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Mortgage & Development Feasibility Calculator



Net Finance Amount Required: ($)

Mortgage Loan Term: (Months)

Land Cost or Englobo Value: ($)

Stamp Duty & Statutory Costs: ($)

Developers Actual Cash Contribution: ($)

Total Developmebt Costs ($)

Gross Realisation Value (GRV): ($)

Interest calculation per:

Interest Rate: (%)

Progress Payments (when and how much):

Month 1: ($)

Capital Reductions (when and how much):

Gross Facility and Exit Fees:

Facility Fee:

Exit Fee:

Exit Fees: Based on:

Other Costs: [+]
GST Claim Back: [+]
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About this Calculator
How to use the Calculator
Interest Rates and Costs
Stamp Duty Calculator
Bridging Loan Calculator

Development Finance RatesFrom 5% PA

How to use our Development Finance Calculator

Simply complete the input boxes then click on calculate to view instant results. You can then go back and edit the initial information that you provided to compare different options and how they affect the profitability of the project.

Start by filling in the boxes to provide the quoting system with the following information:

Total Net Loan Amount Required - This is the total amount that you require to be released from the facility and includes the day one release to help with purchasing the site, plus all subsequent releases. Do not add in anything for interest charges, the calculator will do that.

Loan Term Required - In months, please enter the loan term required.

Land Cost or Residual Value - If the development site is being purchased please enter the purchase price. If it is already owned then please enter the residual value. That way you can determine if it is more profitable to develop the site yourself or simply sell it.

Stamp Duty - Please enter the amount of stamp duty that needs to be paid or taken into consideration. If you need to calculate the stamp duty then please click on the link to our stamp duty calculator.

Amount Available From Customer - How much cash do you intend to put into the development?

Total Build Cost - This box requires the total cost of the build and should include a total of all the project costs other than the cost of the land, stamp duty and finance costs. If you wish to break this down there is another section (other costs) where you can itemise different costs.

GRV Amount - What is the expected Gross Development Value once completed, or if planning to sell before completion, what is the value at the point of intended sale.

Initial Release (Prime Funding) - The development finance facility starts with the initial release. What funds are required for the initial loan release?

Interest calculated per annum or per month - By default this is set to per annum, but can be changed to monthly.

Interest Rate - By default set to 7% to provide interest calculations based on 7% per annum. This can be changed to the required interest rate or to provide comparisons.

Releases (when and how much) - Use this section to enter how much and when funds will be required. Interest is only charged on funds that have been released. Experiment by making changes to this section to see how changing the amounts and timings of releases affect the interest charges and profitability of the project.


The development finance quotation calculator will calculate the fees associated with development finance. This depends on the lender and if the Finance is from Tier 1, 2 or 3. 

The main fees to consider are the facility fee, which is normally a percentage of the loan facility, and the exit fee, which, if charged, is either a percentage of the gross loan facility or the Gross Realisation Value (GRV).

Other standard fees are Valuation, Legal and Quantity Surveyor fees. These again vary from one lender to the next, so our calculator provides an estimate of these.

Facility Fee - This is set at 1% by default, but can be changed so that you can compare options.

Exit Fee - By default this is set at 1% of the gross loan facility by default, but can be changed to any percentage of the gross loan facility or the GRV. Please experiment to see how the different options compare, as can be quite significant!

Exit Fee - By default this is set at 1% of the gross loan facility by default, but can be changed to any percentage of the gross loan facility or the GRV. Please experiment to see how the different options compare, as can be quite significant!

Other costs

To determine the development profit and return on investment, take into consideration all associated hard and soft costs. Populate here any other known associated costs are not included in the 'Total Build Cost' numbers.

GST Claim Back

Also take into consideration if the Margin or other Tax Scheme Applies.


Once data is populated the development finance quotation calculator will display the Indicative information:

Monthly Interest Charges - the number of interest bearing months will be displayed as a total of the gross mortgage loan amount at the end of each month. Take into consideration the Mortgage Establishment facility fee, loan releases for the amounts and months selected, and interest charges.

Net Loan Amount - Net Mortgage Facility amount requested which includes the First Draw down and subsequent progress payments inline with the Quantity Surveyer

The Facility Fee

Interest Charges - Total Interest charged over the Mortgage Loan Term

Gross Loan Amount - Total of Net Loan Amount + Facility Fee + Interest Charges

Exit Fee

Loan Amount - Gross Loan Amount + Exit Fee

Valuation Costs - Estimated

Quantity Surveyer Costs - Estimated

Lender Legal and Documentation Costs - Estimated

Other Misc Costs - Total of other costs from information provided

Development mortgage finance facility calculator also provides other useful information to understand the profitability of the property development project, both with and without the cost of finance being included.

Interest Rates and Costs

We are specialist Development financiers who leverage the best of breed lenders. Interest actual rates and fee structure vary depending on the type of development, location, The amount of equity from the borrowers, Overall development experience and Track Record.

The Best Deals

From 5% Per Annum

1% Facility Fee

From 5% Per Annum

Funding Up to 65 % GRV

From 6% Per Annum

1% Facility Fee

No Exit Fee

Funding Up to 100 % of Cost

(If LVR no more than 70% GRV) 100 % Of Total Development Costs

From 9% Per Annum

1% Facility Fee

1% Exit Fee