Development Finance Calculator

Model your next development project with our free calculator. Estimate your maximum borrowing, total finance costs, and projected returns in real time.

Free Calculator

Development Finance Calculator

Estimate your development finance costs, maximum borrowing, and potential returns. Adjust the inputs below to model your project.

Project Details
£
£
£

Loan Parameters

70%
60%
0.75%
18 months
Estimated Results
Max Facility (LTC basis)£560,000
Max Facility (GDV basis)£720,000
Applicable Facility£560,000
Total Interest Cost£75,600
Total Development Cost£875,600
Equity Required£240,000
Estimated Profit£324,400
Return on Equity (ROI)135.17%
Cost Breakdown vs GDV
Total Cost vs GDV

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Assumptions & Disclaimers: This calculator provides indicative estimates only and should not be relied upon as a formal offer or financial advice. Actual lending terms will vary based on the lender, project specifics, borrower experience, and prevailing market conditions.

Interest is calculated on a simple rolled-up basis across the full facility for the entire loan term. Actual interest may be charged on a drawn-down basis, which would typically result in lower total interest costs. Additional fees such as arrangement fees, valuation fees, legal costs, and exit fees are not included in these calculations. Professional fees (architect, planning, building regulations) and contingency costs are also excluded. Always seek independent financial advice before proceeding with any development finance arrangement.

Calculator FAQs

Common questions about using the development finance calculator and interpreting your results.

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