather see them in an established property with a clear settlement date. The certainty of a dated valuation is worth something."
Dimitri Giannopoulos · Director, Infinity Mortgage Brokers · Chat to Dimitri →
How to buy off the plan in South West Sydney, NSW, step by step
The process differs from a standard purchase because finance, legal review, and the developer's timeline all run in parallel rather than in sequence.
Step 1: Talk to us
We start by reviewing your current position and modelling how your income and borrowing capacity are likely to look at completion, not just today.
Step 2: Review the contract and confirm your deposit plan
Your solicitor or conveyancer reviews the contract terms, sunset clause, and any special conditions. We confirm how the 10% deposit will be funded and whether any schemes apply before you exchange.
Step 3: Monitor your position through the build and prepare for completion finance
Pre-approvals lapse during a long build. We keep track of your position and prepare your finance application as completion approaches, so you're ready when the twenty-one-day notice arrives.
Step 4: Settle with a confirmed valuation and approved loan
We manage the formal approval once the lender's valuation is complete, handle any valuation gap if one arises, and support you through to settlement.
What goes wrong when people buy off the plan?
The common approval challenges:
- › Valuation shortfall at completion: the lender values the finished property below the contract price. The buyer must cover the difference from savings, renegotiate with the developer, or in some cases rescind. No published frequency data exists, but it occurs in softening markets and is the risk most buyers underestimate.
- › Income or circumstance change during the build: a lender's assessment at completion uses your position at that time, not at exchange. Parental leave, a change of employer, or moving from PAYG to self-employment can all reduce what a lender will approve.
- › High-density postcode restrictions: some lenders cap LVR or restrict lending in postcodes with high apartment supply. A loan that worked at 80% LVR at exchange may only be approved at 70% by the time the building is complete if the lender has tightened its postcode policy. The lender on your panel matters here.
- › First home buyer scheme eligibility forfeited: buying an investment property off the plan before owning a home removes FHOG and First Home Guarantee eligibility permanently. It's the one decision that can't be undone.
Frequently Asked Questions
Can I use the First Home Owner Grant when buying off the plan?
Yes, the NSW First Home Owner Grant of $10,000 applies to off-the-plan purchases where the completed dwelling price is $600,000 or below, or $750,000 for a house-and-land contract. The grant is paid at or after settlement.
What happens if the lender's valuation comes in lower than the contract price?
You need to cover the shortfall from your own savings, renegotiate with the developer, or in some cases rescind the contract. The lender will not increase the loan to bridge a valuation gap.
Does my pre-approval cover the whole build period?
No. Pre-approvals typically lapse within three to six months. Your formal unconditional approval is issued close to completion, based on your income and the lender's valuation of the finished property at that time.
Is stamp duty cheaper for an off-the-plan purchase?
For first home buyers in NSW, transfer duty is fully exempt up to $800,000 and concessional up to $1,000,000. New apartments in South West Sydney frequently fall within or close to these bands, making the concession more accessible here than for established homes at higher price points.
Should I use the First Home Guarantee or buy off the plan as an investor first?
Buying as an investor first permanently removes your First Home Guarantee and FHOG eligibility. If you've not owned a home before, using the First Home Guarantee on this purchase is usually the stronger move, depending on your circumstances.
Is a mortgage broker or going direct to a lender better for an off-the-plan purchase?
A mortgage broker, every time. Some lenders apply postcode restrictions or tighter LVR caps on high-density apartments, and those policies differ between lenders. Comparing across the panel before you exchange is the only way to know which lenders will actually settle your loan at completion.
Your Next Steps
Off-the-plan finance is one area where planning two years ahead of your settlement date genuinely changes the outcome. The right lender for your purchase depends on the project's postcode, the apartment's size and density, and how your income is likely to look at completion, all of which are worth a conversation before you sign anything.
If an off-the-plan purchase is on your horizon, the next step is simple. Get in touch with the Infinity Mortgage Brokers team or call 0426 955 190. We'll work through where you stand across our 40+ lender panel.
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External Resources
Infinity Mortgage Brokers, Bankstown and South West Sydney. This website is general information only and does not constitute financial advice. Please consider your own circumstances and seek professional advice before making any financial decisions.
