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About
Plan your property purchase with confidence. Mortgage Mate is a straightforward UK mortgage calculator that helps you understand the true cost of buying a home — from stamp duty to monthly payments to long-term equity.
Features:
UK Stamp Duty (SDLT) calculator with first-time buyer rates
Monthly payment breakdown with overpayment modelling
Equity build-up and interest vs principal charts
Rate sensitivity heatmaps — see how rate changes affect you
Property price comparison matrix across price bands
Buy vs Rent+Save comparison to weigh your options
Full yearly amortization schedule
Maintenance, insurance, and service charge tracking
Works entirely offline — no data leaves your device
All calculations are illustrative estimates. Always consult a qualified, FCA-regulated mortgage adviser before making property decisions.
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What's New in Mortgage Mate
1.0.1
March 20, 2026
Bug fixes and updated disclaimer for stamp duty