Cash flow pressure during construction doesn't announce itself in advance.
One month you're managing repayments on the block you purchased, and the next you're funding progress payments to the builder while still covering rent or your existing mortgage. Bridging finance structures the funding so those overlapping costs don't drain your reserves during the build.
How Bridging Finance Manages Construction Cash Flow
Bridging finance allows you to borrow against your existing property or the land you've purchased, with interest capitalised during the bridging period so you're not making full loan repayments while construction is underway. The loan amount covers both the land cost and progressive draw-downs to the builder, with settlement deferred until the new property is complete and ready to occupy or refinance.
Consider someone who purchased a vacant block in Ellenbrook East for $280,000 and engaged a builder on a $420,000 contract. They still own a unit in Bull Creek worth $520,000 with $190,000 owing. A bridging loan secured against the Bull Creek property releases equity to fund the land purchase and construction, with interest capitalising monthly. They continue living in the unit without needing to sell until the new home is complete. Once the Ellenbrook East property reaches practical completion, they refinance into a standard home loan and either sell the unit or retain it as an investment, depending on borrowing capacity and the market at that time.
When Construction Delays Extend the Bridging Period
Most bridging loan terms run for 6 to 12 months, but construction timelines don't always align with approvals or site availability. If your builder advises a seven-month build and the actual timeframe stretches to nine or ten months due to wet weather or material delays, the bridging loan term needs to accommodate that extension without triggering penalty rates or forcing an early exit.
Lenders structure bridging finance with some flexibility on the term, but extensions beyond the agreed period usually incur higher interest rates or additional fees. Before committing to a 6 month bridging loan, review the builder's contract for milestone dates and factor in at least a two-month buffer. If the contract shows an optimistic timeline or the builder has a history of delays, a 12 month bridging loan provides more headroom, even if it means slightly higher bridging finance costs over a longer period.
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Capitalised Interest and How It Affects Your Loan Amount
Capitalised interest means the monthly interest charge is added to the outstanding loan balance rather than paid out of pocket. If you're borrowing $500,000 on bridging finance at a variable interest rate and the monthly interest is around $3,000, that amount rolls into the loan each month. Over a 10-month construction period, the total interest capitalised would be roughly $30,000, lifting the final loan amount to $530,000 before you refinance.
This structure protects cash flow during the build but increases the debt you'll carry into the new loan. Your loan to value ratio rises as the capitalised interest accumulates, which can affect your ability to refinance without lenders mortgage insurance if you're close to the 80% LVR threshold. When you apply for bridging finance, the lender calculates the maximum loan amount based on the combined value of the land, construction cost, and estimated capitalised interest. If that total pushes your LVR above 80%, you'll either need a larger deposit, additional security, or you'll wear the LMI cost.
Structuring Security Across Two Properties
When you're holding an existing property and building on a new block, lenders typically take security over both assets during the bridging period. The existing property provides the equity to fund the land purchase and initial construction draw-downs, while the new property under construction becomes additional security as its value increases with each stage of the build.
In the scenario outlined earlier, the Bull Creek unit with $330,000 in equity supports the initial borrowing, and the Ellenbrook East property is added as security once the construction loan is established. The lender's total exposure is assessed against the combined value of both properties, with the loan to value ratio calculated across the pooled security. This cross-collateralisation remains in place until you refinance the completed property and either discharge the Bull Creek unit from the loan or retain it within a broader investment structure.
Bridging Loan Approval and What Lenders Assess
Bridging loan approval depends on your ability to service both the existing debt and the new loan once construction is complete, not just your capacity to hold the loan during the bridging period. Lenders assess your income against the full repayment once you exit the bridging loan and move into a standard variable or fixed loan on the new property.
If you're planning to sell the existing property as part of your exit strategy, the lender will want evidence of a realistic sale price based on recent comparable sales in that suburb. If you're retaining both properties, your income needs to service both loans simultaneously. For buyers in Ellenbrook East who are building while holding another property in Perth's established suburbs, the combined loan repayment can exceed $4,000 per month depending on loan size and interest rates. Your broker will run serviceability scenarios before submitting the bridging finance application to confirm which lenders will approve the structure based on your income and the intended exit plan.
Exit Strategy and Refinancing at Practical Completion
The exit strategy determines how you'll repay or refinance the bridging loan once construction finishes. Most buyers either sell the existing property and use the proceeds to reduce the debt on the new home, or refinance the completed property into a standard home loan and retain the original property as an investment.
If you're selling, the timing matters. Listing the property too early in the construction process leaves you without a place to live if it sells before the new home reaches practical completion. Listing too late extends the bridging period and increases capitalised interest. The usual approach is to list the property roughly two months before the builder's estimated completion date, allowing time for marketing and settlement to align with handover of the new home. If you're refinancing and keeping both properties, the new loan is assessed on the completed value of the Ellenbrook East property, and your borrowing capacity must cover both debts. The construction loan converts to a standard loan once the final inspection is complete and the property is valued at its finished state.
Bridging Finance Costs and What Gets Capitalised
Bridging finance costs include the interest rate, establishment fees, valuation fees, legal costs for both properties, and any ongoing account-keeping fees during the bridging period. Some lenders allow you to capitalise the establishment and valuation fees into the loan amount, while others require those upfront.
The bridging loan interest rate is typically higher than a standard variable rate, reflecting the short term nature of the loan and the additional risk the lender carries during construction. If the standard variable rate sits around a certain level, bridging finance might be priced 1% to 2% above that, depending on your LVR and the lender's appetite for bridging loans. Over a 10-month period, the difference in interest between a standard home loan and a bridging loan might add $4,000 to $6,000 to your total cost, but that's weighed against the benefit of not having to sell your existing property under time pressure or fund dual repayments from your own cash reserves.
Call one of our team or book an appointment at a time that works for you. We'll model your construction timeline, calculate the bridging finance costs with capitalised interest included, and structure the security so you're not caught short if the build runs longer than expected.
Frequently Asked Questions
How does capitalised interest work on a bridging loan during construction?
Capitalised interest means the monthly interest charge is added to your loan balance instead of being paid out of pocket. Over a typical construction period, this protects your cash flow but increases the total debt you'll refinance once the build is complete.
What happens if construction takes longer than the bridging loan term?
If construction extends beyond the agreed bridging period, you'll typically need to request a term extension from the lender. Extensions often incur higher interest rates or additional fees, so it's important to build a buffer into the original loan term.
Can I use bridging finance if I'm keeping my existing property as an investment?
Yes, but your income must support both loan repayments once the bridging period ends. Lenders assess your borrowing capacity based on servicing both properties simultaneously, not just during the construction phase.
What costs are included in bridging finance apart from interest?
Bridging finance costs include establishment fees, valuation fees for both properties, legal costs, and ongoing account-keeping fees. Some lenders allow these to be capitalised into the loan amount, while others require upfront payment.
Do I need to sell my existing property to exit a bridging loan?
Not necessarily. You can exit by selling the existing property and using the proceeds to reduce debt, or by refinancing the completed property into a standard home loan and retaining the original property as an investment, depending on your borrowing capacity.
