What Not to Do When Buying a Renovation Project

How construction loans work when you're buying a property that needs work before you can move in

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Understanding Purchase-Plus-Renovation Financing

When you buy a property in Jindalee that needs work before it's liveable, you're not getting a standard home loan. You're funding both the purchase and the rebuild or major renovation, which means the lender treats it as construction finance from day one.

The lender advances funds in stages as the work progresses, not as a lump sum at settlement. You buy the property with the deposit and initial drawdown, then access the remaining loan amount through a progressive drawdown as your registered builder completes each stage. The bank only releases funds after a progress inspection confirms the work is done, which protects both you and the lender but also means you need to understand the timing and cash flow before you commit.

Consider a buyer purchasing a 1950s weatherboard cottage in Jindalee for $600,000. The property is structurally sound but needs a full internal renovation and extension, quoted at $250,000 by a registered builder under a fixed price building contract. The buyer needs an $850,000 construction loan to cover both the purchase and the build. At settlement, the lender advances the $600,000 purchase price. The remaining $250,000 is held back and released in instalments as the builder reaches each milestone: slab, frame, lock-up, fixing, and practical completion. Until the work is finished, the buyer pays interest only on the amount drawn down, which starts at $600,000 and increases with each progress payment.

Why Lenders Treat Renovation Projects Differently

Lenders view a property that needs significant work as incomplete security. Until the renovation is finished, the property may not be habitable or may have a lower value than the total loan amount, which increases the lender's risk.

Because of this, most lenders require you to use a construction loan structure rather than a standard home loan. You'll need detailed council plans, a fixed price contract with a registered builder, and approval from your local council before the lender will commit. The lender also charges a Progressive Drawing Fee each time they release funds, typically $300 to $500 per drawdown, which adds to your upfront costs. In the Jindalee example above, with five progress payments, the buyer would pay around $1,500 to $2,500 in drawing fees on top of the usual loan establishment costs.

The Two Mistakes That Delay Approval

The first is underestimating how long council approval takes. If you exchange contracts on a property assuming you'll have your development application approved in four weeks, you may find yourself waiting three to four months, particularly if the renovation involves structural changes or additions. Most contracts require you to settle within 60 to 90 days, but if your finance is conditional on council approval and that approval hasn't come through, you're either requesting an extension or risking the deposit.

The second is not having a registered builder locked in before you apply. Lenders won't assess a construction loan application without a fixed price building contract and proof that your builder is licensed and insured. If you're still getting quotes or negotiating scope when you lodge your finance application, the lender will either decline or put the application on hold until you provide the contract. In practice, this means you need to have your builder, your plans, and your council approval lined up before you make an offer on the property, or at least before you go unconditional.

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How the Progress Payment Schedule Works

Your builder submits a claim to the lender when they reach each stage of the build. The lender arranges a progress inspection, usually within three to five business days, and if the work is satisfactory, they release the funds directly to the builder.

You don't control the timing of these drawdowns. The builder does. If they're running behind schedule or waiting on materials, the next payment doesn't happen until the work is done. This can affect your cash flow if you're also paying rent elsewhere or managing holding costs on the property. Interest-only repayment options are standard during the construction period, which keeps your monthly costs lower, but you're still paying interest on every dollar drawn down from the day it's released.

In the Jindalee renovation scenario, if the builder completes the slab and frame stages within the first two months, the loan balance increases from $600,000 to around $750,000, and the buyer's monthly interest charges rise accordingly. By the time the build reaches practical completion, the buyer is paying interest on the full $850,000, at which point the loan typically converts to principal and interest repayments.

What Happens If the Build Runs Over Budget

If your builder encounters unexpected costs during the renovation, the lender won't automatically advance more funds. The loan amount is fixed based on the contract price and the property's expected value at completion.

This is why a fixed price building contract matters. If the builder discovers asbestos, structural issues, or other problems that weren't visible during the quoting stage, they may ask you to cover the additional cost as a variation. You'll need to fund that variation from your own savings, because the lender has already committed to the original loan amount and won't increase it mid-project unless you apply for a formal loan variation, which requires a new valuation and credit assessment. In our experience, variations are common in older Jindalee properties, particularly those built before the 1970s, where wiring, plumbing, and roofing often need more work than expected once the walls are opened up.

How Interest Charges Accumulate During Construction

Because the loan is drawn down progressively, your interest charges increase with each payment. Lenders calculate interest daily on the outstanding balance, so the longer the build takes, the more interest you pay during the construction period.

Some buyers assume they'll only pay interest on the purchase price until the build is complete, but that's not how it works. As soon as the first progress payment is released, your loan balance increases and so does the interest. If the Jindalee renovation takes six months and the buyer is paying interest at current variable rates on an increasing balance from $600,000 to $850,000, the total interest cost during construction could be $20,000 to $25,000, depending on rate movements and drawdown timing. That's on top of the interest you'll pay once the loan converts to principal and interest repayments.

The Difference Between a Renovation Loan and Owner Builder Finance

If you're planning to manage the renovation yourself rather than using a registered builder, you'll need owner builder finance, which is harder to get and comes with higher rates or lower maximum loan amounts.

Most mainstream lenders don't offer owner builder finance at all. The lenders that do will typically cap your borrowing at 80% of the property's value at completion, which means you need a larger deposit and enough cash to cover the build costs as you pay sub-contractors directly. You'll also need to provide a detailed cost breakdown, proof of your building experience, and evidence that you hold the required owner builder permit from your state regulator. For buyers in Jindalee without a building background, this usually isn't viable. A home improvement loan structured as a personal loan or line of credit might be an alternative for smaller renovation projects, but it won't cover a full rebuild or major structural work.

When the Property Isn't Habitable at Settlement

If the property you're buying is condemned, derelict, or otherwise unliveable, the lender may not allow you to use it as security until the work is complete. In that case, you'll need to either fund the purchase with cash and refinance once the build is done, or find a specialist lender willing to fund the purchase and construction as a single transaction.

This is less common in Jindalee, where most older properties are still structurally sound even if they need cosmetic or internal work, but it does come up with properties that have been vacant for years or have significant storm or water damage. If you're looking at a property in this condition, talk to a renovation finance broker before you make an offer, because the lending options are limited and the deposit requirements are higher.

What Lenders Want to See in Your Application

Your construction loan application needs to include the contract of sale, the fixed price building contract, the council-approved plans, proof that your builder is registered and insured, and a valuation that confirms the property's value at completion will support the loan amount.

The lender will also assess your income and expenses to confirm you can service the loan during construction and once it converts to principal and interest repayments. If you're borrowing close to the property's completed value, the lender may require you to demonstrate that you can cover cost overruns or variations without increasing the loan. Serviceability is often tighter for construction loans than for standard home loans, particularly if you're also paying rent or holding costs elsewhere during the build.

Call one of our team or book an appointment at a time that works for you. We'll walk through your numbers, confirm what's possible with the property you're looking at, and make sure the lender you're applying to actually funds purchase-plus-renovation projects in Jindalee before you go unconditional.

Frequently Asked Questions

Can I use a standard home loan to buy a property that needs major renovation?

No, if the property needs significant work before it's liveable, most lenders will require a construction loan structure. This allows them to release funds progressively as the work is completed, rather than advancing the full amount at settlement.

How do progress payments work on a purchase-plus-renovation loan?

The lender advances the purchase price at settlement, then releases the remaining funds in instalments as your registered builder completes each stage. Each drawdown is triggered by a progress inspection, and you pay interest only on the amount drawn down until the build is complete.

What happens if my renovation runs over budget?

The lender won't automatically increase your loan amount. You'll need to fund any cost overruns or variations from your own savings, or apply for a formal loan variation, which requires a new valuation and credit assessment.

Do I need council approval before applying for a construction loan?

Yes, most lenders require council-approved plans and a development application before they'll assess your application. If you apply before approval comes through, the lender will either decline or put the application on hold until you provide the approval.

Can I act as my own builder on a purchase-plus-renovation loan?

Most mainstream lenders don't offer owner builder finance. If you want to manage the build yourself, you'll need to find a specialist lender, and you'll typically face a lower maximum loan amount and higher deposit requirements.


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Book a chat with a at G&T Finance today.